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Roo Code 3.34.6 Release Notes (2025-11-26)

This release adds AWS Bedrock embeddings support for code indexing, improves native tool and provider behavior, and fixes several reliability issues across Bedrock, Vertex, and native tooling.

Roo Code v3.34.6 Release

Features​

  • AWS Bedrock embeddings for code indexing: Adds support for using AWS Bedrock embeddings in code indexing so teams that standardize on Bedrock can reuse their existing infrastructure when indexing repos for Roo-based navigation and search (PR #9475).

QOL Improvements​

  • Native tool calling for Mistral: Adds native tool calling support for the Mistral provider, enabling more reliable tool workflows and better multi-step automation when using Mistral models (PR #9625).
  • Parallel native tool execution via OpenAI protocol: Wires the MULTIPLE_NATIVE_TOOL_CALLS experiment to OpenAI's parallel_tool_calls capability so multiple tools can run in parallel under the OpenAI-compatible protocol, improving throughput for tool-heavy tasks (PR #9621).
  • Fine-grained tool streaming for OpenRouter Anthropic: Adds fine-grained tool streaming support for Anthropic models on OpenRouter so tool call responses stream more smoothly and stay aligned with Anthropic's tool semantics (PR #9629).
  • Global inference selection for Bedrock with cross-region: Allows global inference to pick Bedrock models correctly even when cross-region routing is enabled, reducing the risk of mismatched regions or unavailable models during automatic selection (PR #9616).

Bug Fixes​

  • Vertex Anthropic content block filtering: Filters out non-Anthropic content blocks before sending requests to the Vertex Anthropic API so mixed or unsupported blocks no longer cause request failures (#9583, PR #9618).
  • WriteToFileTool partial content safety: Restores a missing content undefined check in WriteToFileTool.handlePartial() to prevent rare crashes or incorrect writes when partial content is unavailable (#9611, PR #9614).
  • Model cache avoids persisting empty responses: Prevents the model cache from persisting empty API responses so configuration and model metadata do not get silently replaced with blank entries (#9597, PR #9623).
  • Skip access_mcp_resource when no resources exist: Excludes the access_mcp_resource tool from native tool runs when an MCP server does not expose any resources, avoiding confusing no-op calls and making tool menus cleaner (PR #9615).
  • Inline terminal and indexing defaults: Updates default settings for the inline terminal and codebase indexing to better match common workflows out of the box, reducing the amount of manual tuning needed after installation (PR #9622).
  • Native new_task tool_result timing: Defers emitting the new_task tool_result in the native protocol until the corresponding subtask actually finishes, eliminating premature “done” signals and keeping task state accurate for downstream tools (PR #9628).