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New build of Serpent/UXP for XP! Test binary: Win32 https://o.rthost.win/basilisk/basilisk52-g4.8.win32-git-20250517-3219d2d-uxp-296db1641b-xpmod.7z Win64 https://o.rthost.win/basilisk/basilisk52-g4.8.win64-git-20250517-3219d2d-uxp-296db1641b-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-20250517-3219d2d-uxp-296db1641b-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-20250517-d849524bd-uxp-296db1641b-xpmod.7z Win32 IA32 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20250517-d849524bd-uxp-296db1641b-xpmod-ia32.7z Win32 SSE https://o.rthost.win/palemoon/palemoon-28.10.7a1.win32-git-20250517-d849524bd-uxp-296db1641b-xpmod-sse.7z Win64 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20250517-d849524bd-uxp-296db1641b-xpmod.7z Win7+ x64 AVX2 https://o.rthost.win/palemoon/palemoon-28.10.7a1.win64-git-20250517-d849524bd-uxp-296db1641b-w7plus-avx2.7z Official UXP changes picked since my last build: - No issue - Include all non-ubiquitous image and media types in nav Accept: (0e02e94278) - No issue - Explicitly indicate image/apng in `Accept:` header (055765d101) - No Issue - Fix incorrectly written pref name (40e01c31e4) - No Issue - Fixes for building with LLVM 19 included with FreeBSD 13.5. Fix a conflict with libc++ 19 and the old Mozilla (re)alloc macros. LLVM 18+ does not allow std::char_traits<unsigned char> so avoid it. https://bugzilla.mozilla.org/show_bug.cgi?id=1849070 Partial NSS upgrade to replace ByteString with a class. https://bugzilla.mozilla.org/show_bug.cgi?id=1851092 (e8b3077d4f) - No issue - Bump general.useragent.compatMode.version to 128.0 (facab7f0ab) - No Issue - Remove obsolete pref. (422ca16a8e) - Issue #2736 - Part 1: Provide more consistent principals to CSP. (9ad680cfc4) - Issue #2736 - Part 2: Pass subject principal to SetAttribute and friends. (824d0cad58) - Issue #2736 - Part 3: Use `TriggeringPrincipal` for image loads. (166b25a42c) - Issue #2736 - Part 4: Re-work img `<src>` attribute. (c8db9efb3c) - Issue #2736 - Part 5: Re-work img `<srcset>` attribute. (2bdb9f3d85) - Issue #2736 - Part 6: Re-work <script> `src` attribute. (1f638b22ec) - Issue #2736 - Part 7: Re-work <frame> and <iframe> `src` attribute. (2416e71cd3) - Issue #2736 - Part 8: Re-work <video> and <audio> `src` attribute. (b6bdce6f98) - Issue #2736 - Part 9: Re-work <source> `src` attribute. (b1b5062dc4) - Issue #2736 - Part 10: Re-work <source> `srcset` attribute. (faf4f2c23f) - Issue #2736 - Part 11: Re-work <input> `src` attribute. (dde21838de) - Issue #2736 - Part 12: Re-work style <link> `href` attribute. (60ad5b2ffd) - Issue #2736 - Follow-up: Fix line endings in nsGenericHTMLFrameElement.h (727acf7b3f) - Issue #2736 - Part 13: Override page CSP for loads by expanded principals. (9847e9f759) - Issue #2736 - Part 14: Make CSP-enabled available to workers. (53a6f6349d) 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 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 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-20250517-c2f7c8359-xpmod.7z Win64 https://o.rthost.win/basilisk/basilisk55-win64-git-20250517-c2f7c8359-xpmod.7z repo: https://github.com/roytam1/basilisk55 Repo changes: - import from UXP: No issue - Include all non-ubiquitous image and media types in nav Accept: (0e02e942) (fde26a193) - import from UXP: No issue - Explicitly indicate image/apng in `Accept:` header (055765d1) (395bab66e) - import from UXP: No Issue - Fix incorrectly written pref name (40e01c31) (29041562f) - import from UXP: No Issue - Fixes for building with LLVM 19 included with FreeBSD 13.5. Fix a conflict with libc++ 19 and the old Mozilla (re)alloc macros. LLVM 18+ does not allow std::char_traits<unsigned char> so avoid it. https://bugzilla.mozilla.org/show_bug.cgi?id=1849070 Partial NSS upgrade to replace ByteString with a class. https://bugzilla.mozilla.org/show_bug.cgi?id=1851092 (e8b3077d) (8a4ba96e2) - ported from UXP: No issue - Bump general.useragent.compatMode.version to 128.0 (facab7f0) (e77671e81) - ported from UXP: Issue #2736 - Part 1: Provide more consistent principals to CSP. (9ad680cf) (3cc87110c) - ported from UXP: Issue #2736 - Part 2: Pass subject principal to SetAttribute and friends. (824d0cad) (058c37fa0) - ported from UXP: Issue #2736 - Part 3: Use `TriggeringPrincipal` for image loads. (166b25a4) (70eba97bf) - import from UXP: Issue #2736 - Part 4: Re-work img `<src>` attribute. (c8db9efb) (4f874413c) - import from UXP: Issue #2736 - Part 5: Re-work img `<srcset>` attribute. (2bdb9f3d) (22c94d27d) - import from UXP: Issue #2736 - Part 6: Re-work <script> `src` attribute. (1f638b22) (79991b522) - ported from UXP: Issue #2736 - Part 7: Re-work <frame> and <iframe> `src` attribute. (2416e71c) (097ef177e) - import from UXP: Issue #2736 - Part 8: Re-work <video> and <audio> `src` attribute. (b6bdce6f) (9c111f82f) - import from UXP: Issue #2736 - Part 9: Re-work <source> `src` attribute. (b1b5062d) (84759664a) - import from UXP: Issue #2736 - Part 10: Re-work <source> `srcset` attribute. (faf4f2c2) (939dade79) - import from UXP: Issue #2736 - Part 11: Re-work <input> `src` attribute. (dde21838) (747190ee5) - import from UXP: Issue #2736 - Part 12: Re-work style <link> `href` attribute. (60ad5b2f) (206c5b2a8) - ported from UXP: Issue #2736 - Part 13: Override page CSP for loads by expanded principals. (9847e9f7) (2f5762f73) - ported from UXP: Issue #2736 - Part 14: Make CSP-enabled available to workers. (53a6f634) (c2f7c8359)

New build of BOC/UXP for XP! Test binary: MailNews Win32 https://o.rthost.win/boc-uxp/mailnews.win32-20250517-7bda12e7-uxp-296db1641b-xpmod.7z BNavigator Win32 https://o.rthost.win/boc-uxp/bnavigator.win32-20250517-7bda12e7-uxp-296db1641b-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.win32-20250517-id-656ea98-uxp-296db1641b-xpmod.7z IceApe-UXP(suite) https://o.rthost.win/hbl-uxp/iceape.win32-20250517-id-656ea98-ia-c642e3c-uxp-296db1641b-xpmod.7z source repo (excluding UXP): https://github.com/roytam1/icedove-uxp/tree/winbuild https://github.com/roytam1/iceape-uxp/tree/winbuild

Sandbox working

@Dietmar @reboot12 @Mov AX, 0xDEAD I discovered this today. https://github.com/FlyGoat/csmwrap Hopefully this means we can boot XP x86 on UEFI class 3 systems now.

Yeeeeeeaaaaaaaaaaa!!! This works First time WinXP 32-bit on UEFI 64-bit using CSMWrap 1.1.0 virt-manager QEMU on Debian 9, OVMF_CODE-pure-efi.fd 64-bit 2016, passthrough PCIe AMD6450 graphics card (drivers installed), bootmgr + winload.exe 5472 x86 (patched) + BCD Virtual graphics card VGA - stuck on aurora boot screen but WinXP work on AMD 6450: Test on real hardware Asus H61 iGPU - works in safe mode in 800x600 on vga.sys - GUID 23A set to 800x600 60Hz If change GUID 23A to e.g. 3840x2160 1Hz then safe mode work in 1024x768:

I already know what is messing up Chromium 127+ It is the kernel32.dll and kernelbase.dll version checking. I rewrote it to return a false value for them indicating Win 10, and here is the result: The latest versions also use IsWindowArranged from user32, which is absent in 8.1 - possible to be replaced by, for example, IsWindowVisible. Now it remains for me to write my own version of UpdateProcThreadAttribute.

How do I replace the white field with the iconic Feldrau colour? On Windows 7 or 8 without the Stuff Pck 1. Thanks!

A very good idea, but what to do with XP sound quality, which will still remain awful, cheaply sounding resampled 48Khz, very similar to mp3 128kb? No matter how many pro grade sound cards I tried, all was terrible until NT6.0, and then got downhill with the release of Windows 7, going further donm with 8 and 10. How's the sound in 11? My cards have no drivers for 11.

If you are accusing me of plagiarism, using Simplified Chinese terms and employing AI translation, I demand that you provide concrete evidence. In fact, I have previously pointed out that your translations frequently deviate from Microsoft's official Taiwanese Traditional Chinese terminology standards. And I have reported such issues to you. I insist that you cease making baseless accusations against me. I think before you make baseless accusations against me, you should first fix your own issues like using inaccurate terminology, rigidly translating without considering context, and mistranslating word meanings (such as confusing "data" with "date"). Additionally, regarding the issue of ‌Simplified Chinese terminology‌ you mentioned, this occurred because the software author used an older version of my translation. I have already provided the latest revised version in the thread, but the author has not yet applied the updates.

This is complete nonsense.

After all my measures, and I performed many of them, I have to confirm my last null hypothesis H0. Thorium behaves unstably on my Windows XP Pro SP3 without POSReady. Sometimes, the browser opens and lasts for a few seconds or minutes, very often the browser closes during startup. There is no recognisable pattern. I also tried different combinations of command line flags. No success. The internal site chrome://metrics-internals/ doesn't provide any information on my old machine. The good thing about the story is that my Windows XP Pro SP3 without POSReady installation is now absolutely error-free and updated.

Yep! Same here. I have never installed Thorium using the install batch file or the REG files provided in the downloaded archive file. BTW, these should have to be adjusted to the respective system if you want to use them. Furthermore, the REG files contain syntax errors. For me, Thorium have been running error-free on my Windows XP Pro SP3 + POSReady for months by only extracting the archive and using a batch file or loader with command line flags for starting. But on my Windows XP Pro SP3 without POSReady, it permanently crashes and behaves unstably.

That's good to know. In both systems, all runtimes have been installed.

Thanks for replying! And yes, I know very well your opinion about POSReady updates for Windows XP. But on my computer, Thorium only works in my Windows XP system with all POSReady updates. Maybe by accident, and there is another causer for my described issue. That's all a bit strange. Are there any specific requirements for Thorium in terms of system software, especially regarding runtime libraries and so on?

Now, a question to all who are running Thorium under Windows XP Professional SP3 with all updates after SP3 but without any POSReady updates. Does Thorium work under these conditions? I have two Windows XP installations, one with and one without POSReady updates. When I start Thorium on Windows XP without POSReady updates, it crashes randomly without any messages. With crashing I mean a sudden closing of the browser without any actions by me, either directly when starting the browser or seconds respectively minutes later.

@Dave-H If your plan doesn't work, consider my strategy then. The steps are necessary for further steps I wanted to perform. And I don't know whether they work with an old Chrome as default. The Internet Explorer is automatically set as default browser by Windows XP if no other has been set by the user.