Releasesby Glyphdlt 1.28.2
Core Library This is a patch release that allows 1.28.x dlt to use future versions of dlthub-client
Also shipped Jul 10, 2026dltHub in July 2026 →
Online Feature Store (Public Preview)
Online Feature Store is now available in public preview. Serve the latest feature values with low-latency online retrieval backed by Snowflake Postgres for real-time ML applications such as fraud detection, recommendations, and personalization.
Databricks-provided MCP Services will GA soon
Databricks-provided MCP Services for SaaS applications such as Slack, GitHub, Atlassian, and Google Drive will soon be generally available, with both read and write operations enabled by default. Admins and users can disable MCP Services and individual tools in Unity Gateway . See Connect agents to tools with MCP Services .
Secrets in Unity Catalog (Public Preview)
You can now store, govern, and access secrets as securable objects in Unity Catalog. A Unity Catalog secret uses the three-level namespace ( catalog.schema.secret ) and is governed by Unity Catalog privileges, so you can apply the same access controls and auditing that you use for other data assets. See Secrets in Unity Catalog .
Dreams research preview adds Claude Fable 5 and Claude Sonnet 5
Dreams, in research preview, now supports Claude Fable 5 and Claude Sonnet 5.
Agentic autofix for code scanning alerts in public preview
Agentic autofix is now in public preview for all code scanning alerts. It remediates alerts generated by CodeQL and third-party scanning tools by working across your codebase the way a developer would, it explores relevant files, proposes a fix, and reruns the original analysis to confirm the fix closes the alert before opening a pull request for your...
supabase-js will require TypeScript 5.0+ from January 31, 2027
@supabase/supabase-js will require TypeScript 5.0 starting January 31, 2027, dropping support for TypeScript 4.7 to 4.9.
More from dltEvery dlt release →
dlt 1.29.0
dlt 1.29.0 Release Notes Highlights ClickHouse staging-optimized replace strategy ( #3927 @filipesilva ) , ClickHouse now supports the staging-optimized replace strategy, performing atomic table swaps via EXCHANGE TABLES so a full replace is instantaneous and never leaves the destination in a half-loaded state.
dlt 1.29.1
dlt 1.29.1 Release Notes Core Library Add instance requirement spec for jobs ( #4262 @tetelio ) , Jobs can now declare runner instance requirements via require.instance (an open Dict[str, Any] , e.g. {"size": "medium"} ). The legacy machine key is deprecated , it still works and serializes, but now emits a DltDeprecationWarning pointing to instance .
dlt 1.28.1
dlt 1.28.1 Release Notes Python 3.9 EOL Dropped Python 3.9 support ( #4074 @Travior ) , Python 3.9 reached end-of-life on 2025-10-31. dlt no longer tests against or advertises support for 3.9. The ruff / mypy target versions were bumped accordingly. Users still on 3.9 must upgrade to 3.10+ to use this release.
dlt 1.28.0
dlt 1.28.0 Release Notes Breaking Changes refresh="drop_data" on Delta and persistent-catalog Iceberg no longer frees storage ( #4051 @rudolfix ) , Truncation is now a transactional delete that keeps the table, schema, version history, and data files (retained for time travel until vacuum ). Previously the files were deleted.
dlt 1.30.0
dlt 1.30.0 Release Notes Breaking Changes Failed load packages no longer auto-abort ( #3557 @anuunchin ) , auto_abort_on_terminal_error defaults to False . With raise_on_failed_jobs=True the job is now retried and you get a LoadClientJobTerminalRetry instead of LoadClientJobFailed , and the package stays pending.
dlt 1.27.2
Hotfix: fixes #3998 ( merge with empty data after replace on incremental truncates the destination table). Upgrade for anyone on 1.27.0/1.27.1.
1.27.1: Merge pull request #3986 from dlt-hub/devel
master merge for 1.27.1 release
dlt 1.31.0
dlt 1.31.0 Release Notes Breaking Changes 1. pendulum helpers removed from dlt.common.time; pendulum>=3 required (#4033 @rudolfix) - What changed: the minimum pendulum is now 3.0.0 on all Python versions. dlt still works with pendulum as before. documented usage and pendulum helpers work. Internally pendulum is not used.