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.

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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.

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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

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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)