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BuildDescription signature uses file metadata (mtime/inode) for macroConfigSignature, causing cache misses after git checkout

Status: Open.

#1150 In swiftlang/swift-build;

· jverkoey opened on Mar 1, 2026

BuildDescription signature includes volatile environment variables, preventing cache hits in CI

Status: Open.

#1149 In swiftlang/swift-build;

· jverkoey opened on Mar 1, 2026

ConfiguredTarget.guid computed property causes O(n²) task generation for large projects

Status: Open.

#1145 In swiftlang/swift-build;

· jverkoey opened on Feb 26, 2026

Package product dependencies excluded from parallel discovery in TargetDependencyResolver

Status: Open.

#1142 In swiftlang/swift-build;

· jverkoey opened on Feb 26, 2026

NSCache dealloc cascade in FilePathResolver blocks build thread for minutes in large projects

Status: Open.

#1141 In swiftlang/swift-build;

· jverkoey opened on Feb 26, 2026

Statsig for Swift Build performance monitoring

Status: Open.

#1136 In swiftlang/swift-build;

· jverkoey opened on Feb 25, 2026

Add os_signpost instrumentation for build phase visibility in Instruments

Status: Open.

#1132 In swiftlang/swift-build;

· jverkoey opened on Feb 24, 2026

Execute SwiftPM tests in CI

continuous integration/development

Status: Open.

#1128 In swiftlang/swift-build;

· bkhouri opened on Feb 23, 2026

CopySwiftPackageResourcesTaskProducer iterates Set non-deterministically, invalidating BuildDescription cache

Status: Open.

#1116 In swiftlang/swift-build;

· jverkoey opened on Feb 21, 2026

xcstringstool compile --dry-run produces non-deterministic output ordering, invalidating BuildDescription cache

Status: Open.

#1115 In swiftlang/swift-build;

· jverkoey opened on Feb 21, 2026

Build planning overhead: multiple caching failures cause 60+ second no-change builds for large SPM projects

Status: Open.

#1111 In swiftlang/swift-build;

· jverkoey opened on Feb 20, 2026

Assertion `result == SQLITE_OK' failed

Status: Open.

#999 In swiftlang/swift-build;

· MahdiBM opened on Dec 27, 2025