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description
Release notes and version history for Acme, documenting new features, changes, and bug fixes across all releases.

Changelog

All notable changes to Acme are documented here.

v2.4.0 — 2026-02-15

Added

Real-time CDC support for PostgreSQL sources. See [[guides/real-time-streaming|Real-time Streaming Guide]].
New webhook destination type for pushing events to HTTP endpoints.
Pipeline-level environment variable overrides in acme.yml.

Changed

Improved error messages for connection failures. Errors now include the connector name and a suggested fix.
The [[api-reference/scheduler|Scheduler API]] now returns next_run_at in ISO 8601 format.

Fixed

Fixed a race condition when running multiple pipelines targeting the same BigQuery table.
Resolved memory leak in long-running streaming pipelines (>48h).

Note

This release requires a database migration. Run acme migrate up before starting the server.

v2.3.0 — 2026-01-20

Added

[[guides/authentication|OAuth 2.0 authentication]] for API access.
Support for Parquet file sources.
acme test command for [[guides/testing-pipelines|pipeline validation]].

Changed

Default batch size increased from 1,000 to 5,000 rows.
Connector health checks now run every 30 seconds (was 60).

Fixed

Fixed incorrect row counts in pipeline run summaries.
S3 connector now handles eventual consistency properly.

v2.2.0 — 2025-12-10

Added

Custom [[concepts/transforms|transform functions]] in Python.
Pipeline dependency graphs with depends_on.
Slack notification channel for pipeline failures.

Fixed

CSV parser now handles quoted newlines correctly.
Fixed timezone handling in MySQL datetime columns.

v2.1.0 — 2025-11-05

Added

Initial support for [[concepts/connectors|streaming connectors]] (Kafka, Redis Streams).
Dark mode for the web dashboard.
Export pipeline runs as CSV.