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Changelog

[1.4.5] - 2026-02-05

Added

  • Configure Models Menu Action - Auth login menu now includes a "Configure models" action that writes plugin model definitions directly into opencode.json, making setup easier for new users

  • cli_first Config Option - New configuration option to route Gemini models to Gemini CLI quota first, useful for users who want to preserve Antigravity quota for Claude models

  • toast_scope Configuration - Control toast visibility per session with toast_scope: "root_only" to suppress toasts in subagent sessions

  • Soft Quota Protection - Skip accounts over 90% usage threshold to prevent Google penalties, with configurable soft_quota_threshold_percent and wait/retry behavior

  • Gemini CLI Quota Management - Enhanced quota display with dual quota pool support (Antigravity + Gemini CLI)

  • OPENCODE_CONFIG_DIR Environment Variable - Custom config location support for non-standard setups

  • quota_refresh_interval_minutes - Background quota cache refresh (default 15 minutes)

  • soft_quota_cache_ttl_minutes - Cache freshness control for soft quota checks

Changed

  • Model Naming and Routing - Documented antigravity-prefixed model names and automatic mapping to CLI preview names (e.g., antigravity-gemini-3-flash → gemini-3-flash-preview)

  • Antigravity-First Quota Strategy - Exhausts Antigravity quota across ALL accounts before falling back to Gemini CLI quota (previously per-account)

  • Quota Routing Respects cli_first - Fallback behavior updated to respect cli_first preference

  • Config Directory Resolution - Now prioritizes OPENCODE_CONFIG_DIR environment variable

  • Enhanced Debug Logging - Process ID included for better traceability across concurrent sessions

  • Improved Quota Group Resolution - More consistent quota management with resolveQuotaGroup function

Fixed

  • #337: Skip disabled accounts in proactive token refresh
  • #233: Skip sandbox endpoints for Gemini CLI models (fixes 404/403 cascade)
  • Windows Config Auto-Migration: Automatically migrates config from %APPDATA%\opencode\ to ~/.config/opencode/
  • Root Session Detection: Reset isChildSession flag correctly for root sessions
  • Stale Quota Cache: Prevent spin loop on stale quota cache
  • Quota Group Default: Fix quota group selection defaulting to gemini-pro when model is null

Removed

  • Fingerprint Headers for Gemini CLI - Removed fingerprint headers from Gemini CLI model requests to align with official behavior
  • web_search Configuration Leftovers - Cleaned up remaining web_search config remnants from schema

Documentation

  • Updated README with model configuration options and simplified setup instructions
  • Updated MODEL-VARIANTS.md with Antigravity model names and configuration guidance
  • Updated CONFIGURATION.md to clarify quota_fallback behavior across accounts
  • Updated MULTI-ACCOUNT.md with dual quota pool and fallback flow details

[1.3.2] - 2026-01-27

Added

  • Quota check and account management in auth login - Added new --quota and --manage options to the auth login command for checking account quota status and managing accounts directly from the CLI (#284)

  • Request timing jitter - Added configurable random delay to requests to reduce detection patterns and improve rate limit resilience. Requests now include small random timing variations

  • Header randomization for fingerprint diversity - Headers are now randomized to create more diverse fingerprints, reducing the likelihood of requests being grouped and rate-limited together

  • Per-account fingerprint persistence - Fingerprints are now persisted per-account in storage, allowing consistent identity across sessions and enabling fingerprint history tracking

    • Added fingerprint restore operations to AccountManager
    • Extended per-account fingerprint history for better tracking
    • Fingerprint now shown in debug output

  • Scheduling mode configuration - Added new scheduling modes including cache-first mode that prioritizes accounts with cached tokens, reducing authentication overhead

  • Failure count TTL expiration - Account failure counts now expire after a configurable time period, allowing accounts to naturally recover from temporary issues

  • Exponential backoff for 503/529 errors - Implemented exponential backoff with jitter for capacity-related errors, matching behavior of Antigravity-Manager

Changed

  • Increased MODEL_CAPACITY backoff to 45s with jitter - Extended the base backoff time for model capacity errors from previous values to 45 seconds, with added jitter to prevent thundering herd issues

  • Regenerate fingerprint after capacity retry exhaustion - When all capacity retries are exhausted, the fingerprint is now regenerated to potentially get assigned to a different backend partition

  • Enhanced duration parsing for Go format - Improved parsing of duration strings to handle Go-style duration formats (e.g., 1h30m) used in some API responses

Fixed

  • Prevent toast spam for rate limit warnings - Added 5-second debounce for rate limit warning toasts to prevent notification flooding when multiple requests hit rate limits simultaneously (#286)

  • getEnabledAccounts now treats undefined as enabled - Fixed issue where accounts without an explicit enabled field were incorrectly filtered out. Accounts now default to enabled when the field is undefined

  • Show correct position in account toast for enabled accounts - Fixed the account position indicator in toast notifications to only count enabled accounts, showing accurate position like "Account 2/5" instead of including disabled accounts

  • Filter disabled accounts in all selection methods - Ensured disabled accounts are properly excluded from all account selection strategies (round-robin, least-used, random, etc.)

  • Robust handling for capacity/5xx errors - Implemented comprehensive retry logic for model capacity and server errors, achieving parity with Antigravity-Manager's behavior

    • Reordered parsing logic to prioritize capacity checks
    • Fixed loop retry logic to prevent state pollution
    • Added capacity retry limit to prevent infinite loops (#263)

  • Fixed @opencode-ai/plugin dependency location - Moved @opencode-ai/plugin from devDependencies to dependencies section, fixing runtime errors when the plugin was installed without dev dependencies

Removed

  • Removed deprecated web_search configuration - The deprecated web_search.default_mode and web_search.grounding_threshold configuration options have been fully removed. Use the google_search tool instead (introduced in 1.3.1)

[1.3.1] - 2026-01-21

Added

  • New google_search tool for web search - Implements Google Search grounding as a callable tool that the model can invoke explicitly
    • Makes separate API calls with only { googleSearch: {} } tool, avoiding Gemini API limitation where grounding tools cannot be combined with function declarations
    • Returns formatted markdown with search results, sources with URLs, and search queries used
    • Supports optional URL analysis via urlContext when URLs are provided
    • Configurable thinking mode (deep vs fast) for search operations
    • Uses gemini-3-flash model for fast, cost-effective search operations

Changed

  • Upgraded to Zod v4 and adjusted schema generation for compatibility
  • Deprecated web_search config - The web_search.default_mode and web_search.grounding_threshold config options are now deprecated. Google Search is now implemented as a dedicated tool rather than automatic grounding injection

Fixed

  • keep_thinking=true now works without debug mode - Fixed Claude multi-turn conversations failing with "Failed to process error response" when keep_thinking=true after tool calls, unless debug mode was enabled

    • Root cause: filterContentArray trusted any signature >= 50 chars for last assistant messages, but Claude returns its own signatures that Antigravity doesn't recognize
    • Fix: Now verifies signatures against our cache via isOurCachedSignature() before passing through. Foreign/missing signatures get replaced with SKIP_THOUGHT_SIGNATURE sentinel
    • Why debug worked: Debug mode injects synthetic thinking with no signature, triggering sentinel injection correctly

  • Fixed tool calls failing for tools with no parameters - Tools like hive_plan_read, hive_status, and hive_feature_list that have no required parameters would fail with Zod validation error state.input: expected record, received undefined

    • Root cause: When Claude calls a tool with no parameters, it returns functionCall without an args field. The response transformation only processed parts where functionCall.args was defined, leaving args as undefined
    • Fix: Changed condition to handle all functionCall parts, defaulting args to {} when missing, ensuring opencode's state.input always receives a valid record

  • Auth headers aligned with official Gemini CLI - Updated authentication headers to match the official Antigravity/Gemini CLI behavior, reducing "account ineligible" errors and potential bans (#178)

    • GEMINI_CLI_HEADERS["User-Agent"]: 9.15.1 → 10.3.0
    • GEMINI_CLI_HEADERS["X-Goog-Api-Client"]: gl-node/22.17.0 → gl-node/22.18.0
    • ANTIGRAVITY_HEADERS["User-Agent"]: Updated to full Chrome/Electron user agent string
    • Token exchange now includes Accept, Accept-Encoding, User-Agent, X-Goog-Api-Client headers
    • Userinfo fetch now includes User-Agent, X-Goog-Api-Client headers
    • fetchProjectID now uses centralized constants instead of hardcoded strings

  • quiet_mode now properly suppresses all toast notifications - Fixed quiet_mode: true in antigravity.json not suppressing "Status dialog dismissed" and other toast notifications (#207)

    • Root cause: The showToast helper function didn't check quietMode, and only some call sites had manual !quietMode && guards
    • Fix: Moved quietMode check inside showToast helper so all toasts are automatically suppressed when quiet_mode: true

Removed

  • Removed automatic googleSearch injection - Previously attempted to inject { googleSearch: {} } into all Gemini requests, which never worked due to API limitations. Now uses the explicit tool approach instead

[1.3.0] - Previous Release

See releases for previous versions.