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[PATCH v9 0/1] MR10339: quartz/tests: Add tests for IMediaSeeking time formats in avisplit.
by José Luis Jiménez López March 16, 2026

March 16, 2026

Added comprehensive tests for IMediaSeeking_ConvertTimeFormat. Replaced magic numbers with descriptive constants. Verified on Windows 10. Signed-off-by: José Luis Jiménez López josejl1987(a)gmail.com -- v9: quartz/tests/avisplit: Add tests for IMediaSeeking time formats. https://gitlab.winehq.org/wine/wine/-/merge_requests/10339

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[PATCH 0/2] MR10332: ddraw/tests: Fix vertex winding in test_ck_rgba.
by Stefan Dösinger March 16, 2026

March 16, 2026

On recent Windows 11 versions, probably starting with 26H1, RGB software devices accidentally enable culling by default for transformed geometry. Since this test is run on RGB in addition to HAL devices that causes failues. HAL devices are fine either way, and ddraw2+ looks OK too. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10332

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[PATCH v3 0/1] MR10348: ntdll: Avoid expensive inverted DST check on get_timezone_info() cache hit path
by Zhou Qiankang (＠wszqkzqk) March 16, 2026

March 16, 2026

inverted DST detection (two mktime() calls) out of the cache hit fast path in get_timezone_info(). Keep the cache key based on the cheap raw bias value and only compute inverted_dst/adjusted_bias on cache miss. Preserve the inverse DST correctness fix by still applying adjusted_bias to tzi->Bias in the slow path. This restores fast-path behavior for frequent GetTimeZoneInformation callers without regressing inverse DST handling. Fixes regression: bfae6eb8b4f6 ("ntdll: Fix get_timezone_info() for timezones defined with inverse DST on Unix.") Fixes: https://bugs.winehq.org/show_bug.cgi?id=59514 ## Test results Using a simple test demo: [time_bench.c](/uploads/700a5b087b09a0d93388dbcf437ad42d/time_bench.c) On AMD Ryzen 5800H with power connected it's **24 times** faster. Wine 11.4 without this fix: ``` iterations: 10000 time() : 1.093640 s (109364 ns/call) localtime() : 1.109118 s (110912 ns/call) sink=17736685140379 ``` With this fix: ``` iterations: 10000 time() : 0.046216 s (4622 ns/call) localtime() : 0.046636 s (4664 ns/call) sink=17736685140000 ``` -- v3: ntdll: Avoid expensive inverted DST check on get_timezone_info() cache hit path https://gitlab.winehq.org/wine/wine/-/merge_requests/10348

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[PATCH v2 0/1] MR10348: ntdll: Avoid expensive inverted DST check on get_timezone_info() cache hit path
by Zhou Qiankang (＠wszqkzqk) March 16, 2026

March 16, 2026

inverted DST detection (two mktime() calls) out of the cache hit fast path in get_timezone_info(). Keep the cache key based on the cheap raw bias value and only compute inverted_dst/adjusted_bias on cache miss. Preserve the inverse DST correctness fix by still applying adjusted_bias to tzi->Bias in the slow path. This restores fast-path behavior for frequent GetTimeZoneInformation callers without regressing inverse DST handling. Fixes regression: bfae6eb8b4f6 ("ntdll: Fix get_timezone_info() for timezones defined with inverse DST on Unix.") Fixes: https://bugs.winehq.org/show_bug.cgi?id=59514 ## Test results Using a simple test demo: [time_bench.c](/uploads/700a5b087b09a0d93388dbcf437ad42d/time_bench.c) On AMD Ryzen 5800H with power connected it's **24 times** faster. Wine 11.4 without this fix: ``` iterations: 10000 time() : 1.093640 s (109364 ns/call) localtime() : 1.109118 s (110912 ns/call) sink=17736685140379 ``` With this fix: ``` iterations: 10000 time() : 0.046216 s (4622 ns/call) localtime() : 0.046636 s (4664 ns/call) sink=17736685140000 ``` -- v2: ntdll: Avoid expensive inverted DST check on get_timezone_info() cache hit path https://gitlab.winehq.org/wine/wine/-/merge_requests/10348

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[PATCH 0/1] MR10350: server: Cache timezone bias adjustment in set_user_shared_data_time().
by Paul Gofman (＠gofman) March 16, 2026

March 16, 2026

-- https://gitlab.winehq.org/wine/wine/-/merge_requests/10350

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[PATCH 0/1] MR10348: ntdll: Avoid expensive inverted DST check on get_timezone_info() cache hit path
by Zhou Qiankang (＠wszqkzqk) March 16, 2026

March 16, 2026

inverted DST detection (two mktime() calls) out of the cache hit fast path in get_timezone_info(). Keep the cache key based on the cheap raw bias value and only compute inverted_dst/adjusted_bias on cache miss. Preserve the inverse DST correctness fix by still applying adjusted_bias to tzi->Bias in the slow path. This restores fast-path behavior for frequent GetTimeZoneInformation callers without regressing inverse DST handling. Fixes regression: bfae6eb8b4f6 ("ntdll: Fix get_timezone_info() for timezones defined with inverse DST on Unix.") Fixes: https://bugs.winehq.org/show_bug.cgi?id=59514 Signed-off-by: Zhou Qiankang <wszqkzqk(a)qq.com> -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10348

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[PATCH 0/14] MR10349: opengl32: Implement wglGetProcAddress on the client side.
by Jacek Caban (＠jacek) March 16, 2026

March 16, 2026

And rework extensions parser. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10349

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[PATCH v12 0/8] MR10019: opengl32: Move wglGetProcAddress implementation to the PE side.
by Rémi Bernon March 16, 2026

March 16, 2026

This better splits client / host extension lists, allowing to more easily check for available host-side extensions in win32u later on, then moves the function registry to the PE side to get rid of the remaining extension logic in opengl32 unix side. Doing that, it also drops the driver function check, and always expose extension functions to the client if their extension dependency is satisfied. I'm not completely sure this is right, but I think the unix side tends to expose functions from eglGetProcAddress more often than the opposite. We could also keep a mechanism to check the driver availability, with a bit of additional complexity. On the unix side, all OpenGL functions are queried on initialization instead of just core functions, simplifying their use later on. -- v12: opengl32: Implement the function registry on the PE side. win32u: Query every OpenGL functions on initialization. opengl32: Implement client extension enumeration on the PE side. opengl32: Move major / minor version to the PE side context wrapper. opengl32: Parse host extension list to the opengl_extensions struct. opengl32: Remove now unused wgl pixel format unix thunks. opengl32: Implement wglGetExtensionsString(ARB|EXT) on the PE side. opengl32: Initialize enabled / disabled OpenGL extensions struct. https://gitlab.winehq.org/wine/wine/-/merge_requests/10019

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[PATCH 0/2] MR10347: include: Update definition of CERT_CHAIN_ENGINE_CONFIG.
by Hans Leidekker (＠hans) March 16, 2026

March 16, 2026

-- https://gitlab.winehq.org/wine/wine/-/merge_requests/10347

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[PATCH 0/7] MR10346: winhttp: Add decompression support.
by Hans Leidekker (＠hans) March 16, 2026

March 16, 2026

-- https://gitlab.winehq.org/wine/wine/-/merge_requests/10346

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