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Enabling root-key propagation on an existing populated nested table emits ALTER ... ADD _dlt_root_id NOT NULL — BigQuery: "Cannot add required fields to an existing schema"

Status: Open.

#4048 In dlt-hub/dlt;

· Rdwburns opened on Jun 10, 2026

scd2 merge strategy missing from requires_root_key() strategy whitelist — child tables silently lose _dlt_root_id

Status: Open.

#4047 In dlt-hub/dlt;

· Rdwburns opened on Jun 10, 2026

Support BigQuery RECORD and REPEATED RECORD as First-Class Schema Types

Status: Open.

#4042 In dlt-hub/dlt;

· VenkyRules opened on Jun 10, 2026

SQL destinations should not add new required dlt internal columns as NOT NULL on existing non-empty nested tables

Status: Open.

#4041 In dlt-hub/dlt;

· axellpadilla opened on Jun 10, 2026

bug(cli): dlthub message breaks piping

bugSomething isn't workingSomething isn't working

Status: Open.

#4035 In dlt-hub/dlt;

· zilto opened on Jun 9, 2026

Consecutive batches become incompatible and silently break the pipeline when type_adapter_callback returns None

bugSomething isn't workingSomething isn't working

Status: Open.

#4032 In dlt-hub/dlt;

· giomattoni opened on Jun 7, 2026

Native nested (json + x-nested-type) struct column breaks _dlt_pipeline_state normalization (pyarrow map coercion error) on filesystem

Status: Open.

#4031 In dlt-hub/dlt;

· tderk opened on Jun 6, 2026

Tens of MB of duplicated data written to pipeline state on every run due to boundary-row retention in unique_hashes

Status: Open.

#4030 In dlt-hub/dlt;

· giomattoni opened on Jun 6, 2026

No entry in _dlt_load table for inserted records

bugSomething isn't workingSomething isn't working

destinationIssue with a specific destinationIssue with a specific destination

Status: Open.

Bug

#4023 In dlt-hub/dlt;

· willi-mueller opened on Jun 4, 2026

(feat) deprecate replace full refresh with explicit drop_data pipeline run argument

enhancementNew feature or requestNew feature or request

Status: Open.

#4017 In dlt-hub/dlt;

· rudolfix opened on Jun 3, 2026

Naive Arrow timestamps lose timezone=False and are loaded as UTC-aware instead of naive

bugSomething isn't workingSomething isn't working

needs designValid but needs maintainer alignment on design or approach.Valid but needs maintainer alignment on design or approach.

Status: Open.

#4015 In dlt-hub/dlt;

· dbascoules opened on Jun 2, 2026

BigQuery: atomic metadata-preserving replace via WRITE_TRUNCATE_DATA load job

enhancementNew feature or requestNew feature or request

questionFurther information is requestedFurther information is requested

Status: Open.

#4012 In dlt-hub/dlt;

· oystersuki opened on Jun 1, 2026