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+---
+title: Release TerrariumPI v 4.12.0
+date: 2024-10-07 00:00:00 +0200
+categories: [Website, News]
+tags: [release, '4.12.0']
+
+image:
+  path: /assets/img/streamers-clipart-celebration.webp
+  src: /assets/img/streamers-clipart-celebration.webp
+  alt: Celebration header image
+---
+
+## Release 4.12.0 - Just a new release
+
+This new release is not a big release. It has some bugfixes and logging
+improvements. One new improvement is that we now support Sonoff D1 Dimmer in DIY
+mode.
+
+### Sonoff D1 Dimmer DIY mode
+
+Now it is possible to use the [Sonoff
+D1 Dimmer]({% link _hardware/sonoff_d1_dimmer.md %}) in DIY mode. This makes it
+easier to add this dimmer to TerrariumPI. A big thanks to
+[MakoShark2](https://github.com/MakoShark2) for testing and helping with
+creating the code.
+
+### Improvements
+
+Improved the light timer calculation when TerrariumPI is restarted after
+midnight, before the end of the current light period. Thanks to
+[rossisbudda](https://github.com/rossisbudda) for finding this
+[bug](https://github.com/theyosh/TerrariumPI/issues/948).
+
+The logging has been improved to log now the correct hardware names. Due to a
+bug, not the correct hardware name was shown in the log.
+
+### Translations
+
+The [Spanish language](https://weblate.theyosh.nl/projects/terrariumpi/-/es/) is
+updated by [nebu73](https://github.com/nebu73).
+
+### Bug fixes
+
+Fixed the logging in the TerrariumPI GUI when you where already logged in. There
+was an issue with correctly reading the authentication cookie.
+
+Fixed a cookie saving issue due to deprecated code in the
+[Bottle.py](https://bottlepy.org/) web server code.
+
+Fixed installation on Bookworm OS. It was missing a SSL library. That has been
+fixed.
+
+### Documentation updates
+
+Updated the [Sonoff D1 Dimmer]({% link _hardware/sonoff_d1_dimmer.md %})
+documentation about support for DIY mode.
+
+Updated the backup, restoring and debug [FAQ]({% link _tabs/faq.md %}).
+
+{% include release-footer.md %}