✨ Added
- Add close icon to sidebar on hover ([454](https://github.com/cbrnr/mnelab/pull/454) by [Benedikt Klöckl](https://github.com/bkloeckl))
- Add Python 3.13 support ([457](https://github.com/cbrnr/mnelab/pull/457) by [Clemens Brunner](https://github.com/cbrnr))
- XDF reader now parses measurement date ([470](https://github.com/cbrnr/mnelab/pull/470) by [Stefan Appelhoff](https://stefanappelhoff.com))
- Add support for loading custom montage files ([468](https://github.com/cbrnr/mnelab/pull/468) by [Benedikt Klöckl](https://github.com/bkloeckl) and [Clemens Brunner](https://github.com/cbrnr))
- Add new filter dialog option for notch filter and improve UI ([469](https://github.com/cbrnr/mnelab/pull/469) by [Benedikt Klöckl](https://github.com/bkloeckl))
- Add functionality to display channel stats ([462](https://github.com/cbrnr/mnelab/pull/462) by [Benedikt Klöckl](https://github.com/bkloeckl))
- Add option to ignore marker types (and only use marker descriptions) when importing BrainVision files ([417](https://github.com/cbrnr/mnelab/pull/417) by [Clemens Brunner](https://github.com/cbrnr))
🌀 Changed
- Change the append dialog appearance to include original indices used for identifying the data ([449](https://github.com/cbrnr/mnelab/pull/449) by [Benedikt Klöckl](https://github.com/bkloeckl))
- Include unique dataset indices in sidebar ([454](https://github.com/cbrnr/mnelab/pull/454) by [Benedikt Klöckl](https://github.com/bkloeckl))
- Show a montage preview in the channel montage dialog ([459](https://github.com/cbrnr/mnelab/pull/459) by [Benedikt Klöckl](https://github.com/bkloeckl))
- Hide sidebar when no datasets are loaded ([463](https://github.com/cbrnr/mnelab/pull/463) by [Benedikt Klöckl](https://github.com/bkloeckl))
- Exporting data to BrainVision now uses annotations "as is" (i.e., no conversion to "S 1", etc.) instead of events ([417](https://github.com/cbrnr/mnelab/pull/417) by [Clemens Brunner](https://github.com/cbrnr))
🗑️ Removed
- Remove Python 3.9 support ([457](https://github.com/cbrnr/mnelab/pull/457) by [Clemens Brunner](https://github.com/cbrnr))
🔧 Fixed
- Fix a bug where appending data would not be correctly displayed in the history ([446](https://github.com/cbrnr/mnelab/pull/446) by [Benedikt Klöckl](https://github.com/bkloeckl))
- Fix resetting the settings to default values ([456](https://github.com/cbrnr/mnelab/pull/456) by [Clemens Brunner](https://github.com/cbrnr))
- Fix an issue where the channel montage figure could not be closed on macOS ([459](https://github.com/cbrnr/mnelab/pull/459) by [Benedikt Klöckl](https://github.com/bkloeckl))