Weekly browser binaries (20260418)

New build of Serpent/UXP for XP!

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260418-3219d2d-uxp-d4c4c1f6ec-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20260418-3219d2d-uxp-d4c4c1f6ec-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-20260418-3219d2d-uxp-d4c4c1f6ec-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-20260418-d849524bd-uxp-d4c4c1f6ec-xpmod.7z
Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260418-d849524bd-uxp-d4c4c1f6ec-xpmod-ia32.7z
Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260418-d849524bd-uxp-d4c4c1f6ec-xpmod-sse.7z
Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260418-d849524bd-uxp-d4c4c1f6ec-xpmod.7z
Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260418-d849524bd-uxp-d4c4c1f6ec-w7plus-avx2.7z

Official UXP changes picked since my last build:
- Issue #3003 prerequisite - Split non-sRGB CSS color helpers out of nsCSSParser (c249eee4d1)
- Issue #3003 - Add CSS lch() color parsing support (576265905a)
- Issue #3043 - Fix stack OOB write in nsLocaleService::GetLocaleFromAcceptLanguage bounds checks (3c7ab8a384)
- Issue #3045 - backport of bug 1350760 - atomization fast-path improvements (b44216a883)
- Issue #3047 - Added a null-argument guard in uriloader/exthandler/nsExternalHelperAppService (3836a57d47)

No official Pale-Moon changes picked since my last build.

No official Basilisk changes picked since my last build.

My changes since my last build:
- [Basilisk] update UAO from Dactyloidae fork (a4db612fb8)
- Spoof to Firefox 128 for WebExtensions (ae7c40d461)

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.

---

New build of BOC/UXP for XP!

Test binary:
MailNews Win32 https://o.rthost.win/boc-uxp/mailnews.win32-20260418-40a79c75-uxp-d4c4c1f6ec-xpmod.7z
BNavigator Win32 https://o.rthost.win/boc-uxp/bnavigator.win32-20260418-40a79c75-uxp-d4c4c1f6ec-xpmod.7z

source repo (excluding UXP): https://github.com/roytam1/boc-uxp/tree/custom

* Notice: the profile prefix (i.e. parent folder names) are also changed since 2020-08-15 build, you may rename their names before using new binaries when updating from builds before 2020-08-15.

--

New build of HBL-UXP for XP!

Test binary:
IceDove-UXP(mail) https://o.rthost.win/hbl-uxp/icedove.win32-20260418-id-656ea98-uxp-d4c4c1f6ec-xpmod.7z
IceApe-UXP(suite) https://o.rthost.win/hbl-uxp/iceape.win32-20260418-id-656ea98-ia-c642e3c-uxp-d4c4c1f6ec-xpmod.7z

source repo (excluding UXP):
https://github.com/roytam1/icedove-uxp/tree/winbuild
https://github.com/roytam1/iceape-uxp/tree/winbuild

---

New build of post-deprecated Serpent/moebius for XP!
* Notice: This repo will not be built on regular schedule, and changes are experimental as usual.
** Current moebius patch level should be on par with 52.9, but some security patches can not be applied/ported due to source milestone differences between versions.

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk55-win32-git-20260418-6d817e348-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk55-win64-git-20260418-6d817e348-xpmod.7z

repo: https://github.com/roytam1/basilisk55

Repo changes:
- ported from `custom` branch of UXP: [Basilisk] update UAO from Dactyloidae fork (a4db612f) (f2ff3841c)
- ported from `custom` branch of UXP: Spoof to Firefox 128 for WebExtensions (ae7c40d4) (0a26c24bb)
- ported from UXP: Issue #3003 prerequisite - Split non-sRGB CSS color helpers out of nsCSSParser (c249eee4) (b0180d228)
- import from UXP: Issue #3003 - Add CSS lch() color parsing support (57626590) (1633c82b7)
- import from UXP: Issue #3043 - Fix stack OOB write in nsLocaleService::GetLocaleFromAcceptLanguage bounds checks (3c7ab8a3) (a54588899)
- import from UXP: Issue #3047 - Added a null-argument guard in uriloader/exthandler/nsExternalHelperAppService (3836a57d) (b6e99c67f)
- ported from UXP: Issue #3045 - backport of bug 1350760 - atomization fast-path improvements (b44216a8) (6d817e348)

Weekly browser binaries (20260411)

New build of Serpent/UXP for XP!

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260411-3219d2d-uxp-c8f7030b13-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20260411-3219d2d-uxp-c8f7030b13-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-20260411-3219d2d-uxp-c8f7030b13-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-20260411-d849524bd-uxp-c8f7030b13-xpmod.7z
Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260411-d849524bd-uxp-c8f7030b13-xpmod-ia32.7z
Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260411-d849524bd-uxp-c8f7030b13-xpmod-sse.7z
Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260411-d849524bd-uxp-c8f7030b13-xpmod.7z
Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260411-d849524bd-uxp-c8f7030b13-w7plus-avx2.7z

Official UXP changes picked since my last build:
- Issue #3027 - modify nsGIOService to call libdbus directly instead of using dbus-glib (c97bc33a87)
- Issue #3027 - remove all uses of dbus-glib from widget/ (6ce1b9a8c0)
- Issue #3042 - Add canvas WebGL context `powerPreference` (546e0075dd)

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.

---

New build of BOC/UXP for XP!

Test binary:
MailNews Win32 https://o.rthost.win/boc-uxp/mailnews.win32-20260411-40a79c75-uxp-c8f7030b13-xpmod.7z
BNavigator Win32 https://o.rthost.win/boc-uxp/bnavigator.win32-20260411-40a79c75-uxp-c8f7030b13-xpmod.7z

source repo (excluding UXP): https://github.com/roytam1/boc-uxp/tree/custom

* Notice: the profile prefix (i.e. parent folder names) are also changed since 2020-08-15 build, you may rename their names before using new binaries when updating from builds before 2020-08-15.

--

New build of HBL-UXP for XP!

Test binary:
IceDove-UXP(mail) https://o.rthost.win/hbl-uxp/icedove.win32-20260411-id-656ea98-uxp-c8f7030b13-xpmod.7z
IceApe-UXP(suite) https://o.rthost.win/hbl-uxp/iceape.win32-20260411-id-656ea98-ia-c642e3c-uxp-c8f7030b13-xpmod.7z

source repo (excluding UXP):
https://github.com/roytam1/icedove-uxp/tree/winbuild
https://github.com/roytam1/iceape-uxp/tree/winbuild

---

New build of post-deprecated Serpent/moebius for XP!
* Notice: This repo will not be built on regular schedule, and changes are experimental as usual.
** Current moebius patch level should be on par with 52.9, but some security patches can not be applied/ported due to source milestone differences between versions.

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk55-win32-git-20260411-2f20f30db-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk55-win64-git-20260411-2f20f30db-xpmod.7z

repo: https://github.com/roytam1/basilisk55

Repo changes:
- import from UXP: Issue #3027 - modify nsGIOService to call libdbus directly instead of using dbus-glib (c97bc33a) (ad86e28ed)
- import from UXP: Issue #3027 - remove all uses of dbus-glib from widget/ (6ce1b9a8) (39391a877)
- import from UXP: Issue #3042 - Add canvas WebGL context `powerPreference` (546e0075) (2f20f30db)

Weekly browser binaries (20260404)

New build of Serpent/UXP for XP!

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260404-3219d2d-uxp-4d6414cfd0-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20260404-3219d2d-uxp-4d6414cfd0-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-20260404-3219d2d-uxp-4d6414cfd0-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-20260404-d849524bd-uxp-4d6414cfd0-xpmod.7z
Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260404-d849524bd-uxp-4d6414cfd0-xpmod-ia32.7z
Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260404-d849524bd-uxp-4d6414cfd0-xpmod-sse.7z
Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260404-d849524bd-uxp-4d6414cfd0-xpmod.7z
Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260404-d849524bd-uxp-4d6414cfd0-w7plus-avx2.7z

Official UXP changes picked since my last build:
- Issue #2551 - implement TypedArray.prototype.toSorted (393d890730)
- No issue - Add 10.4 and 26.* SDK versions to KNOWN_SDK_VERSIONS (45ae2d89ff)
- No issue - Add convolver sanity check (09c0393640)
- [XPCOM] Add more validation to SnappyUncompressInputStream (d323fc3012)
- [gfx] Use local statics for harfbuzz callback pointers (b96505c0e3)
- [network] Ignore non-compliant http server header. (0a5af25d60)
- [NSS] Update NSS (custom) (61c6b4c1aa)

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.

---

New build of BOC/UXP for XP!

Test binary:
MailNews Win32 https://o.rthost.win/boc-uxp/mailnews.win32-20260404-40a79c75-uxp-4d6414cfd0-xpmod.7z
BNavigator Win32 https://o.rthost.win/boc-uxp/bnavigator.win32-20260404-40a79c75-uxp-4d6414cfd0-xpmod.7z

source repo (excluding UXP): https://github.com/roytam1/boc-uxp/tree/custom

* Notice: the profile prefix (i.e. parent folder names) are also changed since 2020-08-15 build, you may rename their names before using new binaries when updating from builds before 2020-08-15.

--

New build of HBL-UXP for XP!

Test binary:
IceDove-UXP(mail) https://o.rthost.win/hbl-uxp/icedove.win32-20260404-id-656ea98-uxp-4d6414cfd0-xpmod.7z
IceApe-UXP(suite) https://o.rthost.win/hbl-uxp/iceape.win32-20260404-id-656ea98-ia-c642e3c-uxp-4d6414cfd0-xpmod.7z

source repo (excluding UXP):
https://github.com/roytam1/icedove-uxp/tree/winbuild
https://github.com/roytam1/iceape-uxp/tree/winbuild

---

New build of post-deprecated Serpent/moebius for XP!
* Notice: This repo will not be built on regular schedule, and changes are experimental as usual.
** Current moebius patch level should be on par with 52.9, but some security patches can not be applied/ported due to source milestone differences between versions.

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk55-win32-git-20260404-a02ab89ea-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk55-win64-git-20260404-a02ab89ea-xpmod.7z

repo: https://github.com/roytam1/basilisk55

Repo changes:
- import from UXP: Issue #2551 - implement TypedArray.prototype.toSorted (393d8907) (5a3009a5f)
- import from UXP: No issue - Add convolver sanity check (09c03936) (ae3b17332)
- import from UXP: [XPCOM] Add more validation to SnappyUncompressInputStream (d323fc30) (c0b640264)
- import from UXP: [gfx] Use local statics for harfbuzz callback pointers (b96505c0) (ccae21335)
- import from UXP: [network] Ignore non-compliant http server header. (0a5af25d) (502100149)
- import from UXP: [NSS] Update NSS (custom) (61c6b4c1) (a02ab89ea)

Weekly browser binaries (20260328)

New build of Serpent/UXP for XP!

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260328-3219d2d-uxp-956cd0a5cc-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20260328-3219d2d-uxp-956cd0a5cc-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-20260328-3219d2d-uxp-956cd0a5cc-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-20260328-d849524bd-uxp-956cd0a5cc-xpmod.7z
Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260328-d849524bd-uxp-956cd0a5cc-xpmod-ia32.7z
Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260328-d849524bd-uxp-956cd0a5cc-xpmod-sse.7z
Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260328-d849524bd-uxp-956cd0a5cc-xpmod.7z
Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260328-d849524bd-uxp-956cd0a5cc-w7plus-avx2.7z

Official UXP changes picked since my last build:
- Cloudflare Image Resizing fix (c8460ae3e7)
- Issue #3016 - allow url.CanParse to use custom-scheme bases to match current spec (a704425358)
- Issue #2551 - implement TypedArray.prototype.with (3d131186be)
- Issue #3011 - Part 1: Add As{Text|Html}Editor() and AsEditorBase() (2f20100059)
- Issue #3011 - Part 2: Switch spellchecker root to Shadow DOM. (e701dad7ef)
- Issue #3011 - Part 3: Handle edge case for spellchecking. (964a72079a)
- Issue #3020 - document.currentScript should be null in modules (94ffd74cab)
- Issue #3020 - Update `currentScript` when dealing with shadow DOM. (eee99b32cc)
- Issue #3020 - Clear currentScript after running microtasks (fdee9737a8)
- Issue #2548 - Part 1 - Implement MathML DOM and pre-requisites. https://bugzilla.mozilla.org/show_bug.cgi?id=1571487 Introduce interface mixins. https://bugzilla.mozilla.org/show_bug.cgi?id=1414372 Switch XPathEvaluator to using IDL mixins and remaining users of IDL "implements" over to mixin syntax. https://bugzilla.mozilla.org/show_bug.cgi?id=1574195 Introduce GlobalEventHandlers/DocumentAndElementEventHandlers/ElementCSSInlineStyle mixin. https://bugzilla.mozilla.org/show_bug.cgi?id=1579457 Introduce DocumentAndElementEventHandlers to more closely align with the HTML spec. https://bugzilla.mozilla.org/show_bug.cgi?id=1330457 Remove the use of IsCallerChrome in FetchRequest. https://bugzilla.mozilla.org/show_bug.cgi?id=1335368 (85600c7378)
- Issue #2548 - Part 2 - Collection of WebIDL parsing updates in an attempt to fix partial interface mixin error. We should ensure, at build-time, that partial interfaces are defined in the same file as the interface they extend. Since our build system doesn't really support correct dep builds if they're placed in a different file. https://bugzilla.mozilla.org/show_bug.cgi?id=1333117 WebIDL: Better error message for trying to inherit from a mixin. https://bugzilla.mozilla.org/show_bug.cgi?id=1575384 Fix webidl identifier conflicts involving typedefs to produce saner exceptions. https://bugzilla.mozilla.org/show_bug.cgi?id=1531623 Disallow nullable types for WebIDL constants. https://bugzilla.mozilla.org/show_bug.cgi?id=1535647 Add support for extended attributes on types in Web IDL https://bugzilla.mozilla.org/show_bug.cgi?id=1359269 Allow LenientFloat to be only in a specific overload https://bugzilla.mozilla.org/show_bug.cgi?id=1020975 (81b4f0c352)
- Issue #2548 - Part 3 - Fix some MathML issues encountered since WebIDL works. Add an nsContentUtils API for getting the CallerType of a JSContext. https://bugzilla.mozilla.org/show_bug.cgi?id=1316616 Also added a Fetch() change that was not in the Mozilla patch. (20354b672f)
- Issue #2548 - Part 4 - Fix some missed changes for ElementCSSInlineStyle. Introduce GlobalEventHandlers/DocumentAndElementEventHandlers/ElementCSSInlineStyle mixin. https://bugzilla.mozilla.org/show_bug.cgi?id=1579457 (502c704770)
- Issue #2548 - Part 5 - Implement the HTMLOrForeignElement mixin. https://bugzilla.mozilla.org/show_bug.cgi?id=1577660 Add 'preventScroll' option to HTMLElement's, SVGElement's and XULElement's 'focus' method. https://bugzilla.mozilla.org/show_bug.cgi?id=1374045 (3febe21f99)

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.

---

New build of BOC/UXP for XP!

Test binary:
MailNews Win32 https://o.rthost.win/boc-uxp/mailnews.win32-20260328-40a79c75-uxp-956cd0a5cc-xpmod.7z
BNavigator Win32 https://o.rthost.win/boc-uxp/bnavigator.win32-20260328-40a79c75-uxp-956cd0a5cc-xpmod.7z

source repo (excluding UXP): https://github.com/roytam1/boc-uxp/tree/custom

* Notice: the profile prefix (i.e. parent folder names) are also changed since 2020-08-15 build, you may rename their names before using new binaries when updating from builds before 2020-08-15.

--

New build of HBL-UXP for XP!

Test binary:
IceDove-UXP(mail) https://o.rthost.win/hbl-uxp/icedove.win32-20260328-id-656ea98-uxp-956cd0a5cc-xpmod.7z
IceApe-UXP(suite) https://o.rthost.win/hbl-uxp/iceape.win32-20260328-id-656ea98-ia-c642e3c-uxp-956cd0a5cc-xpmod.7z

source repo (excluding UXP):
https://github.com/roytam1/icedove-uxp/tree/winbuild
https://github.com/roytam1/iceape-uxp/tree/winbuild

---

New build of post-deprecated Serpent/moebius for XP!
* Notice: This repo will not be built on regular schedule, and changes are experimental as usual.
** Current moebius patch level should be on par with 52.9, but some security patches can not be applied/ported due to source milestone differences between versions.

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk55-win32-git-20260328-eb31645dc-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk55-win64-git-20260328-eb31645dc-xpmod.7z

repo: https://github.com/roytam1/basilisk55

Repo changes:
- ported from UXP: Cloudflare Image Resizing fix (c8460ae3) (2d69b6c88)
- ported from UXP: Issue #3016 - allow url.CanParse to use custom-scheme bases to match current spec (a7044253) (0fd3dc434)
- ported from UXP: Issue #2551 - implement TypedArray.prototype.with (3d131186) (1b04d4b0b)
- ported from UXP: Issue #3011 - Part 1: Add As{Text|Html}Editor() and AsEditorBase() (2f201000) (76bf4dc35)
- ported from UXP: Issue #3011 - Part 2: Switch spellchecker root to Shadow DOM. (e701dad7) (984b6e3c3)
- import from UXP: Issue #3011 - Part 3: Handle edge case for spellchecking. (964a7207) (bbe59f5fe)
- import from UXP: Issue #3020 - document.currentScript should be null in modules (94ffd74c) (fc00851a7)
- import from UXP: Issue #3020 - Update `currentScript` when dealing with shadow DOM. (eee99b32) (0db6bb4b5)
- import from UXP: Issue #3020 - Clear currentScript after running microtasks (fdee9737) (c7997448b)
- ported from UXP:
 - Issue #2548 - Part 1 - Implement MathML DOM and pre-requisites. https://bugzilla.mozilla.org/show_bug.cgi?id=1571487 Introduce interface mixins. https://bugzilla.mozilla.org/show_bug.cgi?id=1414372 Switch XPathEvaluator to using IDL mixins and remaining users of IDL "implements" over to mixin syntax. https://bugzilla.mozilla.org/show_bug.cgi?id=1574195 Introduce GlobalEventHandlers/DocumentAndElementEventHandlers/ElementCSSInlineStyle mixin. https://bugzilla.mozilla.org/show_bug.cgi?id=1579457 Introduce DocumentAndElementEventHandlers to more closely align with the HTML spec. https://bugzilla.mozilla.org/show_bug.cgi?id=1330457 Remove the use of IsCallerChrome in FetchRequest. https://bugzilla.mozilla.org/show_bug.cgi?id=1335368 (85600c73)
 - Issue #2548 - Part 2 - Collection of WebIDL parsing updates in an attempt to fix partial interface mixin error. We should ensure, at build-time, that partial interfaces are defined in the same file as the interface they extend. Since our build system doesn't really support correct dep builds if they're placed in a different file. https://bugzilla.mozilla.org/show_bug.cgi?id=1333117 WebIDL: Better error message for trying to inherit from a mixin. https://bugzilla.mozilla.org/show_bug.cgi?id=1575384 Fix webidl identifier conflicts involving typedefs to produce saner exceptions. https://bugzilla.mozilla.org/show_bug.cgi?id=1531623 Disallow nullable types for WebIDL constants. https://bugzilla.mozilla.org/show_bug.cgi?id=1535647 Add support for extended attributes on types in Web IDL https://bugzilla.mozilla.org/show_bug.cgi?id=1359269 Allow LenientFloat to be only in a specific overload https://bugzilla.mozilla.org/show_bug.cgi?id=1020975 (81b4f0c3)
 - Issue #2548 - Part 3 - Fix some MathML issues encountered since WebIDL works. https://bugzilla.mozilla.org/show_bug.cgi?id=1316616 Also added a Fetch() change that was not in the Mozilla patch. (20354b67)
 - Issue #2548 - Part 4 - Fix some missed changes for ElementCSSInlineStyle. Introduce GlobalEventHandlers/DocumentAndElementEventHandlers/ElementCSSInlineStyle mixin. https://bugzilla.mozilla.org/show_bug.cgi?id=157945 (502c7047)
 - Issue #2548 - Part 5 - Implement the HTMLOrForeignElement mixin. https://bugzilla.mozilla.org/show_bug.cgi?id=1577660 Add 'preventScroll' option to HTMLElement's, SVGElement's and XULElement's 'focus' method. https://bugzilla.mozilla.org/show_bug.cgi?id=1374045 (3febe21f) (eb31645dc)

Weekly browser binaries (20260321)

New build of Serpent/UXP for XP!

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260321-3219d2d-uxp-e1ab6d5746-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20260321-3219d2d-uxp-e1ab6d5746-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-20260321-3219d2d-uxp-e1ab6d5746-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-20260321-d849524bd-uxp-e1ab6d5746-xpmod.7z
Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260321-d849524bd-uxp-e1ab6d5746-xpmod-ia32.7z
Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260321-d849524bd-uxp-e1ab6d5746-xpmod-sse.7z
Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260321-d849524bd-uxp-e1ab6d5746-xpmod.7z
Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260321-d849524bd-uxp-e1ab6d5746-w7plus-avx2.7z

Official UXP changes picked since my last build:
- Issue #2987 - Part 1: Add `AnalyserNode` constructor. (f372f32492)
- Issue #2987 - Part 2: Add `AudioBufferSourceNode` constructor. (0cbf609b3f)
- Issue #2987 - Part 3: Add `GainNode` constructor. (c4fa2c5c6f)
- Issue #2987 - Part 4: Add `DelayNode` constructor. (778db35c34)
- Issue #2987 - Part 5: Add `BiQuadFilterNode` constructor. (5b7efa6c93)
- Issue #2987 - Part 6: Add `IIRFilterNode` constructor. (37f7e56e78)
- Issue #2987 - Part 7: Add `WaveShaperNode` constructor. (5c1996d7f2)
- Issue #2987 - Part 8: Add `PannerNode` constructor. (dc27c4a81d)
- Issue #2987 - Part 9: Add `StereoPannerNode` constructor. (5803d8b571)
- Issue #2987 - Part 10: Add `ConvolverNode` constructor. (a11a979b3b)
- Issue #2987 - Part 11: Add `ChannelSplitterNode` constructor. (6894c6849a)
- Issue #2987 - Part 12: Add `ChannelMergerNode` constructor. (abd12bc195)
- Issue #2987 - Part 13: Add `DynamicsCompressorNode` constructor. (f07c3b501e)
- Issue #2987 - Part 14: Add `OscillatorNode` constructor. (304f413c06)
- Issue #2987 - Part 15: Add `PeriodicWave` constructor. (b097097e28)
- Issue #2987 - Part 16: Add `AudioBuffer` constructor. (c86e080a0c)
- Issue #2987 - Part 17: Add `MediaElementAudioSourceNode` constructor. (e9474a5dc0)
- Issue #2987 - Part 18: Add `MediaStreamAudioSourceNode` constructor. (6456244887)
- Issue #2987 - Part 19: Add `MediaStreamAudioDestinationNode` constructor. (5cb44135d1)
- Issue #2997 - Update expat source to 2.7.4 and apply local patches. (c31f629aee)
- Issue #2862 - Initial attempt at a css lowering (ce4b9975db)
- Issue #2862 - add initial nested css test file (fc09c7cb34)
- Issue #2862 - Modify the css lowerer so that the lowering pass now recognizes bare type-selector nested rules and combinator-led cases (34f9837649)
- Issue #2862 - Fix a few nested selectors (d37e667f9a)
- Issue #2862 - Split the css lowering functionality out to a separate file for easier maintenance (d9b66581ac)
- Issue #2862 - more tests files for nested css (3f299e8f2b)
- Issue #2862 - handle more edge cases in css lowering (6d9547c688)
- Issue #2862 - Change code references from CSS lowering to CSS flattening (a6356fff88)
- Issue #2862 - Change tests from lowering to flattening (ac4c7bca08)
- Issue #2862 - Remove unused vars in CSS flattener (72cb599848)
- Issue #2862 - css nesting pref true by default (ea86d15635)
- Issue #3001 - Restore table reference frame call. (e5e86a8124)
- Issue #2229 - Follow-up: Don't attempt on-stack replacement for TLA modules (11b0b680e1)
- Issue #2551 - implement array.prototype.with (d5566bbb0f)
- Issue #2551 - implement array.prototype.toSpliced (7209aaa021)
- Issue #2897 followup - Do not hardcode jemalloc page size on LoongArch (2aec1ada9e)

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.

---

New build of BOC/UXP for XP!

Test binary:
MailNews Win32 https://o.rthost.win/boc-uxp/mailnews.win32-20260321-40a79c75-uxp-e1ab6d5746-xpmod.7z
BNavigator Win32 https://o.rthost.win/boc-uxp/bnavigator.win32-20260321-40a79c75-uxp-e1ab6d5746-xpmod.7z

source repo (excluding UXP): https://github.com/roytam1/boc-uxp/tree/custom

* Notice: the profile prefix (i.e. parent folder names) are also changed since 2020-08-15 build, you may rename their names before using new binaries when updating from builds before 2020-08-15.

--

New build of HBL-UXP for XP!

Test binary:
IceDove-UXP(mail) https://o.rthost.win/hbl-uxp/icedove.win32-20260321-id-656ea98-uxp-e1ab6d5746-xpmod.7z
IceApe-UXP(suite) https://o.rthost.win/hbl-uxp/iceape.win32-20260321-id-656ea98-ia-c642e3c-uxp-e1ab6d5746-xpmod.7z

source repo (excluding UXP):
https://github.com/roytam1/icedove-uxp/tree/winbuild
https://github.com/roytam1/iceape-uxp/tree/winbuild

---

New build of post-deprecated Serpent/moebius for XP!
* Notice: This repo will not be built on regular schedule, and changes are experimental as usual.
** Current moebius patch level should be on par with 52.9, but some security patches can not be applied/ported due to source milestone differences between versions.

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk55-win32-git-20260321-8552c7ed4-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk55-win64-git-20260321-8552c7ed4-xpmod.7z

repo: https://github.com/roytam1/basilisk55

Repo changes:
- import from UXP: Issue #2997 - Update expat source to 2.7.4 and apply local patches. (c31f629a) (f78b7604e)
- ported from UXP:
 - Issue #2862 - Initial attempt at a css lowering (ce4b9975)
 - Issue #2862 - add initial nested css test file (fc09c7cb)
 - Issue #2862 - Modify the css lowerer so that the lowering pass now recognizes bare type-selector nested rules and combinator-led cases (34f98376)
 - Issue #2862 - Fix a few nested selectors (d37e667f)
 - Issue #2862 - Split the css lowering functionality out to a separate file for easier maintenance (d9b66581)
 - Issue #2862 - more tests files for nested css (3f299e8f)
 - Issue #2862 - handle more edge cases in css lowering (6d9547c6)
 - Issue #2862 - Change code references from CSS lowering to CSS flattening (a6356fff)
 - Issue #2862 - Change tests from lowering to flattening (ac4c7bca)
 - Issue #2862 - Remove unused vars in CSS flattener (72cb5998)
 - Issue #2862 - css nesting pref true by default (ea86d156) (91488e277)
- import from UXP: Issue #3001 - Restore table reference frame call. (e5e86a81) (390598bee)
- import from UXP: Issue #2229 - Follow-up: Don't attempt on-stack replacement for TLA modules (11b0b680) (a530696d3)
- ported from UXP: Issue #2551 - implement array.prototype.with (d5566bbb) (6f86c144d)
- import from UXP: Issue #2551 - implement array.prototype.toSpliced (7209aaa0) (751ea453c)
- import from UXP: Issue #2897 followup - Do not hardcode jemalloc page size on LoongArch (2aec1ada) (8552c7ed4)

Weekly browser binaries (20260314)

New build of Serpent/UXP for XP!

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260314-3219d2d-uxp-5b447a5fd9-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20260314-3219d2d-uxp-5b447a5fd9-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-20260314-3219d2d-uxp-5b447a5fd9-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-20260314-d849524bd-uxp-5b447a5fd9-xpmod.7z
Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260314-d849524bd-uxp-5b447a5fd9-xpmod-ia32.7z
Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260314-d849524bd-uxp-5b447a5fd9-xpmod-sse.7z
Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260314-d849524bd-uxp-5b447a5fd9-xpmod.7z
Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260314-d849524bd-uxp-5b447a5fd9-w7plus-avx2.7z

Official UXP changes picked since my last build:
- Support Unicode White Spaces in ParseDate() (9b032a8deb)
- Support All White Spaces in ICU Replacement from PR #2921 (d382d5ecd4)
- Issue #2982 - Initial oklch test implementation (b3ad75b7b3)
- Issue #2982 - Make gradients work in oklch (217f699ce7)
- Issue #2982 - clamp oklab/oklch to [0,1] before conversion to closer match spec (cfe5b73e0c)
- Issue #2982 - Fix regression in previous commit by handling possible floating point issues (ebff6ff38c)
- Issue #2982 - Fix regressions in the previous regression fix commit. (619f221dea)
- Issue #2304 - Part 1 - Prerequisite: Make Handle<Maybe<>> more convenient. This is required to implement JS::NothingHandleValue. https://bugzilla.mozilla.org/show_bug.cgi?id=1631114 (5cdc7737d8)
- Issue #2304 - Part 2 - Prerequisite: Teach GCPolicy about Maybe. https://bugzilla.mozilla.org/show_bug.cgi?id=1377008 (e86d995fb5)
- Issue #2304 - Part 3 - Implement the error cause proposal. https://bugzilla.mozilla.org/show_bug.cgi?id=1679653 (3bd4a50a4b)
- Issue #2304 - Part 4 - Add xray support for the Error cause property. https://bugzilla.mozilla.org/show_bug.cgi?id=1679653 (45aea3be04)
- Issue #2304 - Part 5 - Add cause property when a cause is present. I thought this was just to check whether it should be added, but is necessary. (68df21efea)
- Issue #2981 - Add nullcheck in `GetPointerCapabilities` (8d8c846274)
- No issue - Fix some fatal printing assertions. (01b4ef076f)
- Issue #2990 - implement object.GroupBy (a63b71a398)
- Issue #2978 - Avoid empty replacements in macro expansion. (ce5b57f5be)
- Issue #2978 - Work around macOS WebGL crash on unconsumed vertex attrib arrays (98e1ae01fe)
- Issue #2551 - Implement TypedArray.prototype.toReversed() (c8985c5642)
- Issue #2993 - only use SVE instructions on Apple Silicon (disable on aarch64 Linux) (f13d6e4542)

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.

---

New build of BOC/UXP for XP!

Test binary:
MailNews Win32 https://o.rthost.win/boc-uxp/mailnews.win32-20260314-40a79c75-uxp-5b447a5fd9-xpmod.7z
BNavigator Win32 https://o.rthost.win/boc-uxp/bnavigator.win32-20260314-40a79c75-uxp-5b447a5fd9-xpmod.7z

source repo (excluding UXP): https://github.com/roytam1/boc-uxp/tree/custom

* Notice: the profile prefix (i.e. parent folder names) are also changed since 2020-08-15 build, you may rename their names before using new binaries when updating from builds before 2020-08-15.

--

New build of HBL-UXP for XP!

Test binary:
IceDove-UXP(mail) https://o.rthost.win/hbl-uxp/icedove.win32-20260314-id-656ea98-uxp-5b447a5fd9-xpmod.7z
IceApe-UXP(suite) https://o.rthost.win/hbl-uxp/iceape.win32-20260314-id-656ea98-ia-c642e3c-uxp-5b447a5fd9-xpmod.7z

source repo (excluding UXP):
https://github.com/roytam1/icedove-uxp/tree/winbuild
https://github.com/roytam1/iceape-uxp/tree/winbuild

---

New build of post-deprecated Serpent/moebius for XP!
* Notice: This repo will not be built on regular schedule, and changes are experimental as usual.
** Current moebius patch level should be on par with 52.9, but some security patches can not be applied/ported due to source milestone differences between versions.

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk55-win32-git-20260314-bfaa800ff-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk55-win64-git-20260314-bfaa800ff-xpmod.7z

repo: https://github.com/roytam1/basilisk55

Repo changes:
- import from UXP:
 - Support Unicode White Spaces in ParseDate() (9b032a8d)
 - Support All White Spaces in ICU Replacement from PR #2921 (d382d5ec) (4d820493d)
- ported from UXP: Issue #2982 - Initial oklch test implementation (b3ad75b7) (edca22e78)
- import from UXP: Issue #2982 - Make gradients work in oklch (217f699c) (6b37d5518)
- import from UXP:
 - Issue #2982 - clamp oklab/oklch to [0,1] before conversion to closer match spec (cfe5b73e)
 - Issue #2982 - Fix regression in previous commit by handling possible floating point issues (ebff6ff3)
 - Issue #2982 - Fix regressions in the previous regression fix commit. (619f221d) (89bb7265e)
- ported from UXP:
 - Issue #2304 - Part 1 - Prerequisite: Make Handle<Maybe<>> more convenient. This is required to implement JS::NothingHandleValue. https://bugzilla.mozilla.org/show_bug.cgi?id=1631114 (5cdc7737)
 - Issue #2304 - Part 2 - Prerequisite: Teach GCPolicy about Maybe. https://bugzilla.mozilla.org/show_bug.cgi?id=1377008 (e86d995f)
 - Issue #2304 - Part 3 - Implement the error cause proposal. https://bugzilla.mozilla.org/show_bug.cgi?id=1679653 (3bd4a50a)
 - Issue #2304 - Part 4 - Add xray support for the Error cause property. https://bugzilla.mozilla.org/show_bug.cgi?id=1679653 (45aea3be)
 - Issue #2304 - Part 5 - Add cause property when a cause is present. I thought this was just to check whether it should be added, but is necessary. (68df21ef) (171af8d48)
- import from UXP: Issue #2981 - Add nullcheck in `GetPointerCapabilities` (8d8c8462) (75b143d87)
- import from UXP: No issue - Fix some fatal printing assertions. (01b4ef07) (37f2db0eb)
- import from UXP: Issue #2990 - implement object.GroupBy (a63b71a3) (dc580f7eb)
- ported from UXP: Issue #2978 - Avoid empty replacements in macro expansion. (ce5b57f5) (6514f6bc4)
- import from UXP: Issue #2978 - Work around macOS WebGL crash on unconsumed vertex attrib arrays (98e1ae01) (ad318dba9)
- ported from UXP: Issue #2551 - Implement TypedArray.prototype.toReversed() (c8985c56) (047044f47)
- import from UXP: Issue #2993 - only use SVE instructions on Apple Silicon (disable on aarch64 Linux) (f13d6e45) (bfaa800ff)

Weekly browser binaries (20260307)

New build of Serpent/UXP for XP!

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20260307-3219d2d-uxp-2a33ab0e2c-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20260307-3219d2d-uxp-2a33ab0e2c-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-20260307-3219d2d-uxp-2a33ab0e2c-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-20260307-d849524bd-uxp-2a33ab0e2c-xpmod.7z
Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260307-d849524bd-uxp-2a33ab0e2c-xpmod-ia32.7z
Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20260307-d849524bd-uxp-2a33ab0e2c-xpmod-sse.7z
Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260307-d849524bd-uxp-2a33ab0e2c-xpmod.7z
Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20260307-d849524bd-uxp-2a33ab0e2c-w7plus-avx2.7z

Official UXP changes picked since my last build:
- Issue #2903 - Follow-up: Make types consistent with method used. (275947dbdb)
- Issue #2551 - Implement ES2023 array.Prototype.toReversed() (0b605b4b7f)
- Issue #2551 - toSorted followup to be 100% ECMA compliant (35a5dc9360)
- No Issue - Fix clang builds on 32-bit ARM Linux. The clang integrated assembler can't handle these files. (825c1f4f81)
- Issue #2957 - make WeakRefObject finalize on main thread (no background finalize) (2ea7b7945d)
- Issue #2976 - Implement ES2018 Proxy `ownKeys` duplicate-key invariant and update affected conformance tests. (1abd7ebd10)

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.

---

New build of BOC/UXP for XP!

Test binary:
MailNews Win32 https://o.rthost.win/boc-uxp/mailnews.win32-20260307-40a79c75-uxp-2a33ab0e2c-xpmod.7z
BNavigator Win32 https://o.rthost.win/boc-uxp/bnavigator.win32-20260307-40a79c75-uxp-2a33ab0e2c-xpmod.7z

source repo (excluding UXP): https://github.com/roytam1/boc-uxp/tree/custom

* Notice: the profile prefix (i.e. parent folder names) are also changed since 2020-08-15 build, you may rename their names before using new binaries when updating from builds before 2020-08-15.

--

New build of HBL-UXP for XP!

Test binary:
IceDove-UXP(mail) https://o.rthost.win/hbl-uxp/icedove.win32-20260307-id-656ea98-uxp-2a33ab0e2c-xpmod.7z
IceApe-UXP(suite) https://o.rthost.win/hbl-uxp/iceape.win32-20260307-id-656ea98-ia-c642e3c-uxp-2a33ab0e2c-xpmod.7z

source repo (excluding UXP):
https://github.com/roytam1/icedove-uxp/tree/winbuild
https://github.com/roytam1/iceape-uxp/tree/winbuild

---

New build of post-deprecated Serpent/moebius for XP!
* Notice: This repo will not be built on regular schedule, and changes are experimental as usual.
** Current moebius patch level should be on par with 52.9, but some security patches can not be applied/ported due to source milestone differences between versions.

Test binary:
Win32 https://o.rthost.win/basilisk/basilisk55-win32-git-20260307-f45a54760-xpmod.7z
Win64 https://o.rthost.win/basilisk/basilisk55-win64-git-20260307-f45a54760-xpmod.7z

repo: https://github.com/roytam1/basilisk55

Repo changes:
- import from UXP: Issue #2903 - Follow-up: Make types consistent with method used. (275947db) (956ca03a2)
- import from UXP: Issue #2551 - Implement ES2023 array.Prototype.toReversed() (0b605b4b) (aa2afa845)
- import from UXP: Issue #2551 - toSorted followup to be 100% ECMA compliant (35a5dc93) (1504eac13)
- import from UXP: No Issue - Fix clang builds on 32-bit ARM Linux. The clang integrated assembler can't handle these files. (825c1f4f) (26bbb0139)
- import from UXP: Issue #2957 - make WeakRefObject finalize on main thread (no background finalize) (2ea7b794) (fecb9d1f6)
- ported from UXP: Issue #2976 - Implement ES2018 Proxy `ownKeys` duplicate-key invariant and update affected conformance tests. (1abd7ebd) (f45a54760)