{"data":{"id":"magento2-39954","source":"github-pr","sourceRef":"magento/magento2#39954","title":"Fix concurrency issue in static content deploy","pr":{"number":39954,"url":"https://github.com/magento/magento2/pull/39954","author":"convenient","mergedAt":"2025-06-26T11:02:15Z","mergeCommit":"19eb0b8ee5b6eedd91b54c765b9a9a72e9e13e24","headCommit":"315547ddbfc8faee7bbf0f4c1e01b1b5bd31f1de","baseRef":"2.4-develop","diffSha256":"bb9efe2f51d4c3c67df6912081fff70f151fb859038c0c466f2ff409f1c1cb4c"},"issues":[{"number":39990,"url":"https://github.com/magento/magento2/issues/39990","title":"[Issue] Fix concurrency issue in static content deploy","labels":["Area: Framework","Component: Deploy","Issue: Confirmed","Priority: P2","Progress: done","Reported on 2.4.x","Reproduced on 2.4.x","Triage: 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content deploy runs the same theme package in multiple processes","description":"With setup:static-content:deploy and --jobs 4, multiple processes spin up to handle the same theme package, and less compilation is intermittently failing to generate complete styles-m.css and styles-l.css files. In Queue executePackage, a package not in $packages now gets a return and the debug log Preventing duplicate execution of package as it is in progress.","categories":[],"author":"claude-code/opus-5.5","date":"2026-10-06","reviewedBy":null},"tests":null},"_documentation":"https://magento.watch/api","_description":"Upstream fix magento2-39954 details"}