# KNIME Analytics Platform 4.4.4, 4.5.1 and Server 4.13.5, 4.14.1 released

**URL:** <https://forum.knime.com/t/knime-analytics-platform-4-4-4-4-5-1-and-server-4-13-5-4-14-1-released/39028>\
**Category:** Announcements\
**Created:** [January 24, 2022, 1:22pm UTC](https://forum.knime.com/t/knime-analytics-platform-4-4-4-4-5-1-and-server-4-13-5-4-14-1-released/39028 "2022-01-24T13:22:12Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![marc-bux](https://forum-cdn.knime.com/user_avatar/forum.knime.com/marc-bux/32/1953_2.png) [@marc-bux](https://forum.knime.com/u/marc-bux)\
**Post date:** [January 24, 2022, 1:22pm UTC](https://forum.knime.com/t/knime-analytics-platform-4-4-4-4-5-1-and-server-4-13-5-4-14-1-released/39028/1 "2022-01-24T13:22:12Z")

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Hello everybody,

New patch releases of KNIME Analytics Platform 4.4.4 and 4.5.1 as well as KNIME Server 4.13.5 and 4.14.1 are now online and [available for download](https://www.knime.com/downloads).

What’s new in the releases?

- Updates to Log4j 2 to version 2.17.1 across various features (see [this forum post](https://forum.knime.com/t/security-vulnerability-in-log4j-knime-software-not-affected/38188) for details).
- Many minor stability improvements across the board.

What’s new in 4.5.1 and 4.14.1 specifically:

- The re-introduction of flow variable and input table widgets in Python Script (Labs).
- A new preference page for table backend selection.
- Added support for creating file system paths in the Column Expressions node.

The full changelogs can be found here: [AP 4.4.4](https://www.knime.com/changelog-v44), [AP 4.5.1](https://www.knime.com/changelog-v45), [Server 4.13.5](https://docs.knime.com/2021-06/server_update_guide/index.html#_enhancements), [Server 4.14.1](https://docs.knime.com/2021-12/server_update_guide/index.html#_enhancements).

The KNIME Team.