{"version":"2.1.66","anchor":"enhanced-microcompaction-with-boundary-messages","canonical_anchor":"enhanced-microcompaction-with-boundary-messages","heading":"Enhanced Microcompaction with Boundary Messages","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.66\/e\/enhanced-microcompaction-with-boundary-messages","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.66","markdown":"### Enhanced Microcompaction with Boundary Messages\n\nThe automatic context microcompaction system now produces visible boundary messages when it operates. When tool results are cleared to save context space, a `\"Context microcompacted\"` system message is inserted with metadata including token counts saved, number of tool results compacted, and images cleared. Old tool results are replaced with `\"[Old tool result content cleared]\"` markers that point to saved files on disk.\n\n**Evidence**\n\nMicrocompaction boundaries (search for `\"Context microcompacted\"` and `\"[Old tool result content cleared]\"`)"}