VS Code: Agent Host Session Moves and Model Cleanup

Agent Host work dominates with groundwork to move chats between sessions plus downgrade and SSH stability fixes, while Copilot cleans up model tiers and retires experiments. MCP migration, canvas pills, and editor polish round out the day.

Duration: PT2M54S

Episode overview

This episode is a short developer briefing from VS Code.

It explains recent repository work in plain language.

  • Show: VS Code
  • Published: 2026-10-13T13:10:13Z
  • Audio duration: PT2M54S

Transcript excerpt

This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.

It's October 13th, 2026 — welcome to your VS Code daily briefing.

The headline: Agent Host is being reworked to let chats move between sessions, and most of today's work is making that move safe for stable releases.

First, session ownership. PR 341191 stops deriving a chat's owning session from its chat address and uses recorded ownership instead, described as Block 1 of the move work. PR 341293 follows as Block 2a, recording the default chat role explicitly rather than inferring it from address shape. For developers, that…

Second, Copilot model cleanup. PR 341121 pulls Hydra Fusion out of Auto into its own model with Default and Max tiers, while PR 341165 tags edits so those two can be told apart. Two experiments are being retired: the Claude reasoning effort override in PR 341202, and the subagents default-to-Auto setting in PR…

Finally, customization and editor polish. PR 341224 migrates MCP servers that use input prompts into environment variables so they work in the Copilot harness, and PR 340900 keeps agent plugins intact across portable moves. In the editor, PR 341271 brings canvas pills to Editor window chat input so closed canvases…

What's next: watch for further chat-move…

Nearby episodes from VS Code

  1. Copilot Auto Tiers and Agent Host Hardening
  2. Weekly Recap - Agent Host Control and Session Reliability
  3. Agent Host Opens Up and Auto Tiers Expand
  4. Agent Host Hardening and Migration Polish
  5. Agent Host Policy Gates, Session Durability, Markdown Upgrades
  6. Agent Host Upgrades and Mission Control Lockdown
  7. Agent Host Steady State and Shell Reliability
  8. Agent Session Stabilization