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feat(expr): PostgreSQL 18 new expressions

A-exprArea: Scalar function, operator, expression framework.Area: Scalar function, operator, expression framework.

good first issueGood for newcomersGood for newcomers

P-lowPriority: Low.Priority: Low.

type/featureType: New feature.Type: New feature.

Status: Open.

#23368 In risingwavelabs/risingwave;

· xiangjinwu opened on Oct 6, 2025

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release-2.7

foyer panics in backfill test

type/flaky-testType: Flaky test failure.Type: Flaky test failure.

Status: Open.

#23361 In risingwavelabs/risingwave;

· BugenZhao opened on Oct 2, 2025

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release-2.7

panic when create changelog MV over global agg

type/bugType: Bug. Only for issues.Type: Bug. Only for issues.

Status: Open.

#23360 In risingwavelabs/risingwave;

· kwannoel opened on Oct 1, 2025

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release-2.7

investigate if we can replace <code>nperf</code> with <code>flamegraph-rs</code>

Status: Open.

#23354 In risingwavelabs/risingwave;

· BugenZhao opened on Sep 30, 2025

· 

release-2.7

Support alter sink set backfill_rate_limit

D-easyDifficulty: Easy, newcomer-friendly.Difficulty: Easy, newcomer-friendly.

good first issueGood for newcomersGood for newcomers

open to contributionIssues that are open to contribution.Issues that are open to contribution.

type/featureType: New feature.Type: New feature.

Status: Open.

#23353 In risingwavelabs/risingwave;

· hzxa21 opened on Sep 30, 2025

· 

release-2.7

Prisma ORM compatibility issue: SQL parser fails with parameterized LIMIT/OFFSET clauses

type/bugType: Bug. Only for issues.Type: Bug. Only for issues.

Status: Open.

#23345 In risingwavelabs/risingwave;

· hemendpatel opened on Sep 29, 2025

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release-2.7

apply downstream sink schema change after checkpoint

type/featureType: New feature.Type: New feature.

Status: Open.

#23341 In risingwavelabs/risingwave;

· wenym1 opened on Sep 29, 2025

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release-2.7

Tracking locality backfill

type/featureType: New feature.Type: New feature.

Status: Open.

#23338 In risingwavelabs/risingwave;

· chenzl25 opened on Sep 29, 2025

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release-2.7

Improve row count estimates for both users to estimate the rows in a relation, and for backfilling progress

type/featureType: New feature.Type: New feature.

Status: Open.

#23337 In risingwavelabs/risingwave;

· kwannoel opened on Sep 29, 2025

· 

release-2.7

Support Ordered Set Aggregation for Window Functions

type/featureType: New feature.Type: New feature.

Status: Open.

#23335 In risingwavelabs/risingwave;

· kwannoel opened on Sep 29, 2025

· 

release-2.7

bug: compaction sees the same epoch multiple times for a key in singleton state table

type/bugType: Bug. Only for issues.Type: Bug. Only for issues.

Status: Open.

#23332 In risingwavelabs/risingwave;

· hzxa21 opened on Sep 28, 2025

· 

release-2.7

Make DML manager error message less confusing during ReplaceTablePlan

type/featureType: New feature.Type: New feature.

Status: Open.

#23325 In risingwavelabs/risingwave;

· hzxa21 opened on Sep 27, 2025

· 

release-2.7