Who contributed to Supabase on August 26, 2026?

9 developers shipped this update, including Joshen Lim, Charis, SaxonF, supabase-evals-releaser, claude, claude[bot], edgurgel, and Tobias Pfeiffer, and 1 more.

What were the notable Supabase updates?

fix: fix gen_rpc counter reset bug, fix: fix gen_rpc counter reset bug (#2131), and feat(studio): add assistant notebook run tool.

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REALTIME FIXES PROMETHEUS COUNTER BUG

By RepoJournal · Filed 06:57 UTC on August 26, 2026 · About Supabase

9 people shipped this

SaxonF @SaxonF 3 cited

github-actions[bot] @github-actions[bot] 3 cited

claude @claude 2 cited

edgurgel @edgurgel 2 cited

Tobias Pfeiffer @PragTob 1 cited

Joshen Lim @joshenlim

Charis @charislam

supabase-evals-releaser @supabase-evals-releaser

claude[bot] @claude[bot]

A subtle counter reset bug in Realtime's gen_rpc metrics was skewing Prometheus dashboards, and the fix is out now.

Realtime's Prometheus gauges were dropping whenever a gen_rpc TCP port recycled, because the summed per-socket counters reset to zero, corrupting rate() and increase() queries [1]. The fix accumulates stats properly so metrics stay accurate [2]. Meanwhile, the supabase/supabase studio shipped a stack of assistant notebook improvements: new run tool, result UI, and terminal state polish [3][4][5]. The evals repo now requires explicit `interface:` in every eval frontmatter, with a backfill for existing cases [6]. Runtime artifacts landed for realtime v2.129.10, postgres 17.6.1.166, and pooler v2.9.12, each with multi-platform Docker images and immutable sha256 refs [7][8][9]. Devs also bumped MCP_SERVER_VERSION to 0.11.0 to enable the new `query_logs` tool [10]. As the release notes for the eval frontmatter change say, "Several evals are missing explicit `interface:`" [6]. Also, the Realtime team is ignoring the latest cowlib advisory because no fix is out and it doesn't apply to them [11].

Action items

→ Pull in the gen_rpc counter reset fix in Realtime to keep Prometheus metrics accurate supabase/realtime [immediate]
→ Backfill `interface:` in eval frontmatter for the six listed evals supabase/evals [plan]
→ Adopt MCP_SERVER_VERSION 0.11.0 to unlock the query_logs tool supabase/evals [plan]
→ Update to realtime v2.129.10, postgres 17.6.1.166, and pooler v2.9.12 for multi-platform runtime artifacts supabase/slim-services [monitor]

References

[1] fix: fix gen_rpc counter reset bug ↗ supabase/realtime
[2] fix: fix gen_rpc counter reset bug (#2131) supabase/realtime
[3] feat(studio): add assistant notebook run tool ↗ supabase/supabase
[4] feat(studio): render assistant notebook runs ↗ supabase/supabase
[5] fix(studio): clarify assistant tool terminal states ↗ supabase/supabase
[6] feat: require `interface:` in eval frontmatter and backfill ↗ supabase/evals
[7] realtime v2.129.10 ↗ supabase/slim-services
[8] postgres 17.6.1.166 ↗ supabase/slim-services
[9] pooler v2.9.12 ↗ supabase/slim-services
[10] chore: bump MCP_SERVER_VERSION to 0.11.0 and adapt references ↗ supabase/evals
[11] chore: Ignore the latest cowlib advisory (#2126) supabase/realtime

Quick answers

What shipped in Supabase on August 26, 2026?: A subtle counter reset bug in Realtime's gen_rpc metrics was skewing Prometheus dashboards, and the fix is out now. In total, 33 commits, 32 pull requests, and 4 releases landed.
Who contributed to Supabase on August 26, 2026?: 9 developers shipped this update, including Joshen Lim, Charis, SaxonF, supabase-evals-releaser, claude, claude[bot], edgurgel, and Tobias Pfeiffer, and 1 more.
What were the notable Supabase updates?: fix: fix gen_rpc counter reset bug, fix: fix gen_rpc counter reset bug (#2131), and feat(studio): add assistant notebook run tool.

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