v0.26.0-rc.0

What's Changed

Fixed

• #5281 Blocks: Use correct separators for filesystem paths and object storage paths respectively.
• #5300 Query: Ignore cache on queries with deduplication off.

Added

• #5220 Query Frontend: Add --query-frontend.forward-header flag, forward headers to downstream querier.
• #5250 Querier: Expose Query and QueryRange APIs through GRPC.
• #5290 Add support for ppc64le

Changed

• #4838 Tracing: Chanced client for Stackdriver which deprecated "type: STACKDRIVER" in tracing YAML configuration. Use type: GOOGLE_CLOUD instead (STACKDRIVER type remains for backward compatibility).
• #5170 All: Upgraded the TLS version from TLS1.2 to TLS1.3.
• #5205 Rule: Add ruler labels as external labels in stateless ruler mode.
• #5206 Cache: Add timeout for groupcache's fetch operation.
• #5218 Tools: Thanos tools bucket downsample is now running continously.
• #5231 Tools: Bucket verify tool ignores blocks with deletion markers.
• #5244 Query: Promote negative offset and @ modifier to stable features as per Prometheus #10121.
• #5255 InfoAPI: Set store API unavailable when stores are not ready.
• #5256 Update Prometheus deps v2.33.5.
• #5271 DNS: Fix miekgdns resolver to work with CNAME records too.

Removed

• #5145 UI: Remove old Prometheus UI.

New Contributors

• @tomas-mota made their first contribution in #5202
• @appit-online made their first contribution in #5170
• @pablo-ruth made their first contribution in #5224
• @lcasi made their first contribution in #5220
• @dimitarvdimitrov made their first contribution in #5229
• @guilhermef made their first contribution in #5267
• @Zophar78 made their first contribution in #5273
• @jgbernalp made their first contribution in #5233
• @Ebaneck made their first contribution in #5289
• @mgiessing made their first contribution in #5290
• @douglascamata made their first contribution in #5300

Full Changelog: v0.25.2...v0.26.0-rc.0