This page summarizes the changes between tagged releases of Go. For full details, see the Mercurial change log.
++Changes in this release: +* build: fixes and simplifications (thanks Dave Cheney), + move $GOBIN ahead of /bin, /usr/bin in build $PATH. +* bzip2: speed up decompression. +* cgo: fix dwarf type parsing (thanks Gustavo Niemeyer), + put temporary source files in _obj (thanks Roger Peppe), + fix bug involving 0-argument callbacks. +* compress/lzw: optimizations. +* doc: add FAQ about "implements", + add FAQ about large binaries , + add FAQ about stack vs heap allocation, + add internationalization to roadmap, + describe platform-specific conventions in code.html. +* fmt: allow recursive calls to Fscan etc (thanks Roger Peppe), + make %#p suppress leading 0x. +* gc, gopack: add some missing flags to the docs. +* gc: fix init of packages named main (thanks Gustavo Niemeyer), +* gob: make recursive map and slice types work, and other fixes. + tentative support for GobEncoder/GobDecoder interfaces. +* gobuilder: add -package flag to build external packages and -v for verbose. +* gofmt: exclude test file that is not legal Go. +* goinstall: protect against malicious filenames (thanks Roger Peppe). +* goyacc: provide -p flag to set prefix for names, documentation update. +* http: add cookie support (thanks Petar Maymounkov), + allow handlers to send non-chunked responses, + export ParseHTTPVersion, + expose Client's Transport, + use WriteProxy, + rename ClientTransport to Transport. +* http/cgi: new package. +* http/httptest: new package. +* image: add a decoding test for common file formats. +* io/ioutil: add TempDir. +* mime/multipart: Header changed from map to MIMEHeader +* path/filepath: new OS-specific path support (thanks Gustavo Niemeyer). +* reflect: add PtrTo, add Value.Addr (old Addr is now UnsafeAddr). +* runtime: use kernel-supplied compare-and-swap on linux/arm. +* spec: minor clarification of scope rule for functions. +* sync/atomic: new package to expose atomic operations. +* syscall: regenerate zerrors_freebsd_amd64.go (thanks Mikio Hara), + work around FreeBSD execve kernel bug (thanks Devon H. O'Dell). +* template: document the delimiters. +* testing: run GC before each benchmark run (thanks Roger Peppe). +* unsafe: fix the documentation. +* websocket: use httptest.Server for tests (thanks Robert Hencke). +* xml: permit nested directives (thanks Chris Dollin). ++