- After 4 years of work, the PE conversion is finally complete: all modules can
be built in PE format. This is an important milestone on the road to supporting
various features such as copy protection, 32-bit applications on 64-bit hosts,
Windows debuggers, x86 applications on ARM, etc.
However, some modules still perform direct calls between the PE and the Unix
part, instead of going through the NT system call interface. The remaining
direct calls will be removed during the Wine 8.x development phase.
- A special syscall dispatcher is used for PE -> Unix transitions, to avoid the
overhead of a full NT system call. This minimizes the performance impact of the
new architecture, in particular for the OpenGL and Vulkan libraries.
- Building mixed Windows/Unix libraries in ELF format (.dll.so libraries) is
still supported for use in Winelib applications. However, such applications
won't support features enabled by the NT syscall interface, such as WoW64
without 32-bit libraries.
*** WoW64
- WoW64 thunks are implemented for essentially all Unix libraries, enabling a
32-bit PE module to call a 64-bit Unix library. Once the remaining direct
PE/Unix calls have been removed, this will make it fully possible to run
32-bit Windows applications without any 32-bit Unix library.
- When the 32-bit Wine loader isn't found, 32-bit applications are started in
the new experimental "Windows-like" WoW64 mode (where 32-bit code runs inside
a 64-bit host process). This mode can be enabled by building with the
'--enable-archs' configure option. This is still under development and not yet
recommended for general use. Since in case of configuration errors it is
possible for it to be triggered inadvertently, applications started in this
mode print the warning "starting in experimental wow64 mode".
*** Graphics
- The "Light" theme is enabled in the default configuration, for a more modern
look. Other themes can still be configured through WineCfg.
- The graphics drivers (winex11.drv, winemac.drv, wineandroid.drv) are converted
to run on the Unix side of the syscall boundary, and interface with the Unix
side of the Win32u library.
- The Print Processor architecture is implemented. This will be used to avoid
direct PE<->Unix calls in the printer driver.
- Effects are supported in Direct2D, including description parsing and a number
of core objects.
- Command lists recording and playback are implemented in Direct2D.
- The Vulkan driver supports up to version 1.3.237 of the Vulkan spec.
*** Direct3D
- Many optimizations related to streaming map acceleration are implemented, in
common code as well as in the GL renderer. Depending on the application, this
may result in major performance improvements.
- Adapter video memory budget change notifications are implemented.
- The Vulkan renderer supports setting multiple viewports and scissor rectangles.
- Several Direct3D 10 and 11 features, which were already implemented, are
accurately reported through capability flags:
- Per-format support for vertex and index buffers.
- Per-format support for all capabilities via D3D11_FEATURE_FORMAT_SUPPORT.
- No-overwrite maps on shader resources and constant buffers.
- Partial range binding of constant buffers.
- For convenience, a new WINE_D3D_CONFIG environment variable may be used instead
of modifying the HKEY_CURRENT_USER\Software\Wine\Direct3D registry key. The
value is a comma- or semicolon-separated list of key-value pairs, e.g.:
If an individual setting is specified in both the environment variable and the
registry, the former takes precedence.
- The Direct3D graphics card database recognizes more graphics cards.
- The Vulkan renderer limits the maximum Direct3D feature level based on
available Vulkan features.
*** Direct3D helper libraries
- A new HLSL compiler is implemented using the vkd3d-shader library.
- A new HLSL disassembler is implemented using the vkd3d-shader library.
- The HLSL preprocessor is reimplemented using the vkd3d-shader HLSL
preprocessor.
- The D3DX 10 Thread Pump is implemented.
- Many more expressions are supported in Direct3D 10 effects.
- Cubemap projection is implemented in the D3DX 9 helper library.
*** Audio / Video
- The MPEG-1 audio decoder filter for layers 1 and 2, and the separate filter for
layer 3, are both implemented on top of GStreamer.
- The ASF reader filter is implemented.
- The OpenAL32.dll wrapper library is removed, in favor of the native
OpenAL32.dll library shipped by Windows applications.
*** Media Foundation
- Content type resolution is improved in the Media Foundation Player.
- Rate control is implemented.
- The Enhanced Video Renderer default mixer and presenter are better supported.
- The DirectShow filter is implemented in the Enhanced Video Renderer.
- An initial framework is implemented for the Writer encoding API.
- The topology loader is better supported.
*** Input devices
- Controller hotplug support is greatly improved, and controller removal and
insertion are correctly dispatched to applications.
- Driving wheel device detection and reporting is better implemented, using the
SDL library and HID usages as hints for the device types.
- Force feedback effect support is improved, specifically with driving wheel
controllers.
- The HID Haptics specification is used for left / right motor rumble and trigger
rumble. It makes it possible for device drivers to expose haptics support over
HidRaw, and overcome EvDev limitations.
- The Joystick Control Panel is redesigned, with new graphics and a dedicated
view for XInput gamepads.
- Sony DualShock and DualSense controllers are supported when the hidraw backend
is used, and exposed to applications in the same way as they are on Windows.
- The Windows.Gaming.Input module is introduced, one of the first WinRT modules
in Wine, implementing a new programming interface to access gamepads, joysticks
and driving wheel devices. For this new input API, hotplug notifications are
also implemented, as well as force feedback effects and haptics. This API is
the first one to support trigger rumble.
*** Internationalization
- A proper locale database, in Windows locale.nls format, is generated from the
Unicode CLDR database. The list of supported locales is essentially identical
to that of the latest Windows version.
- Unicode string comparison is based on the Windows Sortkey database and
algorithms instead of the Unicode Collation Algorithm, yielding more compatible
results.
- Characters from high Unicode planes (in UTF-16 encoding) are supported in most
functions, in particular for case mappings, BiDi formatting, and character
shaping.
- The UTF-8 encoding is supported as Ansi codepage. It is enabled when requested
by the application's manifest.
- Unicode character tables are based on version 15.0.0 of the Unicode Standard.
- The timezone data is generated from the IANA timezone database version 2022g.
*** Text and fonts
- Font linking is enabled for most system fonts, which should fix missing glyphs
in CJK locales.
- Font fallback in DirectWrite is reworked, with additional support for an large
number of scripts.
*** Kernel
- The ApiSetSchema database is implemented, replacing all the api-ms-* forwarding
modules. This reduces both disk space and address space usage.
- DOS file attributes are persistent, and stored on disk using the filesystem's
extended attributes, in a format compatible with Samba.
*** Internet and networking
- The Online Certificate Status Protocol (OCSP) is implemented.
- More EcmaScript features are supported in JScript standard-compliant mode.
- The JScript garbage collector is implemented.
- Accessibility support is enabled in Wine Gecko package.
- Web Storage, Performance object and more event objects are implemented in
MSHTML.
*** Mono / .NET
- The Mono engine is updated to version 7.4.0. The list of changes can be viewed
at
- All the builtin applications use Common Controls version 6, which enables
theming and high-DPI rendering by default.
- The Wine Debugger (winedbg) prints thread names in the 'info thread' listing,
for applications that set the names of their threads. All internal Wine threads
also set their own name.
- The QWORD type is supported in the REGEDIT and REG registry tools.
- Notepad has a status bar displaying the current cursor position. The Goto Line
functionality is also implemented.
- The builtin console programs print data in the OEM codepage, for better
compatibility with applications reading their output.
- The Service Control tool (sc.exe) supports the 'query' command.
*** Development tools
- The PE conversion has made it necessary to implement a new mechanism to run
static C++ constructors in Winelib ELF applications. Unfortunately, this
requires the corresponding modules to be rebuilt with Wine 8.0. The rebuilt
modules will still run correctly on older Wine versions, but older modules will
no longer execute static constructors when run on Wine 8.0.
- In regression tests, individual checks can be marked as "flaky". This is useful
for checks that depend on external factors such as network timings. The errors
are still reported but not counted as failures.
- Test failure messages can be printed in color by setting the WINETEST_COLOR
environment variable, to make them easier to spot in the test log.
- The Resource Compiler (WRC) and Message Compiler (WMC) use the locale.nls
database to detect languages and codepages, and thus support all the Windows
locales.
- The WineDump tool supports printing the contents of Enhanced Metafile spool
files, as well as more contents from PDB files.
*** Build infrastructure
- PE binaries can be built for multiple architectures from the same build tree,
using the '--enable-archs' option to configure, for example
'--enable-archs=i386,x86_64'. This can be used to enable the experimental
WoW64 mode, where 32-bit applications can run without any 32-bit host
libraries. Note that this mode is still under development and not yet
recommended for general use.
- Data types that are defined as 'long' on Windows are defined as 'long' instead
of 'int' on all platforms with a 32-bit long type. This is more compatible, but
it can cause printf format warnings with Unix compilers. In Winelib code, it
can be disabled by defining WINE_NO_LONG_TYPES.
- Import libraries can be generated without using dlltool, by passing the
'--without-dlltool' option to winebuild. This is used to avoid dlltool bugs
with delay import libraries.
- Libraries that contain only resources and no code can be built with the
'--data-only' option to winegcc, which makes them smaller and more efficient to
load.
*** Bundled libraries
- Faudio is updated to the upstream release 22.11.
- LCMS2 is updated to the upstream release 2.14.
- LibJPEG is updated to the upstream release 9e.
- LibMPG123 is updated to the upstream release 1.31.1.
- LibPng is updated to the upstream release 1.6.39.
- LibTiff is updated to the upstream release 4.4.0.
- LibXml2 is updated to the upstream release 2.10.3.
- LibXslt is updated to the upstream release 1.1.37.
- Zlib is updated to the upstream release 1.2.13.
*** Platform-specific features
- The experimental WoW64 architecture is supported on macOS versions from 10.15.
- 64-bit time_t is supported on 32-bit Linux with recent Glibc versions.
- Exception unwinding on ARM platforms is extended with EHABI support on ARM32
and Dwarf support on ARM64.
*** Miscellaneous
- RSA encryption and the RSA-PSS signing algorithm are implemented.
- An initial version of the UI Automation API is implemented.
- Function name demangling supports various C++11 features.
*** External dependencies
- The vkd3d and LDAP libraries are bundled in the source tree and built as
PE. The corresponding Unix libraries are no longer needed.
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