{"name":"CLAUDE_CODE_SPARE_KEEPS_BOOT_SESSION_ID","slug":"claude-code-spare-keeps-boot-session-id","family":"env","title":"Environment variables","noun":"environment variable","description":"Claude Code now accepts `CLAUDE_CODE_SPARE_KEEPS_BOOT_SESSION_ID` and `CLAUDE_CODE_DISABLE_STOP_OF_HELD_MESSAGES`, but their effect is not described","description_source":"entry","described_by":{"version":"2.1.318","anchor":"new-env-vars-claude-code-spare-keeps-boot-session-id-and-cla"},"presence":{"first_seen":"2.1.318","removed_in":null,"in_current_build":true,"newest_mined":"2.1.318","builds":1,"mined_builds":158,"first_cited":{"version":"2.1.318","released_at":"2026-11-03 21:55:17","spans":1}},"aliases":[],"entries":[{"version":"2.1.318","anchor":"new-env-vars-claude-code-spare-keeps-boot-session-id-and-cla","heading":"Two new environment variables for held messages and spare sessions","line":"Claude Code now accepts `CLAUDE_CODE_SPARE_KEEPS_BOOT_SESSION_ID` and `CLAUDE_CODE_DISABLE_STOP_OF_HELD_MESSAGES`, but their effect is not described","released_at":"2026-11-03 21:55:17","reason":"found in this entry's text"},{"version":"2.1.318","anchor":"spare-session-boot-claims-a-session-id-from-claude-code-spar","heading":"Prewarmed spare processes now pick up a session ID when claimed","line":"A prewarmed spare process with no session ID now looks one up when claimed, unless CLAUDE_CODE_SPARE_KEEPS_BOOT_SESSION_ID is set","released_at":"2026-11-03 21:55:17","reason":"found in this entry's text, named in this entry"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-spare-keeps-boot-session-id","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}