---
features:
  - |
    `ToolInvoker` now executes `tool_calls` in parallel for both sync and async mode.

deprecations:
  - |
    `async_executor` parameter in `ToolInvoker` is deprecated in favor of `max_workers` parameter and will be removed in Haystack 2.16.0.
    You can use `max_workers` parameter to control the number of threads used for parallel tool calling.
