3.6.1

Date: 2026-01-27 Tag: 3.6.1

Overview

Tarantool 3.x is the recommended release series. Users of Tarantool 2.11 are encouraged to update to the latest 3.x release.

This release resolves 3 bugs since 3.6.0.

Please consider the full list of user-visible changes below.

Compatibility

Tarantool 2.x and 3.x are compatible in the binary data layout, client-server protocol, and replication protocol. It means upgrade may be performed with zero downtime for read requests and the order-of-network-lag downtime for write requests.

Please follow the upgrade procedure to plan your update actions.

Users of Tarantool 2.x may be interested in the compat options that allow to imitate some 2.x behavior. This allows to perform application code update step-by-step, not all-at-once.

Bugs fixed

Core

• Tarantool does not rename user threads anymore (gh-12175).
• Fixed a crash with a transactional trigger on the _space space (gh-11766).

Metrics

• Updated the metrics submodule to 1.6.2.

Changes in 1.6.2:

• The error message level displayed when the /proc/<pid>/stat file is missing has been changed to verbose (gh-536).