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Nested None values break TOML provider serialization

Status: Open.

#4248 In dlt-hub/dlt;

· mattfaltyn opened on Jul 17, 2026

nested_hints: path fragment containing '__' silently normalized away since 1.28 — hint targets nonexistent table, no warning

Status: Open.

#4247 In dlt-hub/dlt;

· rstover-fo opened on Jul 17, 2026

SCD2 compound merge-key collisions retire unrelated active records

Status: Open.

#4244 In dlt-hub/dlt;

· mattfaltyn opened on Jul 16, 2026

save_schema poisons _imported_version_hash when sync_destination restores stale schema

bugSomething isn't workingSomething isn't working

supportThis issue is monitored by Solution EngineerThis issue is monitored by Solution Engineer

Status: Open.

#4242 In dlt-hub/dlt;

· francescomucio opened on Jul 16, 2026

add_dlt_load_id_column silently drops RecordBatch columns whose name is a substring of _dlt_load_id

Status: Open.

#4240 In dlt-hub/dlt;

· chuenchen309 opened on Jul 16, 2026

Update Frankfurter context page to API v2

Status: Open.

#4237 In dlt-hub/dlt;

· lineoffligbot opened on Jul 16, 2026

ArrowIncremental calls a callable primary_key with the whole table instead of a single row

Status: Open.

#4232 In dlt-hub/dlt;

· chuenchen309 opened on Jul 16, 2026

build_typed_literal produces malformed numeric literal for bool values, crashing sqlglot's type annotation pass

Status: Open.

#4230 In dlt-hub/dlt;

· chuenchen309 opened on Jul 15, 2026

JsonLItemsNormalizer fast path silently skips timezone normalization, corrupting timestamp values

Status: Open.

#4228 In dlt-hub/dlt;

· chuenchen309 opened on Jul 15, 2026

Filesystem: replace silently deletes nothing when extra_placeholders overrides {schema_name}

Status: Open.

#4224 In dlt-hub/dlt;

· lucasmfraser opened on Jul 14, 2026

feat: .add_limit() on @dlt.source instance or factory

enhancementNew feature or requestNew feature or request

Status: Open.

#4218 In dlt-hub/dlt;

· zilto opened on Jul 14, 2026

qol: dashboard Python dependency group

QoLQuality of Life: improve the developer experienceQuality of Life: improve the developer experience

Status: Open.

#4217 In dlt-hub/dlt;

· zilto opened on Jul 13, 2026