TimescaleDB 2. 27, released May 12 2026, extends bloom-filter batch pruning from reads to writes. UPDATE, DELETE, and UPSERT against compressed columnstore data can now skip decompressing batches that provably cannot contain the target rows.
Source: [Dev.to](https://dev.to/polliog/timescaledb-227-added-bloom-filters-to-update-and-delete-your-explain-wont-tell-you-if-they-work-1c8n)