+6. Check your `/lib/config.local.php` and compare it with the `/lib/config.original.php` to see if new configuration items are available. If a new item is missing in your `config.local.php`, this may trigger some errors as Jirafeau may expect to have them.
+
+# version 4.5.0
+
+- Even more new translation, thanks a lot to all contributors!
+- Support for automatic dark theme
+- Fixed wobling admin buttons (light and dark default themes)
+- Disable file deduplication by default
+- Fix side effects of setting too high values in php configuration for async upload
+- Add support for X-Sendfile
+- Retry on more type of possible errors
+- Move docker image to PHP 8.1
+- Print more error details in case of issue
+- Few more little fixes
+- IRC channel to discuss :)
+
+New configuration items:
+- `max_upload_chunk_size_bytes` option
+- `dark_tyle` option
+- Defaulting `file_hash` option from `md5` to `random`