IntelliJ Plugin 0.428.9 Release Note

New Features:
- Extension Status dialog text is now copyable for easier bug reporting.
- Added support for JetBrains 2026.2 EAP IDEs.
- Code Review notification now shown to new users with a link to learn more.
- Enterprise repository allowlist changes now take effect dynamically without restarting the IDE.
- Added sign-out option when accessing a blocked repository.
- Added Beta section in settings for opting into preview features.
- MCP server authentication now supports OAuth scopes.
- MCP servers now prefer stored secrets over config header templates.
- MCP OAuth handles empty client secrets gracefully.
- Tool calls are now rendered in conversation share links.
- Slash commands now support message queueing for improved reliability.
- Improved YAML multiline string support in frontmatter parsing (rules and AGENTS.md files).

Performance:
- Fixed multiple memory leaks (blob URLs, subprocess timeouts, file watchers, timer disposal).
- Added circuit breaker limits to prevent process and terminal file descriptor leaks.
- UI rendering throttled to match display refresh rate for smoother performance.
- Improved message list rendering performance.
- Optimized chat input autocomplete responsiveness.
- Cleaned up subscriptions, event listeners, and orphaned state to reduce memory usage.
- Parallelized task tool operations to prevent hanging.
- Paused frame rate measurement on frame drops to avoid compounding UI jank.

Bug Fixes:
- Fixed settings page stuck loading due to gRPC retry storm.
- Fixed rules and guidelines character limit being too restrictive.
- Fixed missing guidelines chip in chat input context bar.
- Fixed null bytes in apply_patch causing failures.
- Fixed Jira/Confluence 400 validation errors not surfacing in IDE chat.
- Removed max-width cap on chat webview for better use of available space.
- Fixed feature flags race condition during reset.
- Increased selected code budget and added fallback for oversized selections.
- Fixed deleted conversations not being persisted immediately.
- Fixed duplicate response nodes that could cause Anthropic 400 errors.
- Fixed orchestrator prompt extension using override instead of append.
- Fixed tooltip poppers blocking clicks on UI elements.
- Fixed slash command menu text wrapping overflow.
- Fixed enhance prompt shortcut (Cmd+/) not respecting focused input.
- Fixed saga restart using exponential backoff instead of fixed restart.
- Fixed memory settings not propagating to tool list.
- Fixed hierarchical rules cache invalidation after edits.
- Fixed rules file watcher reliability.
- Fixed image preview modals.
- Fixed event loop resilience with throttled resolve-file-request.
- Fixed light/dark mode detection for custom JetBrains themes.