maximhq/bifrost core/v1.4.21 on GitHub

Core Release v1.4.21

fix: OpenAI provider - flatten array-form tool_result output for Responses API (thanks @martingiguere!)
fix: Gemini provider - handle content block tool outputs in Responses API path (thanks @tom-diacono!)
fix: case-insensitive anthropic-beta merge in MergeBetaHeaders
fix: Bedrock provider - emit message_stop event for Anthropic invoke stream (thanks @tefimov!)
fix: Bedrock provider - preserve image content in tool results for Converse API (thanks @Edward-Upton!)
fix: gemini preserves thinkingLevel parameters during round-trip and finish reason mapping
fix: WebSearch tool argument handling for all clients by removing the Claude Code user agent restriction
fix: capture responses streaming API errors
fix: delete fallbacks from outgoing Anthropic requests
feat: claude-opus-4-7 compatibility
fix: token usage for vllm

go get github.com/maximhq/bifrost/core@v1.4.21

This release was automatically created from version file: core/version