CLI 4.203.0

⛰️ Features

• strip release binaries (#12015)
• make network retry policy configurable (#11960)
• support package traits in native integration (#11799)
• scope the Xcode CAS snapshot to trunk, and ingest it ahead of the build (#11866)
• write a machine-readable run report to a caller-chosen path (#11899)
• account cache volumes for the macOS runner fleet (spec #76) (#11788)
• non-blocking resolve and an instance-wide action-cache snapshot in the CAS proxy (#11768)
• add generated script file list paths (#11643)
• add cache warm no-upload flag (#11712)
• add cas-plugin, an Xcode CAS plugin with Tuist-remote read/write-through (#11660)
• update Muted/Skipped Test Case Listing to Include All Pages (#11628)
• compress cache artifacts with LZFSE and bump cache version to 6 (#11637)
• fail fast when the remote CAS cache is unavailable (#11624)

🐛 Bug Fixes

• resolve release-line package dependencies
• restore release-line Package.resolved broken by backports (#12159)
• fall back to local cache during server outages [4.203.x backport] (#12155)
• preserve package compiler settings through static chains (#12010)
• allow including local package test targets (#12021)
• configure debugging for cached modules (#12019)
• ensure cache daemon starts during setup (#12014)
• accept deprecated SwiftPM flags and halve SwifterPM restore time (#11983)
• link shared package products once (#11967)
• honor --no-upload for selective test hashes in test-without-building / shard flows (#11927)
• import Musl so the static Linux release build compiles (#11924)
• avoid overlapping mixed test schemes (#11821)
• serialize Linux release downloads (#11886)
• skip CAS setup on older release lines
• clean Swift account home before release retry
• retry Linux release bundles after cache cleanup
• generate scheme code coverage references for local Swift package targets (#11769)
• let clang discover module maps for nested static xcframework headers (#11872)
• don't deduplicate packages that share a manifest name (#11870)
• use native Xcode macro dependencies (#11825)
• avoid duplicating module map flags in inheriting configurations (#11797)
• serve action-cache snapshots from a dedicated index instead of scanning the namespace (#11816)
• release the routing lock before a demand fetch resolves its path (#11794)
• strip CFBundleSupportedPlatforms from cached resource bundles (App Store 90542) (#11792)
• reassemble the requested result bundle across test schemes (#11789)
• quote Swift framework search paths to survive whitespace in target names (#11750)
• treat undecompressable module cache artifacts as cache misses (#11727)
• harden #11719 follow-ups — serving-path race tolerance, retry classification, wildcard-inline cost edges (#11734)
• avoid shard artifact upload collisions (#11706)
• handle pruned selective test targets (#11731)
• CAS proxy — verify on-disk presence for cached hits + reclaim idle caches (#11720)
• avoid result bundle collisions across test schemes (#11715)
• send project-only REAPI instance_name so Kura authz grants match (#11710)
• fix Kura Xcode-CAS remote caching on dev machines (tokio runtime, Xcode upstream, agent version) (#11709)
• handle normalized module cache bundle artifacts (#11689)
• ignore local external package test targets (#11667)
• build macro targets for active architecture (#11668)
• copy module maps with cp -f so CAS-cached builds can overwrite read-only outputs (#11646)
• avoid shadowing SwiftPM public headers (#11648)
• avoid duplicate SwiftPM C target public headers (#11638)
• batch CAS analytics writes off the cooperative pool (#11630)

⚡ Performance

• compress the snapshot, coalesce demand fetches, and serve stale during rebuilds (#11820)
• refresh per-key-served entries back into the snapshot view (#11787)
• prioritized snapshot warming, cached-index serving, and boot prefetch (#11781)
• cut warm Xcode-cache WAN cost (inline value graphs + background old-segment promotion) (#11719)

🧪 Testing

• stabilize package trait encoding assertion (#11998)
• tolerate unavailable prebuilt swift-syntax in macro acceptance test (#11796)