Copilot Chat v0.43.2026040303: Electron & SDK Updates

Copilot Chat v0.43.2026040303 ships Electron 39.8.4, a new fetchedValue concept, and fixes for SDK header merging and summarization retry logic.

Copilot Chat v0.43.2026040303: Electron & SDK Updates

TL;DR

  • Electron bumped from 37.8.0 to 39.8.4 for security and stability
  • New fetchedValue concept added for improved data handling
  • SDK Anthropic-beta headers now properly merged with base endpoint
  • Summarization retry logic fixed to prevent repeated failures

New

  • fetchedValue concept — New abstraction for managing fetched data, with follow-up refinements in subsequent PRs
  • Multi-selection range improvements — Experimental setup for enhancements to multi-SR handling

Fixed

  • SDK header merging — Anthropic-beta headers from SDK now correctly merge with base endpoint betas instead of conflicting
  • Summarization retry loop — Prevents repeated foreground summarization attempts after initial failure
  • Model updates — Various model-related fixes and adjustments

Update via VS Code extensions marketplace or run: code --install-extension ms-copilot.copilot-chat

Source: Copilot Chat