This page summarizes the changes between tagged releases of Go. For full details, see the Mercurial change log.
++This release includes a backwards-incompatible package change to the +sort.Search function (introduced in the last release). +See the change for details and examples of how you might change your code: + http://code.google.com/p/go/source/detail?r=102866c369 + +* build: automatically #define _64BIT in 6c. +* cgo: print required space after parameter name in wrapper function. +* crypto/cipher: new package to replace crypto/block (thanks Adam Langley). +* crypto/elliptic: new package, implements elliptic curves over prime fields (thanks Adam Langley). +* crypto/x509: policy OID support and fixes (thanks Adam Langley). +* doc: add link to codewalks, + fix recover() documentation (thanks Anschel Schaffer-Cohen), + explain how to write Makefiles for commands. +* exec: enable more tests on windows (thanks Alex Brainman). +* gc: adjustable hash code in typecheck of composite literals + (thanks to vskrap, Andrey Mirtchovski, and Eoghan Sherry). +* gc: better error message for bad type in channel send (thanks Anthony Martin). +* godoc: bug fix in relativePath, + compute search index for all file systems under godoc's observation, + use correct time stamp to indicate accuracy of search result. +* index/suffixarray: use sort.Search. +* net: add ReadFrom and WriteTo windows version (thanks Wei Guangjing). +* reflect: remove unnecessary casts in Get methods. +* rpc: add RegisterName to allow override of default type name. +* runtime: free memory allocated by windows CommandLineToArgv (thanks Alex Brainman). +* sort: simplify Search (thanks Roger Peppe). +* strings: add LastIndexAny (thanks Benny Siegert). ++