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Concurrent ATTACH of fresh PostgreSQL-backed DuckLake catalog can fail with duplicate schema key

Status: Open.

#1229 In duckdb/ducklake;

· qq-codex opened on Jun 8, 2026

initial load to DuckLake is very slow

needs triage

Status: Open.

#1228 In duckdb/ducklake;

· Alex-T-NPS opened on Jun 7, 2026

INSERT into a wide table is column-driven and not bounded by row_group size or batching (110-col table needs ~8 GB to load 50k rows) — DuckLake on DuckDB 1.5.3

Status: Open.

#1226 In duckdb/ducklake;

· jzillmann opened on Jun 6, 2026

Reading a VARCHAR column from a Postgres-backed inlined table crashes once the inlined chunk exceeds ~2 GB (linux_arm64)

needs triage

Status: Open.

#1225 In duckdb/ducklake;

· giomattoni opened on Jun 6, 2026

CHECKPOINT handles missing S3 files inconsistently depending on credential method

needs triage

Status: Open.

#1222 In duckdb/ducklake;

· pckilgore opened on Jun 4, 2026

inlined tables not being cleaned up

needs triage

Status: Open.

#1219 In duckdb/ducklake;

· tkerwin opened on Jun 3, 2026

BUG: concurrent inlined and parquet deletes on the same row commit without conflict

Status: Open.

#1215 In duckdb/ducklake;

· GavinPizza opened on Jun 1, 2026

Table defaults appear broken

needs triage

Status: Open.

#1212 In duckdb/ducklake;

· billziss-gh opened on May 31, 2026

Macro NULL default does not work and can corrupt ducklake

needs triage

Status: Open.

#1211 In duckdb/ducklake;

· billziss-gh opened on May 31, 2026

Sorted tables without sort direction lead to wrong order

needs triage

Status: Open.

#1205 In duckdb/ducklake;

· billziss-gh opened on May 29, 2026

INTERNAL Error in ducklake_table_deletions/ducklake_table_changes when filtering on a column not in the SELECT list (real delete-file path)

Status: Open.

#1201 In duckdb/ducklake;

· KumoSiunaus opened on May 29, 2026

table_changes / ducklake_table_deletions reports the wrong snapshot_id for deletes in real delete files, depending on virtual-column projection order

Status: Open.

#1199 In duckdb/ducklake;

· KumoSiunaus opened on May 28, 2026