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proposal: simd: architecture and vector-size agnostic SIMD intrinsics under a GOEXPERIMENT

Proposal

Status: Open.

#78902 In golang/go;

· dr2chase opened on Apr 22, 2026

·  

Proposal

runtime: setevent failed; errno=6, fatal error: runtime.semawakeup

BugReportIssues describing a possible bug in the Go implementation.Issues describing a possible bug in the Go implementation.

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

Status: Open.

#78900 In golang/go;

· StefanoBalzarottiNozomi opened on Apr 22, 2026

net/http: TestTransportRespectRequestWantsClose/h1/DisableKeepAlive=true,RequestClose=false failures

Status: Open.

#78897 In golang/go;

· gopherbot opened on Apr 21, 2026

x/build/internal/relui: skipped 1.27rc1 test

Buildersx/build issues (builders, bots, dashboards)x/build issues (builders, bots, dashboards)

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

TestingAn issue that has been verified to require only test changes, not just a test failure.An issue that has been verified to require only test changes, not just a test failure.

Status: Open.

#78894 In golang/go;

· mrkfrmn opened on Apr 21, 2026

·  

Unreleased

x/tools/go/types/objectpath: fact encoding is quadratic in package size

BugReportIssues describing a possible bug in the Go implementation.Issues describing a possible bug in the Go implementation.

ToolsThis label describes issues relating to any tools in the x/tools repository.This label describes issues relating to any tools in the x/tools repository.

Status: Open.

#78893 In golang/go;

· adonovan opened on Apr 21, 2026

·  

Unreleased

cmd/go: set a unique user agent

FeatureRequestIssues asking for a new feature that does not need a proposal.Issues asking for a new feature that does not need a proposal.

GoCommandcmd/gocmd/go

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

ToolProposalIssues describing a requested change to a Go tool or command-line program.Issues describing a requested change to a Go tool or command-line program.

Status: Open.

#78891 In golang/go;

· seankhliao opened on Apr 21, 2026

net: TestTCPConcurrentAccept failures

Status: Open.

#78890 In golang/go;

· gopherbot opened on Apr 21, 2026

x/tools/go/analysis/passes/errorsas: detect misuse of AsType in else if

FeatureRequestIssues asking for a new feature that does not need a proposal.Issues asking for a new feature that does not need a proposal.

ToolsThis label describes issues relating to any tools in the x/tools repository.This label describes issues relating to any tools in the x/tools repository.

Status: Open.

#78889 In golang/go;

· mateusz834 opened on Apr 21, 2026

·  

Unreleased

proposal: crypto/x509,crypto/tls: add ML-DSA support

LibraryProposalIssues describing a requested change to the Go standard library or x/ libraries, but not to a toolIssues describing a requested change to the Go standard library or x/ libraries, but not to a tool

Proposal

Proposal-CryptoProposal related to crypto packages or other security issuesProposal related to crypto packages or other security issues

Status: Open.

#78888 In golang/go;

· FiloSottile opened on Apr 21, 2026

·  

Proposal

runtime: make mutexActiveSpinSize configurable

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

LibraryProposalIssues describing a requested change to the Go standard library or x/ libraries, but not to a toolIssues describing a requested change to the Go standard library or x/ libraries, but not to a tool

Proposal

Status: Open.

#78886 In golang/go;

· weijinrongyuan opened on Apr 21, 2026

cmd/compile: confusing error in multiple assignment

BugReportIssues describing a possible bug in the Go implementation.Issues describing a possible bug in the Go implementation.

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

Status: Open.

#78884 In golang/go;

· rsc opened on Apr 21, 2026

·  

Go1.27

runtime: SIGSEGV with a c-shared library and called from C#

BugReportIssues describing a possible bug in the Go implementation.Issues describing a possible bug in the Go implementation.

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

Status: Open.

#78883 In golang/go;

· egonelbre opened on Apr 21, 2026