- Added support for a global distinct attribute in federated search, enabling cross‑index distinct computation and facet distribution (query‑level distinct now disallowed).
- Improved performance and memory usage: federated search ~100 ms faster, optimized JSON document generation for large payloads, and upgraded to mimalloc v3 for significantly lower memory consumption on heavy workloads.
- Introduced experimental POST /tasks/compact endpoint for task‑queue compaction (writes blocked until restart) and applied several security dependency updates.
v1.40.0 🦈
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Added environment variable to limit concurrent LMDB read transactions for the task queue.
Reverts a recent search speed optimisation introduced in PR #6542 to fix related issues
Reverted the `/tasks/stream` and `/batches/stream` Server-Sent Events (SSE) endpoints.