Browsers release notes
Posted: 19 Jun 2026, 23:06
New build of Serpent/UXP for XP!
Test binary:
Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260620-3219d2d-uxp-f718564719-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20260620-3219d2d-uxp-f718564719-xpmod.7z
source code that is comparable to my current working tree is available here: https://github.com/roytam1/UXP/commits/custom
IA32 Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260620-3219d2d-uxp-f718564719-xpmod-ia32.7z
source code that is comparable to my current working tree is available here: https://github.com/roytam1/UXP/commits/ia32
NM28XP build:
Win32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260620-d849524bd-uxp-f718564719-xpmod.7z
Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260620-d849524bd-uxp-f718564719-xpmod-ia32.7z
Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260620-d849524bd-uxp-f718564719-xpmod-sse.7z
Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260620-d849524bd-uxp-f718564719-xpmod.7z
Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260620-d849524bd-uxp-f718564719-w7plus-avx2.7z
Official UXP changes picked since my last build:
- Issue #2306 - Re-introduce pref for WeakRef API spec. (8eac1db64b)
- Issue #2306 - Enable full weakref by default in platform. (0bd0d0a296)
- Issue #3122 - Exclude local resources from <base> CSP checks. (692606e89c)
- Bug 2029066 - Remove Sinking of Live instructions. (2712943075)
- Bug 2029765 - avoid refcount over-release in nssTokenObjectCache error path [@ nssToken_Destroy]. (13d8737677)
- [network] Make keep-alive pref Atomic. (f20e0799a0)
- [DOM] Reject too large mLength in MutableBlobStorage::WriteRunnable. (b60661dfe1)
- Bug 2023478 - improve handling of escape sequences in pk11uri_ParseAttributes. (7ae6442d99)
- Bug 2033848 - Use non-default response ID for GTK file picker accept button. r=stransky (81babad165)
- [DOM] Zero-initialize ThreadSharedFloatArrayBufferList. (5ab14e5932)
- No issue - Use ImmGCPtr for module meta data visits. (0bdcc65c4c)
- [parser] Better align with spec definition of adding nodes. (a50e1d7ae5)
- [DOM] Avoid over-optimizing some getter/function calls. (a83b6f74bb)
- [gfx] Check more offsets during CFF subsetting. (9a457cbfd9)
- [network] Make HttpBaseChannel::mLoadFlags atomic. (100f6aaf5b)
No official Pale-Moon changes picked since my last build.
No official Basilisk changes picked since my last build.
Update Notice:
- You may delete file named icudt*.dat and icu63.dll inside program folder when updating from old releases.
* Notice: From now on, UXP rev will point to `custom` branch of my UXP repo instead of MCP UXP repo, while "official UXP changes" shows only `tracking` branch changes.
Test binary:
Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260620-3219d2d-uxp-f718564719-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20260620-3219d2d-uxp-f718564719-xpmod.7z
source code that is comparable to my current working tree is available here: https://github.com/roytam1/UXP/commits/custom
IA32 Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260620-3219d2d-uxp-f718564719-xpmod-ia32.7z
source code that is comparable to my current working tree is available here: https://github.com/roytam1/UXP/commits/ia32
NM28XP build:
Win32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260620-d849524bd-uxp-f718564719-xpmod.7z
Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260620-d849524bd-uxp-f718564719-xpmod-ia32.7z
Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260620-d849524bd-uxp-f718564719-xpmod-sse.7z
Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260620-d849524bd-uxp-f718564719-xpmod.7z
Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260620-d849524bd-uxp-f718564719-w7plus-avx2.7z
Official UXP changes picked since my last build:
- Issue #2306 - Re-introduce pref for WeakRef API spec. (8eac1db64b)
- Issue #2306 - Enable full weakref by default in platform. (0bd0d0a296)
- Issue #3122 - Exclude local resources from <base> CSP checks. (692606e89c)
- Bug 2029066 - Remove Sinking of Live instructions. (2712943075)
- Bug 2029765 - avoid refcount over-release in nssTokenObjectCache error path [@ nssToken_Destroy]. (13d8737677)
- [network] Make keep-alive pref Atomic. (f20e0799a0)
- [DOM] Reject too large mLength in MutableBlobStorage::WriteRunnable. (b60661dfe1)
- Bug 2023478 - improve handling of escape sequences in pk11uri_ParseAttributes. (7ae6442d99)
- Bug 2033848 - Use non-default response ID for GTK file picker accept button. r=stransky (81babad165)
- [DOM] Zero-initialize ThreadSharedFloatArrayBufferList. (5ab14e5932)
- No issue - Use ImmGCPtr for module meta data visits. (0bdcc65c4c)
- [parser] Better align with spec definition of adding nodes. (a50e1d7ae5)
- [DOM] Avoid over-optimizing some getter/function calls. (a83b6f74bb)
- [gfx] Check more offsets during CFF subsetting. (9a457cbfd9)
- [network] Make HttpBaseChannel::mLoadFlags atomic. (100f6aaf5b)
No official Pale-Moon changes picked since my last build.
No official Basilisk changes picked since my last build.
Update Notice:
- You may delete file named icudt*.dat and icu63.dll inside program folder when updating from old releases.
* Notice: From now on, UXP rev will point to `custom` branch of my UXP repo instead of MCP UXP repo, while "official UXP changes" shows only `tracking` branch changes.