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Go go1.23rc2

Go: go1.23rc2 Release

Release date:
July 16, 2024
Previous version:
go1.23rc1 (released June 21, 2024)
Magnitude:
5,598 Diff Delta
Contributors:
33 total committers
Data confidence:
Commits:
70 impacting commits

43 Features Released with go1.23rc2

cmd/link: lock down future uses of linkname
#67401
doc: write release notes for Go 1.23
#65614
sync/atomic: add OR/AND operators for unsigned types
#61395
spec: generics: permit type parameters on aliases
#46477
runtime: MutexProfile has multiple records with equal stack
#67548
cmd/go: revendor x/telemetry prior to go1.23.0
#67617
net/http: delete inappropriate headers in func Error
#66343
all: increased toolchain binary sizes
#68109
crypto/tls: run BoringSSL test suite (BoGo)
#51434
slices: add iterator-related functions
#61899
crypto/tls: usage of QUICResumeSession in Go 1.23rc1 breaks backwards compatibility
#68124
crypto/tls: races detected in BenchmarkCertCache, BenchmarkHandshakeServer, BenchmarkLatency and BenchmarkThroughput
#67979
cmd/cgo: add -ldflags to augment CGO_LDFLAGS
#66456
cmd/compile: internal compiler error on import on mismatch between -p and package name
#54542
net/http: infinite redirect on path variable followed by trailing slash
#67657
os/exec: calling Cmd.Start after setting Cmd.Path manually to absolute path without ".exe" no longer implicitly adds ".exe" in Go 1.22
#66586
iter: example Pairs in package doc uses wrong (outdated?) signature for iter.Seq2
#68056
cmd/compile: switching over channel value incorrectly does not match when the direction is narrower in the case
#67190
cmd/compile: inconsistent integer arithmetic result on Go 1.22+arm64 with/without -race [1.22 backport]
#68230
net/netip: undocumented breaking change in reflect.DeepEquals
#68113
cmd/link: runtime.mach_vm_region_trampoline: unsupported dynamic relocation for symbol libc_mach_task_self_ (type=29 (R_GOTPCREL) stype=46 (SDYNIMPORT))
#67976
cmd/go: document file language version semantics in `go help buildconstraint`
#68161
cmd/compile: global variable assignment implicit type conversion error
#68264
cmd/compile: unnecessary internal variables are exported to DWARF for range-over-func loops
#68238
context: valueCtx's String panics if value is nil
#68356
cmd/cgo: _Cfunc_CString redeclared in this block
#67707
cmd/link: unaligned 32-bit fields in .reloc section blocks of go.exe.
#68260
io: race condition with use of Pipe
#67633
cmd/compile: math.Trunc produces incorrect result on riscv64 in Go 1.23rc1
#68322
runtime/pprof: heap profile is blank on go1.23rc1 (go1.22.4 was ok)
#68136

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Top Contributors in go1.23rc2

gopherbot
kolyshkin
findleyr
matloob
cuonglm
cherrymui
nsrip-dd
neild
FiloSottile
ianlancetaylor

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