{"version":"2.1.8","anchor":"context-microcompaction-boundaries","canonical_anchor":"context-microcompaction-boundaries","heading":"Context Microcompaction Boundaries","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.8\/e\/context-microcompaction-boundaries","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.8","markdown":"### Context Microcompaction Boundaries\n\n**What**\n\nNew internal infrastructure for tracking context compression events in long conversations.\n\n**Details**\n\n- Adds `microcompact_boundary` system message type\n- Tracks metadata about compaction: trigger, tokens saved, compacted tool IDs\n- Used internally for session memory management\n- No direct user interaction required\n\n**Evidence**\n\n`Uv2()` at line 430955 (`subtype: \"microcompact_boundary\"`, `content: \"Context microcompacted\"`)"}