This page summarizes the changes between tagged releases of Go. For full details, see the Mercurial change log.
++This release includes several fixes and changes: + +* build: Make.pkg: use installed runtime.h for cgo. +* cgo: disallow use of C.errno. +* crypto/cipher: fix OCFB, + make NewCBCEncrypter return BlockMode. +* doc: 6l: fix documentation of -L flag, + add golanguage.ru to foreign-language doc list, + effective go: explain the effect of repanicking better, + update Effective Go for template API change, + update contribution guidelines to prefix the change description. +* encoding/binary: reject types with implementation-dependent sizes (thanks Patrick Gavlin). +* exp/evalsimple fix handling of slices like s[:2] (thanks Sebastien Binet). +* fmt: made format string handling more efficient, + normalize processing of format string. +* gc: return constant floats for parts of complex constants (thanks Anthony Martin), + rewrite complex /= to l = l / r (thanks Patrick Gavlin), + fix &^=. +* go/ast: provide complete node text range info. +* gob: generate a better error message in one confusing place. +* godoc: fix godoc -src (thanks Icarus Sparry). +* goinstall: add -clean flag (thanks Kyle Lemons), + add checkout concept (thanks Caine Tighe), + fix -u for bzr (thanks Gustavo Niemeyer). +* http: permit empty Reason-Phrase in response Status-Line. +* io: fix Copyn EOF handling. +* net: fix close of Listener (thanks Michael Hoisie). +* regexp: fix performance bug, make anchored searches fail fast, + fix prefix bug. +* runtime/cgo: fix stackguard on FreeBSD/amd64 (thanks Anthony Martin). +* strconv: atof: added 'E' as valid token for exponent (thanks Stefan Nilsson), + update ftoa comment for 'E' and 'G'. +* strings: fix description of FieldsFunc (thanks Roger Peppe). +* syscall: correct Linux Splice definition, + make Access second argument consistently uint32. ++