## General * Split "session data" into session.conf, preferences are written to and read from geany.conf ([PR#2776](https://github.com/geany/geany/pull/2776), [PR#2779](https://github.com/geany/geany/pull/2779), [PR#3014](https://github.com/geany/geany/pull/3014), [PR#3125](https://github.com/geany/geany/pull/3125) and more). * Add new build system Meson (experimental) ([PR#2761](https://github.com/geany/geany/pull/2761)). * Require GTK 3.24 (#3580).

## Bug fixes * (Re-)Add ability to scroll over document tabs (Luke Horwell, [PR#3134](https://github.com/geany/geany/pull/3134)). * Fix keyword colorization on filetype change ([PR#3553](https://github.com/geany/geany/pull/3553)). * Fix startup files order when placing tabs next to the current one ([PR#3611](https://github.com/geany/geany/pull/3611)).

## Interface * The document list in the sidebar has a new tree view. This mode is the new default and existing installations automatically use it ([PR#1813](https://github.com/geany/geany/pull/1813)). * Use dark-theme friendly colors for compiler messages ([PR#3013](https://github.com/geany/geany/pull/3013)). * Add a confirmation dialog on search & replace for the whole session ([PR#3033](https://github.com/geany/geany/pull/3033)). * Filter entry for symbol tree ([PR#3055](https://github.com/geany/geany/pull/3055)). * Simplify project creation from existing directories with sources ([PR#3042](https://github.com/geany/geany/pull/3042)). * Add option to show symbols in symbol tree without category groups ([PR#3172](https://github.com/geany/geany/pull/3172)). * Add option to only show line endings if they differ from file default ([PR#3287](https://github.com/geany/geany/pull/3287)). * Make tab label length and window title length configurable (Abdul Rafey, #3365). * Make Go to Symbol commands show signature list ([PR#3475](https://github.com/geany/geany/pull/3475)).

## Editor * Update Scintilla to 5.3.7 and Lexilla to 5.2.7 ([PR#2867](https://github.com/geany/geany/pull/2867), [PR#3551](https://github.com/geany/geany/pull/3551)). * Add "Change history" feature (disabled by default) ([PR#3551](https://github.com/geany/geany/pull/3551)).

## Filetypes * Sync many parsers from the Universal Ctags project, this leads to updated symbol parsers ([PR#2990](https://github.com/geany/geany/pull/2990), [PR#2991](https://github.com/geany/geany/pull/2991), [PR#3032](https://github.com/geany/geany/pull/3032)). * Improved support for the ctags file format, which is now the recommended format for tags files ([PR#3049](https://github.com/geany/geany/pull/3049)). * Update Kotlin filetype config ([PR#3456](https://github.com/geany/geany/pull/3456)). * Apply Markdown header style to the complete header (Robert Di Pardo, [PR#3602](https://github.com/geany/geany/pull/3602)). * Update Nim filetype config (Zoom, [PR#2988](https://github.com/geany/geany/pull/2988)). * Update PHP filetype config ([PR#3488](https://github.com/geany/geany/pull/3488)). * Update Python filetype config ([PR#3039](https://github.com/geany/geany/pull/3039)). * Add AutoIt filetype (Skif-off, [PR#1752](https://github.com/geany/geany/pull/1752)). * Add GDScript filetype (David Yang, [PR#3012](https://github.com/geany/geany/pull/3012)). * Remove Ferite filetype ([PR#3075](https://github.com/geany/geany/pull/3075)). * Enable local variables and improve autocompletion for C/C++ and some other languages ([PR#3185](https://github.com/geany/geany/pull/3185), [PR#3275](https://github.com/geany/geany/pull/3275)).

## Windows * Remove native file and color dialogs on Windows, GTK dialogs will be used instead (#3219). * Use "Prof-Gnome" GTK theme by default (same theme as used on macOS) for a better experience, the "Adwaita" theme can still be activated ([PR#3129](https://github.com/geany/geany/pull/3129)).

## Internationalization * Updated translations: cz, da, de, fr, es, kk, lv, it, nl, pt, sk, ru, ua * Added translations: si