Wine 4.0 RC2 发布了，因为目前已进入代码冻结阶段，所以该版本只是修复了 bug。
4.0 RC2 修复的 bug（总共 11 个）：
19184 File copying fails during installation of Mordor 23282 SpeQ: Wrong coded linefeed 25734 Magic: The Gathering Battlegrounds trial hangs upon startup 36430 valgrind shows a possible leak in shell32/tests/autocomplete.c 39736 Prototype 2 crashes 41992 total commander, copy dialog - Esc key not working 43178 Prototype regression 43676 Hitman(TM) requires session_set_option - option 84 44229 Visual C++ 1.51 can't add files to project (GetOpenFileName16() doesn't support custom templates or hooks) 46231 Button tests for ideal size fail on Arabic locale on Windows 46270 ReactOS explorer.exe can't delete objects (use-after free caused by incorrect free in STGMEDIUM_Release())
Wine （“Wine Is Not an Emulator” 的递归缩写）是一个能够在多种 POSIX-compliant 操作系统（诸如 Linux，macOS 及 BSD 等）上运行 Windows 应用的兼容层。Wine 不是像虚拟机或者模拟器一样模仿内部的 Windows 逻辑，而是将 Windows API 调用翻译成为动态的 POSIX 调用，免除了性能和其他一些行为的内存占用，让你能够干净地集合 Windows 应用到你的桌面。