Issues

• GCS: UC-vended OAuth bearer tokens can't reach the Delta log reader

  duckdb/duckdb-delta#356 · Filter by author ni-mi opened on Sep 13, 2026

• delta_scan returns NULL for all partition columns when column mapping is enabled

  duckdb/duckdb-delta#343 · Filter by author tariqph opened on Aug 24, 2026

• Potential partition pruning oversight/bug

  duckdb/duckdb-delta#333 · Filter by author Tishj opened on Aug 6, 2026

• Feature request : expose Parquet option

  duckdb/duckdb-delta#298 · Filter by author djouallah opened on Mar 26, 2026

• Writes to managed Delta tables fail: Unknown feature 'icebergWriterCompatV1'

  duckdb/duckdb-delta#289 · Filter by author randypitcherii opened on Mar 12, 2026
  1

• writing to partitionned table is broken

  duckdb/duckdb-delta#280 · Filter by author djouallah opened on Feb 11, 2026
  3

• ABFSS Select From glob not recognising * wildcards

  duckdb/duckdb-delta#278 · Filter by author daryl-lynch-bzy opened on Feb 6, 2026
  2

• S3 secrets are ignored for the s3a:// prefix

  duckdb/duckdb-delta#272 · Filter by author Miosp opened on Jan 19, 2026

• Latest nightly version not available

  duckdb/duckdb-delta#263 · Filter by author abhi-airspace-intelligence opened on Dec 10, 2025
  1

• delta_scan ignores GCS secrets and uses anonymous access

  duckdb/duckdb-delta#255 · Filter by author ik8 opened on Oct 21, 2025
  4

• Delta scan uses path-style addressing on OSS despite vhost configuration, causing 403 SecondLevelDomainForbidden

  duckdb/duckdb-delta#252 · Filter by author z2665 opened on Oct 8, 2025
  2

• New GEOMETRY and GEOGRAPHY columns in delta/Databricks are not supported

  duckdb/duckdb-delta#248 · Filter by author danielsparing opened on Sep 29, 2025
  3

• Feature Request : expose a function to list the latest table version

  duckdb/duckdb-delta#234 · Filter by author djouallah opened on Aug 5, 2025
  1

• Delta extension: IO Error when scanning table with long or multi-line and unicode string data

  duckdb/duckdb-delta#232 · Filter by author daniel-leicht opened on Aug 4, 2025
  2

• Support appends

  enhancement
  duckdb/duckdb-delta#228 · Filter by author samansmink opened on Aug 1, 2025
  4

  

• Timetravel support

  enhancement
  duckdb/duckdb-delta#227 · Filter by author samansmink opened on Aug 1, 2025
  3

• File scanning not done properly on date type, it scans all files.

  duckdb/duckdb-delta#220 · Filter by author AshutoshSinghai-InvizAI-DataEngg opened on Jul 9, 2025
  2

• Cannot load table name with space and hyphen in delta_scan() for abfss

  duckdb/duckdb-delta#217 · Filter by author DixsonJohn opened on Jun 18, 2025
  1

• Support & test all types of predicates

  duckdb/duckdb-delta#203 · Filter by author samansmink opened on May 27, 2025

• Delta scan error from s3 bucket on linux

  duckdb/duckdb-delta#194 · Filter by author kapteinkaald opened on May 20, 2025
  1

• DuckDB raises exception while query DeltaLake table after merge process updates fields |table->struct->list->struct->field|

  duckdb/duckdb-delta#192 · Filter by author akelsaman opened on May 16, 2025

• Unsupported type cast detected in Delta table for nested timestamp

  duckdb/duckdb-delta#186 · Filter by author jeffchl opened on May 2, 2025
  1

• UNC or mapped network drive on Windows?

  duckdb/duckdb-delta#183 · Filter by author riziles opened on Apr 27, 2025

• Unsupported: Unsupported ReaderFeatures ["V2Checkpoint"]

  duckdb/duckdb-delta#182 · Filter by author darrenkeydata opened on Apr 18, 2025
  2

• Case-sensitive reading of column names is not supported in "delta_scan"

  duckdb/duckdb-delta#177 · Filter by author Sunny-Island opened on Mar 27, 2025
  2