编译器的变化

1. D1 operator overloads have been deprecated.
2. Deprecate allowing a constructor declaration in a static block
3. deprecated now applies to alias this as well
4. Double initialization of immutable fields inside constructor is now obsolete
5. add __traits(getLocation, symbol)
6. Suppress the "read-modify-write" error if type is a struct or a class
7. Postblit and destructors are no longer called on members of anonymous unions.

运行时变化

1. core.atomic : msync has been removed
2. Added overloads for core.atomic.cas which don't discard their result.
3. Added core.atomic.atomicExchange.
4. Non-POSIX CLOCK enum members have been removed from core.sys.posix.time
5. The druntime option callStructDtorsDuringGC has been deprecated.
6. core.sys.posix.dlfcn : dladdr, dlvsym, Dl_info have been removed
7. core.exception: Remove onHiddenFuncError / HiddenFuncError
8. core.exception : setAssertHandler has been removed
9. core.thread : Fiber.call(bool) has been removed
10. Module core.sys.linux.sys.netinet.tcp has been removed
11. core.runtime : Runtime.initialize, Runtime.terminate functions taking ExceptionHandler have been removed
12. Added core.stdcpp.string.
13. Added core.stdcpp.vector.

标准库变化

1. std.array.Appender and RefAppender: use .opSlice() instead of data()
2. ErrnoException.errno is now nothrow pure @nogc @safe
3. Nullable alias get this has been deprecated
4. Added the std.file.getAvailableDiskSpace functionality.
5. Allow std.json to overlook trailing comma

安装器变化

1. Bundled libcurl is now built with DONT_USE_RECV_BEFORE_SEND_WORKAROUND

Dub 包管理器变化

1. Support for dub global settings file at the root package level

您也可以查看完整的 changelog 内容。