{"version":"2.1.317","anchor":"synced-skills-path-and-ultrathinktypedraises-added-to-sessio","canonical_anchor":"synced-skills-path-and-ultrathinktypedraises-added-to-sessio","heading":"Session start information gains three new fields","tier":"internal","area":"SDK","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.317\/e\/synced-skills-path-and-ultrathinktypedraises-added-to-sessio","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.317","markdown":"### Session start information gains three new fields\n\nThe information Claude Code sends when a session starts now includes `syncedSkillsPath`, `ultrathinkTypedRaises` and a `transportPersists` capability\n\n**Unclear.** What these three fields mean in practice is not known.\n\n**What**\n\nWhen a session starts, Claude Code sends information about it to connected apps. A session is one run of Claude Code from start to finish. This information now includes three more fields:\n\n- `syncedSkillsPath`\n\n- `ultrathinkTypedRaises`\n\n- `transportPersists`, listed as a capability\n\n**Why**\n\nApps built on Claude Code and remote clients receive more information about each session.\n\n- Area: SDK\n- Tier: Under the hood\n- Useful: 2\/5\n- Signal: 2\/5\n- Scope: individual\n- Heads-up: no"}