Changelog

New updates and improvements to OpenCode

1. Mar 31, 2026v1.3.12

   Enabled prompt caching and cache token tracking for Google Vertex Anthropic

   Improvements

   • CoreFixed Azure provider options being forwarded correctly after the AI SDK v6 migration.
   • TerminalFixed plugin replace slots mounting content more than once.
2. Mar 31, 2026v1.3.11

   Add a dedicated system prompt for Kimi models

   Improvements

   • TerminalImprove TUI terminal output passthrough so external command output renders more reliably.
3. Mar 31, 2026v1.3.10

   Subagent tool calls stay clickable while they are pending

   Improvements

   • CoreImproved storage migration reliability so malformed legacy records or failed migrations do not corrupt upgraded state.
   • TerminalImproved muted text contrast in the Catppuccin themes.
4. Mar 30, 2026v1.3.9

   Fixed plugin entrypoint resolution for paths without leading dot

5. Mar 30, 2026v1.3.7

   Added first-class PowerShell support on Windows

   Improvements

   • CorePlugin installs now preserve JSONC comments in configuration files
   • CoreFixed OPENCODE_DISABLE_CLAUDE_CODE_PROMPT not being respected for project-level CLAUDE.md
   • TerminalImproved variant modal behavior to be less intrusive
   • TerminalAdded theme colors for dialog textarea placeholders
6. Mar 29, 2026v1.3.6

   PR #19917

   PR #19917: Fixed variant dialog search so typing now properly filters the list of variants

   Improvements

   • CorePR #19758: Fixed token usage double-counting for Anthropic and Amazon Bedrock providers that caused inflated token counts in session metrics
7. Mar 29, 2026v1.3.5

   Fix plugin hooks to properly handle async operations

   Improvements

   • CoreAdjust GPT prompt to be more minimal and fix file reference annoyances
8. Mar 29, 2026v1.3.4

   Add prompt slot feature

   Improvements 39

   • CoreUpdate opencode-gitlab-auth to 2.0.1@vglafirov
   • CoreRefactored session processor to use effect-based architecture
   • CoreUse AppFileSystem instead of raw Filesystem for better abstraction
   • CoreUpgrade OpenTUI to version 0.1.91
   • CoreAdjust bash tool description to increase cache hit rates between projects
   • CoreUpdate Effect to version 4.0.0-beta.42
   • CoreRefactor session compaction service to use Effect
   • CoreAdd single target plugin entrypoints
   • CoreUse ChildProcessSpawner instead of Process.spawn for formatting
   • CoreMove more responsibility to workspace routing
   • CoreRefactor Session service to use Effect-based architecture
   • CoreAdd support for AI SDK v6
   • CoreAdd additional overflow error patterns to error handling
   • CoreFix flaky plugin tests by removing mock.module which is not supported in Bun
   • CoreSplit out instance and route through workspaces
   • CoreEffectify Plugin service internals
   • CoreEffectify Skill service internals
   • CoreAdd TUI plugins support
   • CoreRefactor tool registry to yield Config and Plugin services using Effect.forEach
   • CoreIgnore generated models snapshot files
   • CoreReplace async git() with ChildProcessSpawner in VCS module
   • CoreYield services instead of promise facades in Effect refactor
   • CoreFixed web UI bundle build on Windows
   • CoreImprove app startup performance
   • CoreClose MCP transport on failed or timed-out connections
   • CoreUse cachedInvalidateWithTTL for config and bump Effect to beta.37
   • CoreRefactor Config service to use Effect
   • CoreRemove workspace server and WorkspaceContext, improve routing architecture
   • CoreAdd GPT prompt so non-Codex GPT models have their own system prompt modeled after Codex CLI
   • CoreRefactor LSP service with InstanceState using Effect
   • TerminalUse theme color for prompt placeholder
   • TerminalAdd dialog variant menu and improve subagent functionality
   • TerminalOpen dialog for model variant selection instead of cycling
   • TerminalCheck KV theme before falling back to default theme
   • TerminalAdd top spacing to session view and remove obsolete documentation prompt
   • TerminalRestore subagent footer and fix style guide violations
   • TerminalAdd model variant selection dialog
   • TerminalRemove variant cycle display from footer
   • TerminalMove session context into prompt footer
9. Mar 26, 2026v1.3.3

   Bypass local SSE event streaming in worker for improved performance

   Improvements 8

   • TerminalFix image paste support on Windows Terminal 1.25+ with kitty keyboard enabled
   • CoreInitial implementation of event-sourced syncing system for session data
   • CoreFix enterprise URL not being set properly during authentication flow
   • CoreClassify ZlibError from Bun fetch as retryable instead of unknown error
   • CoreSkip snapshotting files larger than 2MB to improve performance
   • CoreRespect agent permission configuration for todowrite tool
   • CoreFix DWS workflow tools being silently cancelled due to missing tool approval support
   • CoreFix MCP servers disappearing after transient errors and improve OAuth handling
10. Mar 24, 2026v1.3.2

    Improvements

    Improvements

    • TerminalAdded heap snapshot functionality allowing users to capture memory snapshots of both TUI and server processes via the "Write heap snapshot" command. Snapshots are saved to tui.heapsnapshot and server.heapsnapshot files.