Diff of the two buildlogs:

--
--- b1/build.log	2025-03-10 11:10:38.185878650 +0000
+++ b2/build.log	2025-03-10 11:11:55.046428778 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Mar  9 23:07:48 -12 2025
-I: pbuilder-time-stamp: 1741604868
+I: Current time: Mon Apr 13 07:33:35 +14 2026
+I: pbuilder-time-stamp: 1776015215
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -25,54 +25,86 @@
 dpkg-source: info: applying 0001-Start-showing-inlined-functions-in-stack-trace.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/47229/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1700/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos16-i386.
+I: Changing host+domainname to test build reproducibility
+I: Adding a custom variable just for the fun of it...
+I: Changing /bin/sh to bash
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 Apr 12 17:33 /bin/sh -> /bin/bash
+I: Setting pbuilder2's login shell to /bin/bash
+I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other
+I: user script /srv/workspace/pbuilder/1700/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1700/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build/reproducible-path'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='i386'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=11 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='i386'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="2" [2]="37" [3]="1" [4]="release" [5]="i686-pc-linux-gnu")
+  BASH_VERSION='5.2.37(1)-release'
+  BUILDDIR=/build/reproducible-path
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=i386
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=21 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='53161a6950b947d491f1f53f665dd1c1'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  LD_LIBRARY_PATH='/usr/lib/libeatmydata'
-  LD_PRELOAD='libeatmydata.so'
-  MAIL='/var/mail/root'
-  OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
-  PBCURRENTCOMMANDLINEOPERATION='build'
-  PBUILDER_OPERATION='build'
-  PBUILDER_PKGDATADIR='/usr/share/pbuilder'
-  PBUILDER_PKGLIBDIR='/usr/lib/pbuilder'
-  PBUILDER_SYSCONFDIR='/etc'
-  PPID='47229'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=f419531d5847405a9944faf2eb0e7e1a
+  LANG=C
+  LANGUAGE=de_CH:de
+  LC_ALL=C
+  LD_LIBRARY_PATH=/usr/lib/libeatmydata
+  LD_PRELOAD=libeatmydata.so
+  MACHTYPE=i686-pc-linux-gnu
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnu
+  PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path
+  PBCURRENTCOMMANDLINEOPERATION=build
+  PBUILDER_OPERATION=build
+  PBUILDER_PKGDATADIR=/usr/share/pbuilder
+  PBUILDER_PKGLIBDIR=/usr/lib/pbuilder
+  PBUILDER_SYSCONFDIR=/etc
+  PIPESTATUS=([0]="0")
+  POSIXLY_CORRECT=y
+  PPID=1700
   PS4='+ '
-  PWD='/'
-  SHELL='/bin/bash'
-  SHLVL='2'
-  SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.XadYO3Lw/pbuilderrc_wpMj --distribution trixie --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.XadYO3Lw/b1 --logfile b1/build.log golang-github-bugsnag-bugsnag-go_2.5.1-1.dsc'
-  SUDO_GID='112'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://46.16.76.132:3128'
+  PWD=/
+  SHELL=/bin/bash
+  SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix
+  SHLVL=3
+  SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.XadYO3Lw/pbuilderrc_BFd4 --distribution trixie --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.XadYO3Lw/b2 --logfile b2/build.log golang-github-bugsnag-bugsnag-go_2.5.1-1.dsc'
+  SUDO_GID=112
+  SUDO_UID=107
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://213.165.73.152:3128
 I: uname -a
-  Linux ionos12-i386 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/47229/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1700/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -177,7 +209,7 @@
 Get: 53 http://deb.debian.org/debian trixie/main i386 golang-github-google-uuid-dev all 1.6.0-1 [20.6 kB]
 Get: 54 http://deb.debian.org/debian trixie/main i386 golang-github-kardianos-osext-dev all 0.0~git20190222.2bc1f35-3 [7380 B]
 Get: 55 http://deb.debian.org/debian trixie/main i386 golang-github-pkg-errors-dev all 0.9.1-3 [12.9 kB]
-Fetched 77.9 MB in 2s (48.8 MB/s)
+Fetched 77.9 MB in 1s (91.9 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package sensible-utils.
 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 19787 files and directories currently installed.)
@@ -412,7 +444,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S  > ../golang-github-bugsnag-bugsnag-go_2.5.1-1_source.changes
+I: user script /srv/workspace/pbuilder/1700/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/1700/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S  > ../golang-github-bugsnag-bugsnag-go_2.5.1-1_source.changes
 dpkg-buildpackage: info: source package golang-github-bugsnag-bugsnag-go
 dpkg-buildpackage: info: source version 2.5.1-1
 dpkg-buildpackage: info: source distribution unstable
@@ -430,243 +466,243 @@
    dh_autoreconf -O--builddirectory=_build -O--buildsystem=golang
    dh_auto_configure -O--builddirectory=_build -O--buildsystem=golang
    dh_auto_build -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go install -trimpath -v -p 11 github.com/bugsnag/bugsnag-go github.com/bugsnag/bugsnag-go/device github.com/bugsnag/bugsnag-go/errors github.com/bugsnag/bugsnag-go/headers github.com/bugsnag/bugsnag-go/sessions github.com/bugsnag/bugsnag-go/testutil github.com/bugsnag/bugsnag-go/v2 github.com/bugsnag/bugsnag-go/v2/device github.com/bugsnag/bugsnag-go/v2/errors github.com/bugsnag/bugsnag-go/v2/headers github.com/bugsnag/bugsnag-go/v2/sessions github.com/bugsnag/bugsnag-go/v2/testutil
+	cd _build && go install -trimpath -v -p 21 github.com/bugsnag/bugsnag-go github.com/bugsnag/bugsnag-go/device github.com/bugsnag/bugsnag-go/errors github.com/bugsnag/bugsnag-go/headers github.com/bugsnag/bugsnag-go/sessions github.com/bugsnag/bugsnag-go/testutil github.com/bugsnag/bugsnag-go/v2 github.com/bugsnag/bugsnag-go/v2/device github.com/bugsnag/bugsnag-go/v2/errors github.com/bugsnag/bugsnag-go/v2/headers github.com/bugsnag/bugsnag-go/v2/sessions github.com/bugsnag/bugsnag-go/v2/testutil
+unicode/utf8
+internal/byteorder
 internal/goarch
-internal/unsafeheader
-internal/cpu
+internal/itoa
 internal/asan
+internal/coverage/rtcov
+crypto/internal/fips140/alias
 internal/profilerecord
-internal/goos
-internal/abi
-internal/msan
+math/bits
 internal/godebugs
-internal/runtime/math
-internal/coverage/rtcov
-internal/byteorder
+internal/msan
+internal/unsafeheader
+crypto/internal/boring/sig
 internal/runtime/syscall
+sync/atomic
+cmp
 internal/runtime/atomic
 internal/goexperiment
-internal/runtime/sys
-math/bits
-sync/atomic
+internal/cpu
+internal/goos
 unicode
-unicode/utf8
-internal/itoa
-internal/chacha8rand
-crypto/internal/fips140/alias
-crypto/internal/fips140deps/byteorder
-cmp
-math
-crypto/internal/boring/sig
 encoding
+internal/runtime/math
 unicode/utf16
 internal/nettrace
 log/internal
 container/list
-internal/bytealg
+internal/abi
 vendor/golang.org/x/crypto/cryptobyte/asn1
+vendor/golang.org/x/crypto/internal/alias
+internal/runtime/sys
+crypto/internal/fips140deps/byteorder
+internal/chacha8rand
+internal/bytealg
 crypto/internal/fips140deps/cpu
+math
 internal/runtime/exithook
-vendor/golang.org/x/crypto/internal/alias
 internal/stringslite
 internal/race
 internal/sync
 internal/runtime/maps
 runtime
+crypto/internal/fips140/subtle
+weak
+iter
 internal/reflectlite
 sync
-iter
-weak
-crypto/internal/fips140/subtle
-slices
 maps
+slices
 crypto/subtle
-errors
-sort
-internal/bisect
 internal/testlog
 internal/singleflight
+internal/bisect
 unique
+runtime/cgo
+errors
+sort
+internal/oserror
 io
+strconv
+internal/godebug
 path
 math/rand/v2
-internal/oserror
-strconv
-runtime/cgo
 vendor/golang.org/x/net/dns/dnsmessage
 syscall
+hash
 bytes
 strings
-hash
-internal/godebug
-crypto/internal/randutil
 hash/crc32
-crypto
-reflect
-net/netip
-vendor/golang.org/x/text/transform
+crypto/internal/randutil
 crypto/internal/fips140deps/godebug
 math/rand
-crypto/internal/impl
-bufio
+crypto
+net/netip
+reflect
 net/http/internal/ascii
 net/http/internal/testcert
+crypto/internal/impl
 crypto/internal/fips140
+crypto/tls/internal/fips140tls
+crypto/internal/fips140/sha512
+bufio
+vendor/golang.org/x/text/transform
 crypto/internal/fips140/sha256
 crypto/internal/fips140/sha3
-crypto/internal/fips140/sha512
-crypto/tls/internal/fips140tls
-time
-internal/syscall/execenv
-internal/syscall/unix
-crypto/sha3
 crypto/internal/fips140/hmac
+crypto/sha3
 crypto/internal/fips140hash
 crypto/internal/fips140/check
+crypto/internal/fips140/tls12
 crypto/internal/fips140/edwards25519/field
 crypto/internal/fips140/hkdf
-crypto/internal/fips140/aes
 crypto/internal/fips140/bigmod
-crypto/internal/fips140/tls12
+crypto/internal/fips140/aes
 crypto/internal/fips140/nistec/fiat
+internal/syscall/execenv
 crypto/internal/fips140/tls13
+internal/syscall/unix
+time
 crypto/internal/fips140/edwards25519
 context
+github.com/bugsnag/bugsnag-go/v2/headers
 io/fs
 github.com/bugsnag/bugsnag-go/headers
-github.com/bugsnag/bugsnag-go/v2/headers
 internal/poll
 encoding/binary
 internal/fmtsort
 internal/filepathlite
 os
-encoding/base64
+crypto/internal/fips140/nistec
 vendor/golang.org/x/crypto/internal/poly1305
+encoding/base64
 encoding/pem
 crypto/internal/sysrand
+github.com/bugsnag/bugsnag-go/device
 io/ioutil
-path/filepath
+github.com/bugsnag/bugsnag-go/v2/device
 os/signal
-github.com/bugsnag/bugsnag-go/device
-fmt
 internal/sysinfo
-github.com/bugsnag/bugsnag-go/v2/device
+fmt
+path/filepath
 net
 crypto/internal/entropy
 crypto/internal/fips140/drbg
-crypto/internal/fips140/nistec
-crypto/internal/fips140/aes/gcm
-crypto/internal/fips140/ed25519
+os/exec
 crypto/internal/fips140only
+crypto/internal/fips140/ed25519
+crypto/internal/fips140/aes/gcm
 crypto/internal/fips140/mlkem
 crypto/internal/fips140/rsa
-os/exec
-crypto/md5
 crypto/rc4
+crypto/md5
+crypto/internal/fips140/ecdh
+crypto/internal/fips140/ecdsa
 crypto/cipher
+github.com/pkg/errors
+database/sql/driver
+log
+encoding/hex
+encoding/json
 github.com/bugsnag/panicwrap
+net/url
+compress/flate
+math/big
+mime/quotedprintable
+mime
+net/http/internal
+vendor/golang.org/x/net/http2/hpack
+vendor/golang.org/x/text/unicode/norm
 crypto/internal/boring
 crypto/des
-vendor/golang.org/x/crypto/chacha20
+runtime/debug
+flag
+runtime/trace
+github.com/bugsnag/bugsnag-go/errors
 crypto/sha512
 crypto/sha1
 crypto/aes
+crypto/ecdh
 crypto/hmac
+vendor/golang.org/x/crypto/chacha20
 crypto/sha256
-github.com/pkg/errors
-encoding/json
-database/sql/driver
-encoding/hex
-math/big
-log
-compress/flate
-vendor/golang.org/x/crypto/chacha20poly1305
-github.com/bugsnag/bugsnag-go/errors
-net/url
-vendor/golang.org/x/text/unicode/norm
+github.com/bugsnag/bugsnag-go/v2/errors
 vendor/golang.org/x/text/unicode/bidi
-vendor/golang.org/x/net/http2/hpack
-mime
-mime/quotedprintable
-net/http/internal
-flag
+vendor/golang.org/x/crypto/chacha20poly1305
 compress/gzip
-runtime/debug
-runtime/trace
-crypto/internal/fips140/ecdh
-crypto/internal/fips140/ecdsa
+testing
 vendor/golang.org/x/text/secure/bidirule
-github.com/bugsnag/bugsnag-go/v2/errors
-crypto/ecdh
 vendor/golang.org/x/net/idna
-testing
 github.com/bitly/go-simplejson
 crypto/rand
-crypto/internal/boring/bbig
 crypto/elliptic
+crypto/internal/boring/bbig
 crypto/dsa
 encoding/asn1
-crypto/ed25519
 crypto/internal/hpke
 crypto/rsa
+crypto/ed25519
 vendor/golang.org/x/crypto/cryptobyte
 crypto/x509/pkix
 crypto/ecdsa
 net/textproto
-vendor/golang.org/x/net/http/httpproxy
 github.com/google/uuid
+vendor/golang.org/x/net/http/httpproxy
+crypto/x509
 vendor/golang.org/x/net/http/httpguts
 mime/multipart
-crypto/x509
 crypto/tls
 net/http/httptrace
 net/http
 github.com/bugsnag/bugsnag-go/sessions
-net/http/httptest
 github.com/bugsnag/bugsnag-go/v2/sessions
+net/http/httptest
+github.com/bugsnag/bugsnag-go/v2
 github.com/bugsnag/bugsnag-go
 github.com/bugsnag/bugsnag-go/v2/testutil
 github.com/bugsnag/bugsnag-go/testutil
-github.com/bugsnag/bugsnag-go/v2
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go test -vet=off -v -p 11 github.com/bugsnag/bugsnag-go github.com/bugsnag/bugsnag-go/device github.com/bugsnag/bugsnag-go/errors github.com/bugsnag/bugsnag-go/headers github.com/bugsnag/bugsnag-go/sessions github.com/bugsnag/bugsnag-go/testutil github.com/bugsnag/bugsnag-go/v2 github.com/bugsnag/bugsnag-go/v2/device github.com/bugsnag/bugsnag-go/v2/errors github.com/bugsnag/bugsnag-go/v2/headers github.com/bugsnag/bugsnag-go/v2/sessions github.com/bugsnag/bugsnag-go/v2/testutil
+	cd _build && go test -vet=off -v -p 21 github.com/bugsnag/bugsnag-go github.com/bugsnag/bugsnag-go/device github.com/bugsnag/bugsnag-go/errors github.com/bugsnag/bugsnag-go/headers github.com/bugsnag/bugsnag-go/sessions github.com/bugsnag/bugsnag-go/testutil github.com/bugsnag/bugsnag-go/v2 github.com/bugsnag/bugsnag-go/v2/device github.com/bugsnag/bugsnag-go/v2/errors github.com/bugsnag/bugsnag-go/v2/headers github.com/bugsnag/bugsnag-go/v2/sessions github.com/bugsnag/bugsnag-go/v2/testutil
 === RUN   TestConfigure
---- PASS: TestConfigure (0.02s)
+--- PASS: TestConfigure (0.00s)
 === RUN   TestNotify
---- PASS: TestNotify (0.01s)
+--- PASS: TestNotify (0.00s)
 === RUN   TestNotifySyncThenAsync
 --- PASS: TestNotifySyncThenAsync (0.00s)
 === RUN   TestHandlerFunc
 === RUN   TestHandlerFunc/unhandled
 === RUN   TestConfigure
-2025/03/10 11:10:17 http: panic serving 127.0.0.1:48594: send on closed channel
-goroutine 30 [running]:
+2026/04/12 17:34:38 http: panic serving 127.0.0.1:45200: send on closed channel
+goroutine 21 [running]:
 net/http.(*conn).serve.func1()
 	/usr/lib/go-1.24/src/net/http/server.go:1947 +0xd6
 panic({0x8412b40, 0x84ebe20})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go.(*Notifier).AutoNotify(0x9012960, {0x9065c78, 0x1, 0x1})
+github.com/bugsnag/bugsnag-go.(*Notifier).AutoNotify(0x8d1a1c0, {0x8e28c78, 0x1, 0x1})
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/notifier.go:102 +0x3ef
 panic({0x8412b40, 0x84ebe20})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go.crashyHandler({0x84eeba4, 0x9135048}, 0x912ed18)
+github.com/bugsnag/bugsnag-go.crashyHandler({0x84eeba4, 0x8daa0a8}, 0x8da8218)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/bugsnag_test.go:24 +0x51
-github.com/bugsnag/bugsnag-go.HandlerFunc.func1({0x84eeba4, 0x9135048}, 0x912eb08)
+github.com/bugsnag/bugsnag-go.HandlerFunc.func1({0x84eeba4, 0x8daa0a8}, 0x8da80b8)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/bugsnag.go:202 +0x19c
-net/http.HandlerFunc.ServeHTTP(0x9012970, {0x84eeba4, 0x9135048}, 0x912eb08)
+net/http.HandlerFunc.ServeHTTP(0x8d1a1d0, {0x84eeba4, 0x8daa0a8}, 0x8da80b8)
 	/usr/lib/go-1.24/src/net/http/server.go:2294 +0x34
-net/http.serverHandler.ServeHTTP({0x912e8f8}, {0x84eeba4, 0x9135048}, 0x912eb08)
+net/http.serverHandler.ServeHTTP({0x8d322c8}, {0x84eeba4, 0x8daa0a8}, 0x8da80b8)
 	/usr/lib/go-1.24/src/net/http/server.go:3301 +0x99
-net/http.(*conn).serve(0x9109140, {0x84eed88, 0x910b758})
+net/http.(*conn).serve(0x8dbc000, {0x84eed88, 0x8c9f488})
 	/usr/lib/go-1.24/src/net/http/server.go:2102 +0x680
-created by net/http.(*Server).Serve in goroutine 27
+created by net/http.(*Server).Serve in goroutine 57
 	/usr/lib/go-1.24/src/net/http/server.go:3454 +0x41c
 === RUN   TestHandlerFunc/handled
---- PASS: TestHandlerFunc (0.03s)
-    --- PASS: TestHandlerFunc/unhandled (0.01s)
-    --- PASS: TestHandlerFunc/handled (0.01s)
+--- PASS: TestHandlerFunc (0.00s)
+    --- PASS: TestHandlerFunc/unhandled (0.00s)
+    --- PASS: TestHandlerFunc/handled (0.00s)
 === RUN   TestHandler
---- PASS: TestHandler (0.01s)
+--- PASS: TestHandler (0.00s)
 === RUN   TestAutoNotify
 --- PASS: TestAutoNotify (0.00s)
 === RUN   TestRecover
@@ -705,13 +741,13 @@
 === RUN   TestIsAutoCaptureSessions
 --- PASS: TestIsAutoCaptureSessions (0.00s)
 === RUN   TestPopulateEvent
---- PASS: TestPopulateEvent (0.01s)
+--- PASS: TestPopulateEvent (0.00s)
 === RUN   TestMetaDataAdd
 --- PASS: TestMetaDataAdd (0.00s)
 === RUN   TestMetaDataUpdate
 --- PASS: TestMetaDataUpdate (0.00s)
 === RUN   TestMetaDataSanitize
---- PASS: TestMetaDataSanitize (0.00s)
+--- PASS: TestMetaDataSanitize (0.03s)
 === RUN   TestSanitizerSanitize
 --- PASS: TestSanitizerSanitize (0.00s)
 === RUN   TestMiddlewareOrder
@@ -721,9 +757,9 @@
 === RUN   TestBeforeNotifyPanic
 --- PASS: TestBeforeNotifyPanic (0.00s)
 === RUN   TestPanicHandlerHandledPanic
---- PASS: TestPanicHandlerHandledPanic (0.08s)
+--- PASS: TestPanicHandlerHandledPanic (0.01s)
 === RUN   TestPanicHandlerUnhandledPanic
---- PASS: TestPanicHandlerUnhandledPanic (0.12s)
+--- PASS: TestPanicHandlerUnhandledPanic (0.01s)
 === RUN   TestMarshalEmptyPayload
 --- PASS: TestMarshalEmptyPayload (0.00s)
 === RUN   TestMarshalLargePayload
@@ -763,46 +799,46 @@
 === RUN   ExampleRecover
 --- PASS: ExampleRecover (0.00s)
 PASS
-2025/03/10 11:10:17 bugsnag/notifier.Notify: panic! unexpected call to os.Exit(0) during test
---- PASS: TestConfigure (0.27s)
+2026/04/12 17:34:38 bugsnag/notifier.Notify: panic! unexpected call to os.Exit(0) during test
+--- PASS: TestConfigure (0.06s)
 === RUN   TestNotify
---- PASS: TestNotify (0.04s)
+--- PASS: TestNotify (0.00s)
 === RUN   TestNotifySyncThenAsync
 --- PASS: TestNotifySyncThenAsync (0.00s)
 === RUN   TestHandlerFunc
 === RUN   TestHandlerFunc/unhandled
-2025/03/10 11:10:17 http: panic serving 127.0.0.1:41398: send on closed channel
-goroutine 65 [running]:
+2026/04/12 17:34:38 http: panic serving 127.0.0.1:57408: send on closed channel
+goroutine 60 [running]:
 net/http.(*conn).serve.func1()
 	/usr/lib/go-1.24/src/net/http/server.go:1947 +0xd6
 panic({0x8412b40, 0x84ebe20})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go.(*Notifier).AutoNotify(0x9698580, {0x96e8c78, 0x1, 0x1})
+github.com/bugsnag/bugsnag-go.(*Notifier).AutoNotify(0x9812790, {0x9a9fc78, 0x1, 0x1})
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/notifier.go:102 +0x3ef
 panic({0x8412b40, 0x84ebe20})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go.crashyHandler({0x84eeba4, 0x96a4a08}, 0x96bac68)
+github.com/bugsnag/bugsnag-go.crashyHandler({0x84eeba4, 0x9928508}, 0x9942588)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/bugsnag_test.go:24 +0x51
-github.com/bugsnag/bugsnag-go.HandlerFunc.func1({0x84eeba4, 0x96a4a08}, 0x96ba9a8)
+github.com/bugsnag/bugsnag-go.HandlerFunc.func1({0x84eeba4, 0x9928508}, 0x98c29a8)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/bugsnag.go:202 +0x19c
-net/http.HandlerFunc.ServeHTTP(0x9698590, {0x84eeba4, 0x96a4a08}, 0x96ba9a8)
+net/http.HandlerFunc.ServeHTTP(0x98127a0, {0x84eeba4, 0x9928508}, 0x98c29a8)
 	/usr/lib/go-1.24/src/net/http/server.go:2294 +0x34
-net/http.serverHandler.ServeHTTP({0x96ba798}, {0x84eeba4, 0x96a4a08}, 0x96ba9a8)
+net/http.serverHandler.ServeHTTP({0x98c2798}, {0x84eeba4, 0x9928508}, 0x98c29a8)
 	/usr/lib/go-1.24/src/net/http/server.go:3301 +0x99
-net/http.(*conn).serve(0x96968a0, {0x84eed88, 0x9694dc8})
+net/http.(*conn).serve(0x983eba0, {0x84eed88, 0x9b041e0})
 	/usr/lib/go-1.24/src/net/http/server.go:2102 +0x680
-created by net/http.(*Server).Serve in goroutine 62
+created by net/http.(*Server).Serve in goroutine 57
 	/usr/lib/go-1.24/src/net/http/server.go:3454 +0x41c
 === RUN   TestHandlerFunc/handled
---- PASS: TestHandlerFunc (0.09s)
+--- PASS: TestHandlerFunc (0.00s)
     --- PASS: TestHandlerFunc/unhandled (0.00s)
-    --- PASS: TestHandlerFunc/handled (0.09s)
+    --- PASS: TestHandlerFunc/handled (0.00s)
 === RUN   TestHandler
 --- PASS: TestHandler (0.00s)
 === RUN   TestAutoNotify
---- PASS: TestAutoNotify (0.01s)
+--- PASS: TestAutoNotify (0.00s)
 === RUN   TestRecover
---- PASS: TestRecover (0.01s)
+--- PASS: TestRecover (0.00s)
 === RUN   TestRecoverCustomHandledState
 --- PASS: TestRecoverCustomHandledState (0.00s)
 === RUN   TestSeverityReasonNotifyCallback
@@ -853,33 +889,33 @@
 === RUN   TestBeforeNotifyPanic
 --- PASS: TestBeforeNotifyPanic (0.00s)
 === RUN   TestPanicHandlerHandledPanic
---- FAIL: TestPanicHandlerHandledPanic (0.03s)
+--- FAIL: TestPanicHandlerHandledPanic (0.00s)
 panic: runtime error: invalid memory address or nil pointer dereference [recovered]
 	panic: runtime error: invalid memory address or nil pointer dereference
 [signal SIGSEGV: segmentation violation code=0x1 addr=0xc pc=0x833046e]
 
-goroutine 46 [running]:
+goroutine 184 [running]:
 testing.tRunner.func1.2({0x8412ae0, 0x872f890})
 	/usr/lib/go-1.24/src/testing/testing.go:1734 +0x283
 testing.tRunner.func1()
 	/usr/lib/go-1.24/src/testing/testing.go:1737 +0x415
 panic({0x8412ae0, 0x872f890})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go.startPanickingProcess(0x9701208, {0x8457f80, 0x7}, {0x97100d8, 0x16})
+github.com/bugsnag/bugsnag-go.startPanickingProcess(0x9abca28, {0x8457f80, 0x7}, {0x981ecf0, 0x16})
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/panicwrap_test.go:111 +0x33e
-github.com/bugsnag/bugsnag-go.TestPanicHandlerHandledPanic(0x9701208)
+github.com/bugsnag/bugsnag-go.TestPanicHandlerHandledPanic(0x9abca28)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/panicwrap_test.go:22 +0x99
-testing.tRunner(0x9701208, 0x847b030)
+testing.tRunner(0x9abca28, 0x847b030)
 	/usr/lib/go-1.24/src/testing/testing.go:1792 +0x119
 created by testing.(*T).Run in goroutine 1
 	/usr/lib/go-1.24/src/testing/testing.go:1851 +0x468
-ok  	github.com/bugsnag/bugsnag-go	0.527s
+ok  	github.com/bugsnag/bugsnag-go	0.090s
 === RUN   TestPristineRuntimeVersions
 --- PASS: TestPristineRuntimeVersions (0.00s)
 === RUN   TestModifiedRuntimeVersions
 --- PASS: TestModifiedRuntimeVersions (0.00s)
 PASS
-ok  	github.com/bugsnag/bugsnag-go/device	0.036s
+ok  	github.com/bugsnag/bugsnag-go/device	0.002s
 === RUN   TestParsePanicStack
 --- PASS: TestParsePanicStack (0.00s)
 === RUN   TestParseGeneratedStack
@@ -905,7 +941,7 @@
 === RUN   ExampleNew
 --- PASS: ExampleNew (0.00s)
 PASS
-ok  	github.com/bugsnag/bugsnag-go/errors	0.032s
+ok  	github.com/bugsnag/bugsnag-go/errors	0.004s
 === RUN   TestConstantBugsnagPrefixedHeaders
 === RUN   TestConstantBugsnagPrefixedHeaders/Content-Type
 === RUN   TestConstantBugsnagPrefixedHeaders/Bugsnag-Api-Key
@@ -917,7 +953,7 @@
 === RUN   TestTimeDependentBugsnagPrefixedHeaders
 --- PASS: TestTimeDependentBugsnagPrefixedHeaders (0.00s)
 PASS
-ok  	github.com/bugsnag/bugsnag-go/headers	0.038s
+ok  	github.com/bugsnag/bugsnag-go/headers	0.005s
 === RUN   TestConfigDoesNotChangeGivenBlankValues
 --- PASS: TestConfigDoesNotChangeGivenBlankValues (0.00s)
 === RUN   TestConfigUpdatesGivenNonDefaultValues
@@ -926,31 +962,30 @@
 === RUN   TestSendsCorrectPayloadForSmallConfig/Bugsnag-Payload-Version
 === RUN   TestSendsCorrectPayloadForSmallConfig/Content-Type
 === RUN   TestSendsCorrectPayloadForSmallConfig/Bugsnag-Api-Key
+=== RUN   TestSendsCorrectPayloadForSmallConfig/notifier.version
+=== RUN   TestSendsCorrectPayloadForSmallConfig/app.type
 === RUN   TestSendsCorrectPayloadForSmallConfig/app.releaseStage
 === RUN   TestSendsCorrectPayloadForSmallConfig/app.version
 === RUN   TestSendsCorrectPayloadForSmallConfig/device.osName
 === RUN   TestSendsCorrectPayloadForSmallConfig/device.hostname
 === RUN   TestSendsCorrectPayloadForSmallConfig/notifier.name
 === RUN   TestSendsCorrectPayloadForSmallConfig/notifier.url
-=== RUN   TestSendsCorrectPayloadForSmallConfig/notifier.version
-=== RUN   TestSendsCorrectPayloadForSmallConfig/app.type
 --- PASS: TestSendsCorrectPayloadForSmallConfig (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Content-Type (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Bugsnag-Api-Key (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.version (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/app.type (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/app.releaseStage (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/app.version (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/device.osName (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/device.hostname (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.name (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.url (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.version (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/app.type (0.00s)
 === RUN   TestSendsCorrectPayloadForBigConfig
 === RUN   TestSendsCorrectPayloadForBigConfig/Bugsnag-Payload-Version
 === RUN   TestSendsCorrectPayloadForBigConfig/Content-Type
 === RUN   TestSendsCorrectPayloadForBigConfig/Bugsnag-Api-Key
-=== RUN   TestSendsCorrectPayloadForBigConfig/device.osName
 === RUN   TestSendsCorrectPayloadForBigConfig/device.hostname
 === RUN   TestSendsCorrectPayloadForBigConfig/notifier.name
 === RUN   TestSendsCorrectPayloadForBigConfig/notifier.url
@@ -958,11 +993,11 @@
 === RUN   TestSendsCorrectPayloadForBigConfig/app.type
 === RUN   TestSendsCorrectPayloadForBigConfig/app.releaseStage
 === RUN   TestSendsCorrectPayloadForBigConfig/app.version
+=== RUN   TestSendsCorrectPayloadForBigConfig/device.osName
 --- PASS: TestSendsCorrectPayloadForBigConfig (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/Content-Type (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/Bugsnag-Api-Key (0.00s)
-    --- PASS: TestSendsCorrectPayloadForBigConfig/device.osName (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/device.hostname (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/notifier.name (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/notifier.url (0.00s)
@@ -970,6 +1005,7 @@
     --- PASS: TestSendsCorrectPayloadForBigConfig/app.type (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/app.releaseStage (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/app.version (0.00s)
+    --- PASS: TestSendsCorrectPayloadForBigConfig/device.osName (0.00s)
 === RUN   TestNoSessionsSentWhenAPIKeyIsMissing
 --- PASS: TestNoSessionsSentWhenAPIKeyIsMissing (0.00s)
 === RUN   TestNoSessionsOutsideNotifyReleaseStages
@@ -979,7 +1015,7 @@
 === RUN   TestStartSessionModifiesContext
 --- PASS: TestStartSessionModifiesContext (0.00s)
 === RUN   TestShouldOnlyWriteWhenReceivingSessions
---- PASS: TestShouldOnlyWriteWhenReceivingSessions (0.82s)
+--- PASS: TestShouldOnlyWriteWhenReceivingSessions (0.29s)
 === RUN   TestStartSession
 === RUN   TestConfigDoesNotChangeGivenBlankValues
 --- PASS: TestConfigDoesNotChangeGivenBlankValues (0.00s)
@@ -989,26 +1025,26 @@
 === RUN   TestSendsCorrectPayloadForSmallConfig/Bugsnag-Payload-Version
 === RUN   TestSendsCorrectPayloadForSmallConfig/Content-Type
 === RUN   TestSendsCorrectPayloadForSmallConfig/Bugsnag-Api-Key
-=== RUN   TestSendsCorrectPayloadForSmallConfig/app.releaseStage
-=== RUN   TestSendsCorrectPayloadForSmallConfig/app.version
-=== RUN   TestSendsCorrectPayloadForSmallConfig/device.osName
 === RUN   TestSendsCorrectPayloadForSmallConfig/device.hostname
 === RUN   TestSendsCorrectPayloadForSmallConfig/notifier.name
 === RUN   TestSendsCorrectPayloadForSmallConfig/notifier.url
 === RUN   TestSendsCorrectPayloadForSmallConfig/notifier.version
 === RUN   TestSendsCorrectPayloadForSmallConfig/app.type
+=== RUN   TestSendsCorrectPayloadForSmallConfig/app.releaseStage
+=== RUN   TestSendsCorrectPayloadForSmallConfig/app.version
+=== RUN   TestSendsCorrectPayloadForSmallConfig/device.osName
 --- PASS: TestSendsCorrectPayloadForSmallConfig (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Content-Type (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Bugsnag-Api-Key (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/app.releaseStage (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/app.version (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/device.osName (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/device.hostname (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.name (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.url (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.version (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/app.type (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/app.releaseStage (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/app.version (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/device.osName (0.00s)
 === RUN   TestSendsCorrectPayloadForBigConfig
 === RUN   TestSendsCorrectPayloadForBigConfig/Bugsnag-Payload-Version
 === RUN   TestSendsCorrectPayloadForBigConfig/Content-Type
@@ -1045,88 +1081,34 @@
 === RUN   TestStartSession/Bugsnag-Payload-Version
 === RUN   TestStartSession/Content-Type
 === RUN   TestStartSession/Bugsnag-Api-Key
-=== RUN   TestStartSession/Bugsnag-Payload-Version#01
-=== RUN   TestStartSession/Content-Type#01
-=== RUN   TestStartSession/Bugsnag-Api-Key#01
-=== RUN   TestStartSession/Bugsnag-Payload-Version#02
-=== RUN   TestStartSession/Content-Type#02
-=== RUN   TestStartSession/Bugsnag-Api-Key#02
-=== RUN   TestStartSession/Bugsnag-Payload-Version#03
-=== RUN   TestStartSession/Content-Type#03
-=== RUN   TestStartSession/Bugsnag-Api-Key#03
---- PASS: TestShouldOnlyWriteWhenReceivingSessions (0.87s)
+--- PASS: TestShouldOnlyWriteWhenReceivingSessions (0.29s)
 === RUN   TestStartSession
-=== RUN   TestStartSession/Bugsnag-Payload-Version#04
-=== RUN   TestStartSession/Content-Type#04
-=== RUN   TestStartSession/Bugsnag-Api-Key#04
---- PASS: TestStartSession (1.70s)
+--- PASS: TestStartSession (0.96s)
     --- PASS: TestStartSession/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestStartSession/Content-Type (0.00s)
     --- PASS: TestStartSession/Bugsnag-Api-Key (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#01 (0.00s)
-    --- PASS: TestStartSession/Content-Type#01 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#01 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#02 (0.00s)
-    --- PASS: TestStartSession/Content-Type#02 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#02 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#03 (0.00s)
-    --- PASS: TestStartSession/Content-Type#03 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#03 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#04 (0.00s)
-    --- PASS: TestStartSession/Content-Type#04 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#04 (0.00s)
 PASS
-2025/03/10 11:10:20 bugsnag/notifier.Notify: panic! unexpected call to os.Exit(0) during test
+2026/04/12 17:34:40 bugsnag/notifier.Notify: panic! unexpected call to os.Exit(0) during test
 === RUN   TestStartSession/Bugsnag-Payload-Version
 === RUN   TestStartSession/Content-Type
 === RUN   TestStartSession/Bugsnag-Api-Key
 === RUN   TestStartSession/Bugsnag-Payload-Version#01
 === RUN   TestStartSession/Content-Type#01
 === RUN   TestStartSession/Bugsnag-Api-Key#01
-=== RUN   TestStartSession/Bugsnag-Payload-Version#02
-=== RUN   TestStartSession/Content-Type#02
-=== RUN   TestStartSession/Bugsnag-Api-Key#02
-=== RUN   TestStartSession/Bugsnag-Payload-Version#03
-=== RUN   TestStartSession/Content-Type#03
-=== RUN   TestStartSession/Bugsnag-Api-Key#03
-=== RUN   TestStartSession/Bugsnag-Payload-Version#04
-=== RUN   TestStartSession/Content-Type#04
-=== RUN   TestStartSession/Bugsnag-Api-Key#04
-=== RUN   TestStartSession/Bugsnag-Payload-Version#05
-=== RUN   TestStartSession/Content-Type#05
-=== RUN   TestStartSession/Bugsnag-Api-Key#05
-=== RUN   TestStartSession/Bugsnag-Payload-Version#06
-=== RUN   TestStartSession/Content-Type#06
-=== RUN   TestStartSession/Bugsnag-Api-Key#06
 === NAME  TestStartSession
     integration_test.go:120: Expected 50000 sessions started, but was 50001
---- FAIL: TestStartSession (1.84s)
+--- FAIL: TestStartSession (0.95s)
     --- PASS: TestStartSession/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestStartSession/Content-Type (0.00s)
     --- PASS: TestStartSession/Bugsnag-Api-Key (0.00s)
     --- PASS: TestStartSession/Bugsnag-Payload-Version#01 (0.00s)
     --- PASS: TestStartSession/Content-Type#01 (0.00s)
     --- PASS: TestStartSession/Bugsnag-Api-Key#01 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#02 (0.00s)
-    --- PASS: TestStartSession/Content-Type#02 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#02 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#03 (0.00s)
-    --- PASS: TestStartSession/Content-Type#03 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#03 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#04 (0.00s)
-    --- PASS: TestStartSession/Content-Type#04 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#04 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#05 (0.00s)
-    --- PASS: TestStartSession/Content-Type#05 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#05 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#06 (0.00s)
-    --- PASS: TestStartSession/Content-Type#06 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#06 (0.00s)
 FAIL
-ok  	github.com/bugsnag/bugsnag-go/sessions	4.036s
+ok  	github.com/bugsnag/bugsnag-go/sessions	1.949s
 ?   	github.com/bugsnag/bugsnag-go/testutil	[no test files]
 === RUN   TestConfigure
---- PASS: TestConfigure (0.03s)
+--- PASS: TestConfigure (0.00s)
 === RUN   TestNotify
 --- PASS: TestNotify (0.00s)
 === RUN   TestNotifySyncThenAsync
@@ -1134,38 +1116,38 @@
 === RUN   TestHandlerFunc
 === RUN   TestHandlerFunc/unhandled
 === RUN   TestConfigure
-=== RUN   TestHandlerFunc/handled
---- PASS: TestHandlerFunc (0.07s)
-    --- PASS: TestHandlerFunc/unhandled (0.07s)
-    --- PASS: TestHandlerFunc/handled (0.00s)
-=== RUN   TestHandler
-2025/03/10 11:10:17 http: panic serving 127.0.0.1:47130: send on closed channel
-goroutine 37 [running]:
+2026/04/12 17:34:38 http: panic serving 127.0.0.1:51540: send on closed channel
+goroutine 16 [running]:
 net/http.(*conn).serve.func1()
 	/usr/lib/go-1.24/src/net/http/server.go:1947 +0xd6
 panic({0x84186c0, 0x84f2a48})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go/v2.(*Notifier).AutoNotify(0xa812370, {0xa86ac78, 0x1, 0x1})
+github.com/bugsnag/bugsnag-go/v2.(*Notifier).AutoNotify(0x8d28170, {0x8c77c78, 0x1, 0x1})
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/v2/notifier.go:103 +0x3ef
 panic({0x84186c0, 0x84f2a48})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go/v2.crashyHandler({0x84f57e4, 0xa98e3c8}, 0xa98a848)
+github.com/bugsnag/bugsnag-go/v2.crashyHandler({0x84f57e4, 0x8db20a8}, 0x8daa168)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/v2/bugsnag_test.go:28 +0x51
-github.com/bugsnag/bugsnag-go/v2.HandlerFunc.func1({0x84f57e4, 0xa98e3c8}, 0xa98a638)
+github.com/bugsnag/bugsnag-go/v2.HandlerFunc.func1({0x84f57e4, 0x8db20a8}, 0x8cc2588)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/v2/bugsnag.go:214 +0x19c
-net/http.HandlerFunc.ServeHTTP(0xa812380, {0x84f57e4, 0xa98e3c8}, 0xa98a638)
+net/http.HandlerFunc.ServeHTTP(0x8d28180, {0x84f57e4, 0x8db20a8}, 0x8cc2588)
 	/usr/lib/go-1.24/src/net/http/server.go:2294 +0x34
-net/http.serverHandler.ServeHTTP({0xa98a428}, {0x84f57e4, 0xa98e3c8}, 0xa98a638)
+net/http.serverHandler.ServeHTTP({0x8d36218}, {0x84f57e4, 0x8db20a8}, 0x8cc2588)
 	/usr/lib/go-1.24/src/net/http/server.go:3301 +0x99
-net/http.(*conn).serve(0xa980240, {0x84f59e4, 0xa87e438})
+net/http.(*conn).serve(0x8c3ede0, {0x84f59e4, 0x8c9f380})
 	/usr/lib/go-1.24/src/net/http/server.go:2102 +0x680
-created by net/http.(*Server).Serve in goroutine 34
+created by net/http.(*Server).Serve in goroutine 43
 	/usr/lib/go-1.24/src/net/http/server.go:3454 +0x41c
---- PASS: TestHandler (0.01s)
+=== RUN   TestHandlerFunc/handled
+--- PASS: TestHandlerFunc (0.00s)
+    --- PASS: TestHandlerFunc/unhandled (0.00s)
+    --- PASS: TestHandlerFunc/handled (0.00s)
+=== RUN   TestHandler
+--- PASS: TestHandler (0.00s)
 === RUN   TestAutoNotify
 --- PASS: TestAutoNotify (0.00s)
 === RUN   TestRecover
---- PASS: TestRecover (0.01s)
+--- PASS: TestRecover (0.00s)
 === RUN   TestRecoverCustomHandledState
 --- PASS: TestRecoverCustomHandledState (0.00s)
 === RUN   TestSeverityReasonNotifyCallback
@@ -1229,9 +1211,9 @@
 === RUN   TestHttpRequestMiddleware
 --- PASS: TestHttpRequestMiddleware (0.00s)
 === RUN   TestPanicHandlerHandledPanic
---- PASS: TestPanicHandlerHandledPanic (0.05s)
+--- PASS: TestPanicHandlerHandledPanic (0.01s)
 === RUN   TestPanicHandlerUnhandledPanic
---- PASS: TestPanicHandlerUnhandledPanic (0.10s)
+--- PASS: TestPanicHandlerUnhandledPanic (0.01s)
 === RUN   TestMarshalEmptyPayload
 --- PASS: TestMarshalEmptyPayload (0.00s)
 === RUN   TestMarshalLargePayload
@@ -1252,11 +1234,11 @@
 === RUN   TestStackframesAreSkippedCorrectly/bugsnag.AutoNotify
 === RUN   TestStackframesAreSkippedCorrectly/notifier.Recover
 === RUN   TestStackframesAreSkippedCorrectly/bugsnag.Recover
---- PASS: TestStackframesAreSkippedCorrectly (0.02s)
+--- PASS: TestStackframesAreSkippedCorrectly (0.00s)
     --- PASS: TestStackframesAreSkippedCorrectly/notifier.Notify (0.00s)
     --- PASS: TestStackframesAreSkippedCorrectly/bugsnag.Notify (0.00s)
     --- PASS: TestStackframesAreSkippedCorrectly/notifier.NotifySync (0.00s)
-    --- PASS: TestStackframesAreSkippedCorrectly/notifier.AutoNotify (0.01s)
+    --- PASS: TestStackframesAreSkippedCorrectly/notifier.AutoNotify (0.00s)
     --- PASS: TestStackframesAreSkippedCorrectly/bugsnag.AutoNotify (0.00s)
     --- PASS: TestStackframesAreSkippedCorrectly/notifier.Recover (0.00s)
     --- PASS: TestStackframesAreSkippedCorrectly/bugsnag.Recover (0.00s)
@@ -1271,42 +1253,42 @@
 === RUN   ExampleRecover
 --- PASS: ExampleRecover (0.00s)
 PASS
-2025/03/10 11:10:17 bugsnag/notifier.Notify: panic! unexpected call to os.Exit(0) during test
---- PASS: TestConfigure (0.25s)
+2026/04/12 17:34:38 bugsnag/notifier.Notify: panic! unexpected call to os.Exit(0) during test
+--- PASS: TestConfigure (0.03s)
 === RUN   TestNotify
 --- PASS: TestNotify (0.00s)
 === RUN   TestNotifySyncThenAsync
 --- PASS: TestNotifySyncThenAsync (0.00s)
 === RUN   TestHandlerFunc
 === RUN   TestHandlerFunc/unhandled
-2025/03/10 11:10:17 http: panic serving 127.0.0.1:58920: send on closed channel
-goroutine 52 [running]:
+2026/04/12 17:34:38 http: panic serving 127.0.0.1:41550: send on closed channel
+goroutine 51 [running]:
 net/http.(*conn).serve.func1()
 	/usr/lib/go-1.24/src/net/http/server.go:1947 +0xd6
 panic({0x84186c0, 0x84f2a48})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go/v2.(*Notifier).AutoNotify(0x9188660, {0x9064c78, 0x1, 0x1})
+github.com/bugsnag/bugsnag-go/v2.(*Notifier).AutoNotify(0xa196180, {0xa183c78, 0x1, 0x1})
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/v2/notifier.go:103 +0x3ef
 panic({0x84186c0, 0x84f2a48})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go/v2.crashyHandler({0x84f57e4, 0x9198828}, 0x91b4d18)
+github.com/bugsnag/bugsnag-go/v2.crashyHandler({0x84f57e4, 0xa33c008}, 0xa338168)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/v2/bugsnag_test.go:28 +0x51
-github.com/bugsnag/bugsnag-go/v2.HandlerFunc.func1({0x84f57e4, 0x9198828}, 0x91b4a58)
+github.com/bugsnag/bugsnag-go/v2.HandlerFunc.func1({0x84f57e4, 0xa33c008}, 0xa338008)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/v2/bugsnag.go:214 +0x19c
-net/http.HandlerFunc.ServeHTTP(0x9188670, {0x84f57e4, 0x9198828}, 0x91b4a58)
+net/http.HandlerFunc.ServeHTTP(0xa196190, {0x84f57e4, 0xa33c008}, 0xa338008)
 	/usr/lib/go-1.24/src/net/http/server.go:2294 +0x34
-net/http.serverHandler.ServeHTTP({0x91b4848}, {0x84f57e4, 0x9198828}, 0x91b4a58)
+net/http.serverHandler.ServeHTTP({0xa1ca168}, {0x84f57e4, 0xa33c008}, 0xa338008)
 	/usr/lib/go-1.24/src/net/http/server.go:3301 +0x99
-net/http.(*conn).serve(0x9190540, {0x84f59e4, 0x9186df8})
+net/http.(*conn).serve(0xa306060, {0x84f59e4, 0xa09f2a8})
 	/usr/lib/go-1.24/src/net/http/server.go:2102 +0x680
-created by net/http.(*Server).Serve in goroutine 33
+created by net/http.(*Server).Serve in goroutine 41
 	/usr/lib/go-1.24/src/net/http/server.go:3454 +0x41c
 === RUN   TestHandlerFunc/handled
---- PASS: TestHandlerFunc (0.01s)
+--- PASS: TestHandlerFunc (0.00s)
     --- PASS: TestHandlerFunc/unhandled (0.00s)
     --- PASS: TestHandlerFunc/handled (0.00s)
 === RUN   TestHandler
---- PASS: TestHandler (0.05s)
+--- PASS: TestHandler (0.00s)
 === RUN   TestAutoNotify
 --- PASS: TestAutoNotify (0.00s)
 === RUN   TestRecover
@@ -1352,13 +1334,13 @@
 === RUN   TestParsePairs
 --- PASS: TestParsePairs (0.00s)
 === RUN   TestPopulateEvent
---- PASS: TestPopulateEvent (0.01s)
+--- PASS: TestPopulateEvent (0.00s)
 === RUN   TestMetaDataAdd
 --- PASS: TestMetaDataAdd (0.00s)
 === RUN   TestMetadataAddPointer
 --- PASS: TestMetadataAddPointer (0.00s)
 === RUN   TestMetadataAddNil
---- PASS: TestMetadataAddNil (0.05s)
+--- PASS: TestMetadataAddNil (0.00s)
 === RUN   TestMetaDataUpdate
 --- PASS: TestMetaDataUpdate (0.00s)
 === RUN   TestMetaDataSanitize
@@ -1374,33 +1356,33 @@
 === RUN   TestHttpRequestMiddleware
 --- PASS: TestHttpRequestMiddleware (0.00s)
 === RUN   TestPanicHandlerHandledPanic
---- FAIL: TestPanicHandlerHandledPanic (0.02s)
+--- FAIL: TestPanicHandlerHandledPanic (0.00s)
 panic: runtime error: invalid memory address or nil pointer dereference [recovered]
 	panic: runtime error: invalid memory address or nil pointer dereference
 [signal SIGSEGV: segmentation violation code=0x1 addr=0xc pc=0x8334d2d]
 
-goroutine 215 [running]:
+goroutine 202 [running]:
 testing.tRunner.func1.2({0x8418660, 0x8738848})
 	/usr/lib/go-1.24/src/testing/testing.go:1734 +0x283
 testing.tRunner.func1()
 	/usr/lib/go-1.24/src/testing/testing.go:1737 +0x415
 panic({0x8418660, 0x8738848})
 	/usr/lib/go-1.24/src/runtime/panic.go:792 +0x103
-github.com/bugsnag/bugsnag-go/v2.startPanickingProcess(0x92778c8, {0x845de9d, 0x7}, {0x9184ee8, 0x16})
+github.com/bugsnag/bugsnag-go/v2.startPanickingProcess(0xa24a5a8, {0x845de9d, 0x7}, {0xa114900, 0x16})
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/v2/panicwrap_test.go:115 +0x33d
-github.com/bugsnag/bugsnag-go/v2.TestPanicHandlerHandledPanic(0x92778c8)
+github.com/bugsnag/bugsnag-go/v2.TestPanicHandlerHandledPanic(0xa24a5a8)
 	/build/reproducible-path/golang-github-bugsnag-bugsnag-go-2.5.1/_build/src/github.com/bugsnag/bugsnag-go/v2/panicwrap_test.go:22 +0x99
-testing.tRunner(0x92778c8, 0x8481554)
+testing.tRunner(0xa24a5a8, 0x8481554)
 	/usr/lib/go-1.24/src/testing/testing.go:1792 +0x119
 created by testing.(*T).Run in goroutine 1
 	/usr/lib/go-1.24/src/testing/testing.go:1851 +0x468
-ok  	github.com/bugsnag/bugsnag-go/v2	0.488s
+ok  	github.com/bugsnag/bugsnag-go/v2	0.060s
 === RUN   TestPristineRuntimeVersions
 --- PASS: TestPristineRuntimeVersions (0.00s)
 === RUN   TestModifiedRuntimeVersions
 --- PASS: TestModifiedRuntimeVersions (0.00s)
 PASS
-ok  	github.com/bugsnag/bugsnag-go/v2/device	0.032s
+ok  	github.com/bugsnag/bugsnag-go/v2/device	0.003s
 === RUN   TestUnwrapErrorsCause
 --- PASS: TestUnwrapErrorsCause (0.00s)
 === RUN   TestParsePanicStack
@@ -1438,7 +1420,7 @@
 === RUN   TestParseFatalError
 --- PASS: TestParseFatalError (0.00s)
 PASS
-ok  	github.com/bugsnag/bugsnag-go/v2/errors	0.032s
+ok  	github.com/bugsnag/bugsnag-go/v2/errors	0.005s
 === RUN   TestConstantBugsnagPrefixedHeaders
 === RUN   TestConstantBugsnagPrefixedHeaders/Content-Type
 === RUN   TestConstantBugsnagPrefixedHeaders/Bugsnag-Api-Key
@@ -1450,7 +1432,7 @@
 === RUN   TestTimeDependentBugsnagPrefixedHeaders
 --- PASS: TestTimeDependentBugsnagPrefixedHeaders (0.00s)
 PASS
-ok  	github.com/bugsnag/bugsnag-go/v2/headers	0.032s
+ok  	github.com/bugsnag/bugsnag-go/v2/headers	0.003s
 === RUN   TestConfigDoesNotChangeGivenBlankValues
 --- PASS: TestConfigDoesNotChangeGivenBlankValues (0.00s)
 === RUN   TestConfigUpdatesGivenNonDefaultValues
@@ -1459,26 +1441,26 @@
 === RUN   TestSendsCorrectPayloadForSmallConfig/Bugsnag-Payload-Version
 === RUN   TestSendsCorrectPayloadForSmallConfig/Content-Type
 === RUN   TestSendsCorrectPayloadForSmallConfig/Bugsnag-Api-Key
-=== RUN   TestSendsCorrectPayloadForSmallConfig/device.osName
-=== RUN   TestSendsCorrectPayloadForSmallConfig/device.hostname
-=== RUN   TestSendsCorrectPayloadForSmallConfig/notifier.name
-=== RUN   TestSendsCorrectPayloadForSmallConfig/notifier.url
 === RUN   TestSendsCorrectPayloadForSmallConfig/notifier.version
 === RUN   TestSendsCorrectPayloadForSmallConfig/app.type
 === RUN   TestSendsCorrectPayloadForSmallConfig/app.releaseStage
 === RUN   TestSendsCorrectPayloadForSmallConfig/app.version
+=== RUN   TestSendsCorrectPayloadForSmallConfig/device.osName
+=== RUN   TestSendsCorrectPayloadForSmallConfig/device.hostname
+=== RUN   TestSendsCorrectPayloadForSmallConfig/notifier.name
+=== RUN   TestSendsCorrectPayloadForSmallConfig/notifier.url
 --- PASS: TestSendsCorrectPayloadForSmallConfig (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Content-Type (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Bugsnag-Api-Key (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/device.osName (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/device.hostname (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.name (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.url (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.version (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/app.type (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/app.releaseStage (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/app.version (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/device.osName (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/device.hostname (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.name (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.url (0.00s)
 === RUN   TestSendsCorrectPayloadForBigConfig
 === RUN   TestSendsCorrectPayloadForBigConfig/Bugsnag-Payload-Version
 === RUN   TestSendsCorrectPayloadForBigConfig/Content-Type
@@ -1512,7 +1494,7 @@
 === RUN   TestStartSessionModifiesContext
 --- PASS: TestStartSessionModifiesContext (0.00s)
 === RUN   TestShouldOnlyWriteWhenReceivingSessions
---- PASS: TestShouldOnlyWriteWhenReceivingSessions (1.29s)
+--- PASS: TestShouldOnlyWriteWhenReceivingSessions (0.74s)
 === RUN   TestStartSession
 === RUN   TestConfigDoesNotChangeGivenBlankValues
 --- PASS: TestConfigDoesNotChangeGivenBlankValues (0.00s)
@@ -1522,31 +1504,30 @@
 === RUN   TestSendsCorrectPayloadForSmallConfig/Bugsnag-Payload-Version
 === RUN   TestSendsCorrectPayloadForSmallConfig/Content-Type
 === RUN   TestSendsCorrectPayloadForSmallConfig/Bugsnag-Api-Key
-=== RUN   TestSendsCorrectPayloadForSmallConfig/device.hostname
-=== RUN   TestSendsCorrectPayloadForSmallConfig/notifier.name
 === RUN   TestSendsCorrectPayloadForSmallConfig/notifier.url
 === RUN   TestSendsCorrectPayloadForSmallConfig/notifier.version
 === RUN   TestSendsCorrectPayloadForSmallConfig/app.type
 === RUN   TestSendsCorrectPayloadForSmallConfig/app.releaseStage
 === RUN   TestSendsCorrectPayloadForSmallConfig/app.version
 === RUN   TestSendsCorrectPayloadForSmallConfig/device.osName
+=== RUN   TestSendsCorrectPayloadForSmallConfig/device.hostname
+=== RUN   TestSendsCorrectPayloadForSmallConfig/notifier.name
 --- PASS: TestSendsCorrectPayloadForSmallConfig (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Content-Type (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/Bugsnag-Api-Key (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/device.hostname (0.00s)
-    --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.name (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.url (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.version (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/app.type (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/app.releaseStage (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/app.version (0.00s)
     --- PASS: TestSendsCorrectPayloadForSmallConfig/device.osName (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/device.hostname (0.00s)
+    --- PASS: TestSendsCorrectPayloadForSmallConfig/notifier.name (0.00s)
 === RUN   TestSendsCorrectPayloadForBigConfig
 === RUN   TestSendsCorrectPayloadForBigConfig/Bugsnag-Payload-Version
 === RUN   TestSendsCorrectPayloadForBigConfig/Content-Type
 === RUN   TestSendsCorrectPayloadForBigConfig/Bugsnag-Api-Key
-=== RUN   TestSendsCorrectPayloadForBigConfig/notifier.version
 === RUN   TestSendsCorrectPayloadForBigConfig/app.type
 === RUN   TestSendsCorrectPayloadForBigConfig/app.releaseStage
 === RUN   TestSendsCorrectPayloadForBigConfig/app.version
@@ -1554,11 +1535,11 @@
 === RUN   TestSendsCorrectPayloadForBigConfig/device.hostname
 === RUN   TestSendsCorrectPayloadForBigConfig/notifier.name
 === RUN   TestSendsCorrectPayloadForBigConfig/notifier.url
+=== RUN   TestSendsCorrectPayloadForBigConfig/notifier.version
 --- PASS: TestSendsCorrectPayloadForBigConfig (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/Content-Type (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/Bugsnag-Api-Key (0.00s)
-    --- PASS: TestSendsCorrectPayloadForBigConfig/notifier.version (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/app.type (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/app.releaseStage (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/app.version (0.00s)
@@ -1566,6 +1547,7 @@
     --- PASS: TestSendsCorrectPayloadForBigConfig/device.hostname (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/notifier.name (0.00s)
     --- PASS: TestSendsCorrectPayloadForBigConfig/notifier.url (0.00s)
+    --- PASS: TestSendsCorrectPayloadForBigConfig/notifier.version (0.00s)
 === RUN   TestNoSessionsSentWhenAPIKeyIsMissing
 --- PASS: TestNoSessionsSentWhenAPIKeyIsMissing (0.00s)
 === RUN   TestNoSessionsOutsideNotifyReleaseStages
@@ -1578,73 +1560,31 @@
 === RUN   TestStartSession/Bugsnag-Payload-Version
 === RUN   TestStartSession/Content-Type
 === RUN   TestStartSession/Bugsnag-Api-Key
-=== RUN   TestStartSession/Bugsnag-Payload-Version#01
-=== RUN   TestStartSession/Content-Type#01
-=== RUN   TestStartSession/Bugsnag-Api-Key#01
-=== RUN   TestStartSession/Bugsnag-Payload-Version#02
-=== RUN   TestStartSession/Content-Type#02
-=== RUN   TestStartSession/Bugsnag-Api-Key#02
-=== RUN   TestStartSession/Bugsnag-Payload-Version#03
-=== RUN   TestStartSession/Content-Type#03
-=== RUN   TestStartSession/Bugsnag-Api-Key#03
-=== RUN   TestStartSession/Bugsnag-Payload-Version#04
-=== RUN   TestStartSession/Content-Type#04
-=== RUN   TestStartSession/Bugsnag-Api-Key#04
---- PASS: TestStartSession (1.70s)
+--- PASS: TestStartSession (0.95s)
     --- PASS: TestStartSession/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestStartSession/Content-Type (0.00s)
     --- PASS: TestStartSession/Bugsnag-Api-Key (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#01 (0.00s)
-    --- PASS: TestStartSession/Content-Type#01 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#01 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#02 (0.00s)
-    --- PASS: TestStartSession/Content-Type#02 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#02 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#03 (0.00s)
-    --- PASS: TestStartSession/Content-Type#03 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#03 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#04 (0.00s)
-    --- PASS: TestStartSession/Content-Type#04 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#04 (0.00s)
 PASS
---- PASS: TestShouldOnlyWriteWhenReceivingSessions (1.37s)
+--- PASS: TestShouldOnlyWriteWhenReceivingSessions (0.75s)
 === RUN   TestStartSession
-2025/03/10 11:10:21 bugsnag/notifier.Notify: panic! unexpected call to os.Exit(0) during test
+2026/04/12 17:34:41 bugsnag/notifier.Notify: panic! unexpected call to os.Exit(0) during test
 === RUN   TestStartSession/Bugsnag-Payload-Version
 === RUN   TestStartSession/Content-Type
 === RUN   TestStartSession/Bugsnag-Api-Key
 === RUN   TestStartSession/Bugsnag-Payload-Version#01
 === RUN   TestStartSession/Content-Type#01
 === RUN   TestStartSession/Bugsnag-Api-Key#01
-=== RUN   TestStartSession/Bugsnag-Payload-Version#02
-=== RUN   TestStartSession/Content-Type#02
-=== RUN   TestStartSession/Bugsnag-Api-Key#02
-=== RUN   TestStartSession/Bugsnag-Payload-Version#03
-=== RUN   TestStartSession/Content-Type#03
-=== RUN   TestStartSession/Bugsnag-Api-Key#03
-=== RUN   TestStartSession/Bugsnag-Payload-Version#04
-=== RUN   TestStartSession/Content-Type#04
-=== RUN   TestStartSession/Bugsnag-Api-Key#04
 === NAME  TestStartSession
     integration_test.go:118: Expected 50000 sessions started, but was 50001
---- FAIL: TestStartSession (1.57s)
+--- FAIL: TestStartSession (0.95s)
     --- PASS: TestStartSession/Bugsnag-Payload-Version (0.00s)
     --- PASS: TestStartSession/Content-Type (0.00s)
     --- PASS: TestStartSession/Bugsnag-Api-Key (0.00s)
     --- PASS: TestStartSession/Bugsnag-Payload-Version#01 (0.00s)
     --- PASS: TestStartSession/Content-Type#01 (0.00s)
     --- PASS: TestStartSession/Bugsnag-Api-Key#01 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#02 (0.00s)
-    --- PASS: TestStartSession/Content-Type#02 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#02 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#03 (0.00s)
-    --- PASS: TestStartSession/Content-Type#03 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#03 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Payload-Version#04 (0.00s)
-    --- PASS: TestStartSession/Content-Type#04 (0.00s)
-    --- PASS: TestStartSession/Bugsnag-Api-Key#04 (0.00s)
 FAIL
-ok  	github.com/bugsnag/bugsnag-go/v2/sessions	4.704s
+ok  	github.com/bugsnag/bugsnag-go/v2/sessions	2.864s
 ?   	github.com/bugsnag/bugsnag-go/v2/testutil	[no test files]
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--builddirectory=_build -O--buildsystem=golang
@@ -1673,12 +1613,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: including full source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/1700/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1700/tmp/hooks/B01_cleanup finished
 I: unmounting dev/ptmx filesystem
 I: unmounting dev/pts filesystem
 I: unmounting dev/shm filesystem
 I: unmounting proc filesystem
 I: unmounting sys filesystem
 I: cleaning the build env 
-I: removing directory /srv/workspace/pbuilder/47229 and its subdirectories
-I: Current time: Sun Mar  9 23:10:37 -12 2025
-I: pbuilder-time-stamp: 1741605037
+I: removing directory /srv/workspace/pbuilder/1700 and its subdirectories
+I: Current time: Mon Apr 13 07:34:49 +14 2026
+I: pbuilder-time-stamp: 1776015289