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[BUG] [Spark] Spark does not honor parquet compression codec table property

bugSomething isn't workingSomething isn't working

Status: Open.

#6803 In delta-io/delta;

· felipepessoto opened on May 15, 2026

[BUG] Spark V2 streaming does not push down required columns to the scan builder

bugSomething isn't workingSomething isn't working

Status: Open.

#6800 In delta-io/delta;

· TimothyW553 opened on May 15, 2026

Add the tableIdentifier in the UCClient#getCommits API to support both uc client and uc delta client.

Status: Open.

#6784 In delta-io/delta;

· openinx opened on May 14, 2026

Add public API for serializing snapshot state for distributed execution

Status: Open.

#6757 In delta-io/delta;

· seewishnew opened on May 9, 2026

[BUG][Spark] Data skipping is too conservative for AND predicates

bugSomething isn't workingSomething isn't working

Status: Open.

#6755 In delta-io/delta;

· BenMagyar opened on May 9, 2026

[Kernel] Specific exception subclasses for loadSnapshotAt version failures

Status: Open.

#6745 In delta-io/delta;

· zikangh opened on May 7, 2026

[kernel-spark] Bundle scan-level schemas into a single context object

Status: Open.

#6743 In delta-io/delta;

· zikangh opened on May 7, 2026

[PROTOCOL RFC] New writer feature for clustering-by expressions

Status: Open.

#6736 In delta-io/delta;

· itsbilal opened on May 6, 2026

Docs Enhancement

delta-docsIssues and PRs related to docs chagnesIssues and PRs related to docs chagnes

Status: Open.

Task

#6735 In delta-io/delta;

· newfront opened on May 6, 2026

[BUG][Spark] Deletion vectors are silently ignored when reading a Delta Sharing source into an Iceberg sink.

bugSomething isn't workingSomething isn't working

Status: Open.

#6719 In delta-io/delta;

· 0rnella opened on May 5, 2026

[Feature Request][Spark] Metadata cleanup can orphan retained versions when no checkpoint exists at the retention boundary

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#6718 In delta-io/delta;

· dmattos-sap opened on May 5, 2026

[BUG] writes to brand-new Delta paths fails with java.io.UncheckedIOException on GCS

bugSomething isn't workingSomething isn't working

Status: Open.

#6707 In delta-io/delta;

· viadea opened on May 1, 2026