This page summarizes the changes between tagged releases of Go. For full details, see the Mercurial change log.
++This release includes a new Codelab that illustrates the construction of a +simple wiki web application: + http://golang.org/doc/codelab/wiki/ + +It also includes a Codewalk framework for documenting code. See: + http://golang.org/doc/codewalk/ + +Other changes: +* 6g: fix need for parens around array index expression. +* 6l, 8l: include ELF header in PT_LOAD mapping for text segment. +* arm: add android runner script, + support for printing floats. +* big: implemented Karatsuba multiplication, + many fixes and improvements (thanks Evan Shaw). +* bytes: add Next method to Buffer, simplify Read, + shuffle implementation, making WriteByte 50% faster. +* crypto/tls: simpler implementation of record layer. +* exp/eval: fixes (thanks Evan Shaw). +* flag: eliminate unnecessary structs. +* gc: better windows support, + cmplx typecheck bug fix, + more specific error for statements at top level. +* go/parser: don't require unnecessary parens. +* godoc: exclude duplicate entries (thanks Andrei Vieru), + use int64 for timestamps (thanks Christopher Wedgwood). +* gofmt: fine-tune stripping of parentheses, +* json: Marshal, Unmarshal using new scanner, + preserve field name case by default, + scanner, Compact, Indent, and tests, + support for streaming. +* libmach: disassemble MOVLQZX correctly. +* math: more special cases for signed zero (thanks Charles L. Dorian). +* net: add Pipe, + fix bugs in packStructValue (thanks Michael Hoisie), + introduce net.Error interface. +* os: FileInfo: regularize the types of some fields, + create sys_bsd.go (thanks Giles Lean), + mingw bug fixes (thanks Alex Brainman). +* reflect: add FieldByNameFunc (thanks Raif S. Naffah), + implement Set(nil), SetValue(nil) for PtrValue and MapValue. +* regexp: allow escaping of any punctuation. +* rpc/jsonrpc: support for jsonrpc wire encoding. +* rpc: abstract client and server encodings, + add Close() method to rpc.Client. +* runtime: closures, defer bug fix for Native Client, + rename cgo2c, *.cgo to goc2c, *.goc to avoid confusion with real cgo. + several other fixes. +* scanner: implement Peek() to look at the next char w/o advancing. +* strings: add ReadRune to Reader, add FieldsFunc (thanks Kyle Consalus). +* syscall: match linux Setsid function signature to darwin, + mingw bug fixes (thanks Alex Brainman). +* template: fix handling of pointer inside interface. +* test/bench: add fannkuch-parallel.go (thanks Kyle Consalus), + pidigits ~10% performance win by using adds instead of shifts. +* time: remove incorrect time.ISO8601 and add time.RFC3339 (thanks Micah Stetson). +* utf16: add DecodeRune, EncodeRune. +* xml: add support for XML marshalling embedded structs (thanks Raif S. Naffah), + new "innerxml" tag to collect inner XML. ++