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[PATCH v14 0/13] MR10611: LPC: Implement proper LPC system
by Rose Hellsing (＠axtlos) April 18, 2026

April 18, 2026

Until now, LPC was just a stub, any application that relied on LPC for communication would fail. This change implements parts of LPC, to allow for IPC between programs. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=30069 - fully fixed, sqlservr is able to run as expected Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59494 - partially fixed, starmoney doesn't flat out crash anymore, but it doesn't start fully, possibly because it uses the ALPC system which was introduced in Windows Vista, the version Starmoney 10 was advertised for -- v14: ntdll/tests: Add LPC port error handling tests. server: Handle LPC port close to break circular references. ntdll: Implement NtRegisterThreadTerminatePort. server: Implement LPC thread termination notification. ntdll: Implement NtReplyPort, NtReplyWaitReceivePort and NtReplyWaitReceivePortEx. ntdll: Implement NtRequestPort and NtRequestWaitReplyPort. server: Implement LPC message request and reply handlers. ntdll: Implement NtListenPort, NtAcceptConnectPort and NtCompleteConnectPort. ntdll: Implement NtConnectPort and NtSecureConnectPort. server: Implement LPC connection acceptance and completion. server: Implement LPC connection request and listen handlers. ntdll: Implement NtCreatePort and NtCreateWaitablePort. https://gitlab.winehq.org/wine/wine/-/merge_requests/10611

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[PATCH v6 0/3] MR10603: win32u/freetype: Fix tmExternalLeading for CFF fonts.
by Arie Miller (＠Arimil) April 17, 2026

April 17, 2026

This fixes font scaling issues with CFF fonts this was discovered from games utilizing DxLib. https://github.com/yumetodo/DxLib/tree/master https://dxlib.xsrv.jp/index.html I've ran tests on Windows and to confirm that this change is consistent with a number of fonts. Before: ![image.png](/uploads/a398d5543df8561f1a6fbe9edded3b45/image.png){width="801" height="600"} After (this matches the windows visual from testing in a VM): ![image.png](/uploads/cf4e4c8753b3482dd24211b519a5fe23/image.png){width="767" height="572"} Related Proton Issue: https://github.com/ValveSoftware/Proton/issues/7299 Full Disclosure: An LLM was used to assist in finding this bug, the original fix written by the LLM wrote a loader binary that changed the pointers for `GetTextMetricsA` and `GetTextMetricsW` to point to a custom implementation that always set `tmExternalLeading`. The LLM determined that `GDI returns 0 when (winAscent + winDescent) > (Ascender - Descender)`, after testing on WIndows I found this to be incorrect, the actual difference is that CFF fonts always set `tmExternalLeading` to 0. ~~The test case for this fix was LLM generated but reviewed and tested on both Windows and Linux by me.~~ Test case: ``` WINEPREFIX=/tmp/wine-font winetricks allfonts WINEPREFIX=/tmp/wine-font ./loader/wine ./dlls/gdi32/tests/i386-windows/gdi32_test.exe ``` Patched: ``` font.c:4266: test_CFF_external_leading: tested 51 CFF fonts (0 failures) ``` Unpatched Wine: ``` font.c:4266: test_CFF_external_leading: tested 51 CFF fonts (51 failures) ``` Windows 11: ``` font.c:4266: test_CFF_external_leading: tested 48 CFF fonts (0 failures) ``` -- v6: gdi32: Add test for tmExternalLeading for CFF fonts. tools: Suport generation of otf fonts. win32u/freetype: Fix tmExternalLeading for CFF fonts. https://gitlab.winehq.org/wine/wine/-/merge_requests/10603

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Re: [PATCH v4 0/1] MR10528: oleaut32: Add fast paths for VarAdd and VarCmp with integer operands.
by Francis De Brabandere (＠francisdb) April 17, 2026

April 17, 2026

Numbers updated for latest master and rebased. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10528#note_136873

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[PATCH v5 0/4] MR10659: combase: Implement restricted WinRT error handling APIs.
by Anna R Békefi (＠annareginabekefi) April 17, 2026

April 17, 2026

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58900 Bug 58900 This series implements restricted WinRT error handling in combase and\ adds conformance tests for the new behavior. Implemented APIs include restricted error creation / retrieval,\ error context capture, transform, matching, and unhandled error reporting\ paths. Tests were added under dlls/combase/tests and pass locally.\ The existing combase tests also continue to pass. -- v5: combase/tests: Temporarily trim restricted error handling coverage. https://gitlab.winehq.org/wine/wine/-/merge_requests/10659

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[PATCH 0/2] MR10695: ntdll: Improvements for RtlVirtualUnwind2 with NULL output handler data.
by Paul Gofman (＠gofman) April 17, 2026

April 17, 2026

-- https://gitlab.winehq.org/wine/wine/-/merge_requests/10695

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[PATCH v5 0/2] MR10603: win32u/freetype: Fix tmExternalLeading for CFF fonts.
by Arie Miller (＠Arimil) April 17, 2026

April 17, 2026

This fixes font scaling issues with CFF fonts this was discovered from games utilizing DxLib. https://github.com/yumetodo/DxLib/tree/master https://dxlib.xsrv.jp/index.html I've ran tests on Windows and to confirm that this change is consistent with a number of fonts. Before: ![image.png](/uploads/a398d5543df8561f1a6fbe9edded3b45/image.png){width="801" height="600"} After (this matches the windows visual from testing in a VM): ![image.png](/uploads/cf4e4c8753b3482dd24211b519a5fe23/image.png){width="767" height="572"} Related Proton Issue: https://github.com/ValveSoftware/Proton/issues/7299 Full Disclosure: An LLM was used to assist in finding this bug, the original fix written by the LLM wrote a loader binary that changed the pointers for `GetTextMetricsA` and `GetTextMetricsW` to point to a custom implementation that always set `tmExternalLeading`. The LLM determined that `GDI returns 0 when (winAscent + winDescent) > (Ascender - Descender)`, after testing on WIndows I found this to be incorrect, the actual difference is that CFF fonts always set `tmExternalLeading` to 0. ~~The test case for this fix was LLM generated but reviewed and tested on both Windows and Linux by me.~~ Test case: ``` WINEPREFIX=/tmp/wine-font winetricks allfonts WINEPREFIX=/tmp/wine-font ./loader/wine ./dlls/gdi32/tests/i386-windows/gdi32_test.exe ``` Patched: ``` font.c:4266: test_CFF_external_leading: tested 51 CFF fonts (0 failures) ``` Unpatched Wine: ``` font.c:4266: test_CFF_external_leading: tested 51 CFF fonts (51 failures) ``` Windows 11: ``` font.c:4266: test_CFF_external_leading: tested 48 CFF fonts (0 failures) ``` -- v5: gdi32: Add test for tmExternalLeading for CFF fonts. win32u/freetype: Fix tmExternalLeading for CFF fonts. https://gitlab.winehq.org/wine/wine/-/merge_requests/10603

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[PATCH v13 0/13] MR10611: LPC: Implement proper LPC system
by Rose Hellsing (＠axtlos) April 17, 2026

April 17, 2026

Until now, LPC was just a stub, any application that relied on LPC for communication would fail. This change implements parts of LPC, to allow for IPC between programs. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=30069 - fully fixed, sqlservr is able to run as expected Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59494 - partially fixed, starmoney doesn't flat out crash anymore, but it doesn't start fully, possibly because it uses the ALPC system which was introduced in Windows Vista, the version Starmoney 10 was advertised for -- v13: ntdll/tests: Add LPC port error handling tests. server: Handle LPC port close to break circular references. ntdll: Implement NtRegisterThreadTerminatePort. server: Implement LPC thread termination notification. ntdll: Implement NtReplyPort, NtReplyWaitReceivePort and NtReplyWaitReceivePortEx. ntdll: Implement NtRequestPort and NtRequestWaitReplyPort. server: Implement LPC message request and reply handlers. ntdll: Implement NtListenPort, NtAcceptConnectPort and NtCompleteConnectPort. ntdll: Implement NtConnectPort and NtSecureConnectPort. server: Implement LPC connection acceptance and completion. server: Implement LPC connection request and listen handlers. ntdll: Implement NtCreatePort and NtCreateWaitablePort. server: Add LPC port object infrastructure. https://gitlab.winehq.org/wine/wine/-/merge_requests/10611

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[PATCH 0/1] MR10694: po: update Polish translation
by Adam Markowski (＠AMark) April 17, 2026

April 17, 2026

-- https://gitlab.winehq.org/wine/wine/-/merge_requests/10694

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[PATCH v12 0/13] MR10611: LPC: Implement proper LPC system
by Rose Hellsing (＠axtlos) April 17, 2026

April 17, 2026

Until now, LPC was just a stub, any application that relied on LPC for communication would fail. This change implements parts of LPC, to allow for IPC between programs. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=30069 - fully fixed, sqlservr is able to run as expected Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59494 - partially fixed, starmoney doesn't flat out crash anymore, but it doesn't start fully, possibly because it uses the ALPC system which was introduced in Windows Vista, the version Starmoney 10 was advertised for -- v12: ntdll/tests: Add LPC port error handling tests. server: Handle LPC port close to break circular references. ntdll: Implement NtRegisterThreadTerminatePort. server: Implement LPC thread termination notification. ntdll: Implement NtReplyPort, NtReplyWaitReceivePort and NtReplyWaitReceivePortEx. ntdll: Implement NtRequestPort and NtRequestWaitReplyPort. server: Implement LPC message request and reply handlers. ntdll: Implement NtListenPort, NtAcceptConnectPort and NtCompleteConnectPort. ntdll: Implement NtConnectPort and NtSecureConnectPort. server: Implement LPC connection acceptance and completion. server: Implement LPC connection request and listen handlers. ntdll: Implement NtCreatePort and NtCreateWaitablePort. server: Add LPC port object infrastructure. https://gitlab.winehq.org/wine/wine/-/merge_requests/10611

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[PATCH v11 0/1] MR10393: Draft: vbscript: Check named item dispatch for Dim variable names.
by Francis De Brabandere (＠francisdb) April 17, 2026

April 17, 2026

When declaring variables with Dim in a visible named item context, check the named item's IDispatch for each variable name via GetIDsOfNames. This matches Windows VBScript behavior where Dim probes the host object before creating the variable. -- v11: vbscript: Check named item dispatch for Dim variable names. https://gitlab.winehq.org/wine/wine/-/merge_requests/10393

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[PATCH v11 0/14] MR10611: LPC: Implement proper LPC system
by Rose Hellsing (＠axtlos) April 17, 2026

April 17, 2026

Until now, LPC was just a stub, any application that relied on LPC for communication would fail. This change implements parts of LPC, to allow for IPC between programs. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=30069 - fully fixed, sqlservr is able to run as expected Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59494 - partially fixed, starmoney doesn't flat out crash anymore, but it doesn't start fully, possibly because it uses the ALPC system which was introduced in Windows Vista, the version Starmoney 10 was advertised for -- v11: ntdll/tests: Add zero-length LPC message tests. ntdll/tests: Add LPC port error handling tests. server: Handle LPC port close to break circular references. ntdll: Implement NtRegisterThreadTerminatePort. server: Implement LPC thread termination notification. ntdll: Implement NtReplyPort, NtReplyWaitReceivePort and NtReplyWaitReceivePortEx. ntdll: Implement NtRequestPort and NtRequestWaitReplyPort. server: Implement LPC message request and reply handlers. ntdll: Implement NtListenPort, NtAcceptConnectPort and NtCompleteConnectPort. ntdll: Implement NtConnectPort and NtSecureConnectPort. server: Implement LPC connection acceptance and completion. server: Implement LPC connection request and listen handlers. ntdll: Implement NtCreatePort and NtCreateWaitablePort. server: Add LPC port object infrastructure. https://gitlab.winehq.org/wine/wine/-/merge_requests/10611

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[PATCH v3 0/1] MR10497: vbscript: Return specific error codes for unterminated block statements.
by Francis De Brabandere (＠francisdb) April 17, 2026

April 17, 2026

When a block statement reaches EOF without its closing keyword, Windows returns a specific error code. Add error productions in the bison grammar for four unterminated block types: - If without End If (error 1014) - While without Wend (error 1018) - Do without Loop (error 1019) - For/For Each without Next (error 1020) Previously these all fell through to the generic E_FAIL path. -- v3: vbscript: Return specific error codes for unterminated block statements. https://gitlab.winehq.org/wine/wine/-/merge_requests/10497

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Re: [PATCH v4 0/11] MR10513: d3dx{9,10,11}: Add support for premultiplied alpha and SRGB conversions. - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10513

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Re: [PATCH v2 0/6] MR10686: opengl32: Fix missing hooks and merge similar wrappers together. - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10686

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Re: [PATCH v9 0/2] MR10546: vbscript: Use indexed lookup for global functions and variables. - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10546

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Re: [PATCH v5 0/1] MR10489: vbscript: Return specific error codes for missing keywords in parser. - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10489

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[PATCH v21 0/6] MR10515: Draft: vbscript: Bind local variables, class properties, and loop variables at compile time.
by Francis De Brabandere (＠francisdb) April 17, 2026

April 17, 2026

Resolve identifiers to direct indices during compilation instead of doing runtime `wcsicmp` string scans in `lookup_identifier()`. This adds new opcodes that access local variables, function arguments, class properties, and loop variables by index, eliminating the linear string comparison overhead for the most common cases. **New opcodes:** - `OP_local` / `OP_assign_local` / `OP_set_local` - read/write local vars and args by index - `OP_local_prop` / `OP_assign_local_prop` / `OP_set_local_prop` - read/write class properties by index - `OP_step_local` / `OP_incc_local` - For-loop step/increment with indexed counter - `OP_enumnext_local` - For-Each iteration with indexed loop variable This mirrors jscript's `OP_local` / `bind_local()` optimization (`dlls/jscript/compile.c`) and addresses the FIXME in `lookup_identifier()` noting that class property access should be bound at compile time. Names that cannot be resolved at compile time (globals in Execute/ExecuteGlobal code, dynamic vars, host objects) continue to use the existing string-based path. The last commit also adds a fast path for SAFEARRAY iteration that bypasses the `IEnumVARIANT` COM vtable dispatch and copies elements directly from the array data, eliminating one intermediate `VariantCopy` per iteration. ### Local variable / argument / class property access (1M iterations, 10 reads per iteration) | Benchmark | Windows (VM) | Wine master | Wine (7 commits) | **Speedup** | vs Windows | |-----------|-------------|-------------|-------------------|---------|------------| | Local vars | 156 ms | 413 ms | 234 ms | **1.8x** | 1.5x slower | | Arguments | 171 ms | 357 ms | 231 ms | **1.5x** | 1.4x slower | | Class props | 265 ms | 393 ms | 226 ms | **1.7x** | 0.9x (faster!) | ### For-loop variants (10M iterations) | Benchmark | Windows (VM) | Wine master | Wine (7 commits) | **Speedup** | vs Windows | |-----------|-------------|-------------|-------------------|---------|------------| | Empty For | 117 ms | 370 ms | 270 ms | **1.4x** | 2.3x slower | | For + assign | 203 ms | 613 ms | 430 ms | **1.4x** | 2.1x slower | | Do-While manual | 437 ms | 646 ms | 513 ms | **1.3x** | 1.2x slower | | For Step 2 | 62 ms | 370 ms | 271 ms | **1.4x** | 4.4x slower | | Nested For | 125 ms | 387 ms | 268 ms | **1.4x** | 2.1x slower | | For local Sub | 109 ms | 294 ms | 251 ms | **1.2x** | 2.3x slower | | For R8 counter | 203 ms | 2,812 ms | 2,529 ms | **1.1x** | 12x slower | | For-Each array | 7 ms | 286 ms | 62 ms | **4.6x** | 8.9x slower | The remaining 4-13x gap vs Windows in For-loops is from `VarAdd`/`VarCmp` going through full `VariantChangeTypeEx` machinery (including locale alloc/free per call). A separate MR ([!10528](https://gitlab.winehq.org/wine/wine/-/merge_requests/10529)) adds I2/I4 fast paths in oleaut32 that bring integer loops within 1.2-1.9x of Windows when combined with this branch. -- v21: https://gitlab.winehq.org/wine/wine/-/merge_requests/10515

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Re: [PATCH v9 0/1] MR10592: vbscript: Add call depth limit to prevent stack overflow on infinite recursion. - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10592

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Re: [PATCH v11 0/1] MR10518: wscript: Implement error messages, usage output, and //nologo banner. - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10518

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Re: [PATCH v4 0/7] MR10669: odbc32: Implement sharing environment between connections. - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10669

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Re: [PATCH v3 0/7] MR10540: build: Fix warnings with recent gcc/glibc versions - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10540

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Re: [PATCH v4 0/1] MR10633: kernelbase: Ignore GENERIC_WRITE in CreateFile on CDs on Windows 9x. - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10633

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Re: [PATCH v2 0/1] MR10682: mfplat/tests: Test MFInitAMMediaTypeFromMFMediaType GUID conversions. - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10682

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Re: [PATCH v2 0/7] MR10688: msxml3: Improvements to setAttribute(). - approved
by Alexandre Julliard (＠julliard) April 17, 2026

April 17, 2026

This merge request was approved by Alexandre Julliard. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/10688

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[PATCH v9 0/7] MR10604: setupapi, ntoskrnl: Implement CM_Get_Parent with device tree properties
by Jan Robert Gerigk (＠RgSg86) April 17, 2026

April 17, 2026

Wine Bug: https://bugs.winehq.org/show_bug.cgi?id=59604 Implement CM_Get_Parent by storing device tree relationship properties when ntoskrnl enumerates child devices via IRP_MN_QUERY_DEVICE_RELATIONS: - DEVPKEY_Device_Parent on each child device - DEVPKEY_Device_Children on the parent device - DEVPKEY_Device_Siblings on each child device CM_Get_Parent reads DEVPKEY_Device_Parent through SetupDiGetDevicePropertyW. Also fix SETUPDI_EnumerateMatchingInterfaces to remove devices without interfaces from DIGCF_DEVICEINTERFACE enumeration results. --\> no more phantom devices Based on discussion with Rémi Bernon (Bug 59604) Tested on a fresh Wine 11.6 setup with KNX ETS 6.4.1: A USB HID license dongle (VID 2A07, PID 0102) is now correctly identified through CM_Get_Parent device tree navigation. -- v9: ntoskrnl/tests: Add DEVPKEY_Device_Parent test. setupapi/tests: Add CM_Get_Parent tests. cfgmgr32: Implement CM_Get_Parent using DEVPKEY_Device_Parent property. ntoskrnl: Store DEVPKEY_Device_Siblings on each child after bus enumeration. ntoskrnl: Store DEVPKEY_Device_Children on parent after bus enumeration. ntoskrnl: Store DEVPKEY_Device_Parent when enumerating child devices. setupapi: Remove devices without interfaces from DIGCF_DEVICEINTERFACE enumeration. https://gitlab.winehq.org/wine/wine/-/merge_requests/10604

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