{"version":"2.0.72","anchor":"session-indexing-gradual-rollout","canonical_anchor":"session-indexing-gradual-rollout","heading":"Session Indexing [Gradual Rollout]","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.0.72\/e\/session-indexing-gradual-rollout","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.0.72","markdown":"### Session Indexing [Gradual Rollout]\n\n**What**\n\nA new session indexing system that caches conversation metadata for faster session loading.\n\n**Details**\n\n- Creates a `sessions-index.json` file that caches session metadata\n- Enables faster loading of conversation history without parsing all JSONL files\n- Tracks session ID, message count, timestamps, branch info, and tags\n- Feature-flagged behind `tengu_session_index`\n\n**Evidence**\n\n`icB()` at line 274892 (contains `\"sessions-index.json\"`, `tengu_session_index` flag check via `Vm1()`)"}