Wine 6.3 Is Released

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The latest development-release of the popular Windows compatibility layer WINE has better WinRT support in the Wine Interface Definition Language (WIDL), better debugger support in the NT syscall interface, the WineGStreamer library converted to a Portable Executable (PE) and 24 game and application specific bug-fixes.

written by 윤채경 (Yoon Chae-kyung)  2021-02-26 - last edited 2021-02-27. © CC BY

Little Witch Nobeta in Wine.jpg
The Windows-game Little Witch Nobeta demo running in Wine on Linux.

The latest Wine development release 6.3 has 24 game-specific bug-fixes. Those include a partial imagehlp.BindImageEx implementation for py2exe, a fix for the Monopoly Deluxe installer, a fix that allows the Logos Bible Software versions 4 through 9 to download the files it needs, a crash fix for Seagate Crystal Enterprise 8.0, a fix for all the Macromedia Director Player 4.x based games and a fix for Civilization IV BTS which wouldn't let you return to full-screen if you alt-tabbed away from it since a regression was introduced with Wine 4.10.

Wine 6.3 has one rather important fix for the Steam for Windows. It will no longer enter a endless restarting cycle after launching any game

There's also a few build-specific fixes. It is now possible to build Wine with clang-10.0 as a crosscompiler without encountering a horrible build failure.

There's also some general changes. The WineGStreamer library has been turned into a portable executable, WinRT support as been added to the Wine Interface Definition Language (WIDL) and there is better debugger support for the NT syscall interface.

Mario Kart DX12 Wine crash.jpg
Mario Kart DX12 crashing horribly in Wine 6.3.

You still can't play Mario Kart DX12, a DirectX12 Mario Kart implementation using something called a "ThICC Engine", but you can play a lot more games with Wine now than you could when Wine 5.0 was released slightly more than one year ago.

The source code for Wine 6.3 can be acquired from and there are installation instructions for binary packages for Ubuntu, Debian, Fedora, Android and macOS at

The Wine website is at

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