General

• Split "session data" into session.conf, preferences are written to and read from geany.conf (PR#2776, PR#2779, PR#3014, PR#3125 and more).
• Add new build system Meson (experimental) (PR#2761).
• Require GTK 3.24 (#3580).

Bug fixes

• (Re-)Add ability to scroll over document tabs (Luke Horwell, PR#3134).
• Fix keyword colorization on filetype change (PR#3553).
• Fix startup files order when placing tabs next to the current one (PR#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).
• Use dark-theme friendly colors for compiler messages (PR#3013).
• Add a confirmation dialog on search & replace for the whole session (PR#3033).
• Filter entry for symbol tree (PR#3055).
• Simplify project creation from existing directories with sources (PR#3042).
• Add option to show symbols in symbol tree without category groups (PR#3172).
• Add option to only show line endings if they differ from file default (PR#3287).
• Make tab label length and window title length configurable (Abdul Rafey, #3365).
• Make Go to Symbol commands show signature list (PR#3475).

Editor

• Update Scintilla to 5.3.7 and Lexilla to 5.2.7 (PR#2867, PR#3551).
• Add "Change history" feature (disabled by default) (PR#3551).

Filetypes

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

Internationalization

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

General

• Increase speed when opening documents, especially on startup
  (Justin Blanchard, Issue#2883, Issue#2649, Issue#2791, PR#2884, PR#2747).
• Synchronize Geany's Ctags implementation with Universal Ctags, this
  leads to updated symbol parsers (Jiří Techet, PR#2666).
• Remove GTK+2 Support (PR#2602).
• Geany needs a C++17 compiler to build (PR#2862).

Bug fixes

• Workaround crashes when pasting into VTE without having focus
  (Issue#2813, PR#2843).

Interface

• Add keybinding to reload all open documents (David Yang, PR#2859).

Filetypes

• Add Julia filetype (getzze, Issue#434, PR#2584).
• Add Meson filetype (Andy Alt, PR#2850).

Plugins

• SaveActions: add configurable target directory for instantly saved files
  (Issue#640, PR#2769).

Windows

• Fix message window height after restart (Issue#2591, PR#2892).
• Switch Windows builds to GTK3 and x86_64 (PR#2590).

Internationalization

• Updated translations: da, de, el, es, et, fr, it, ja, nl pt, pt BR, sk, tr, uk, zh_CN

Windows

• Fix crash on first startup (Issue#2639, PR#2645).

General

• Build with GTK3 by default.
• Add an option (enabled by default) to save main and project configuration whenever documents are opened/closed to reduce accidental loss of current session in the event of a crash.
• List Geany in the category TextEditor (Dominic Hopf, Issue#2460).

Bug Fixes

• Fix main window name as seen by accessibility tools (Issue#2421).
• Add missing include (Pino Toscano, PR#2402).
• Fix a possible crash when quitting (Hodong & Guido Falsi, Issue#2457, PR#2634).

Interface

• Allow to cancel Open Project and New Project dialogs without closing the current project.
• Don't ask whether to close current project when opening a recent project.
• Disable some items when they are not available.
• Provide a CSS name for most widgets (PR#2469).
• Adapt margins width to font size and zoom (Issue#1733, PR#1738).
• Show OS info in debug messages.
• Persist color picker palette (Issue#2595).
• Fix color of selected text in search entries with no match (foresto, Issue#2332, PR#2333)

Editor

• Update Scintilla to version 3.21.1 (PR#2506).

Filetypes

• Add BibTeX filetype (Mirco Schoenfeld, PR#2212).
• Update JavaScript keywords (dmitryunruh, PR#2486).
• Update Lua block comment end (Filip Szymański, PR#2566).
• Update FreeBasic keywords (Issue#2583).
• Add Smalltalk filetype (Snowflake the Pony, PR#2399).
• Add a configuration option to select the default Python command.

Documentation

• Improve Build-related settings documentation.
• Added documentation for the Color Chooser (LarsGit223).

Windows

• Bundle the GLib GSpawn helper binaries with the installer for plugin that use the related GLib API.
• Make IPC port number configurable, and move the default outside the dynamic range used by Hyper-V (Issue#2101, PR#2585).
• Use the py launcher for Python filetype (Issue#2211).
• Support programming ligatures (like Fira Code font) (Issue#2535).

Internationalization

• New translations: ie
• Updated translations: da, de, el, es, fr, id, it, ja, lv, nl, pl, pt, ru, sk, sv, zh_CN

General

• Give precedence to user-defined filetype extension mappings over default ones (PR#2166).
• Give precedence to the longest matching filetype pattern (Issue#1499, Issue#1921, PR#2167).
• Place the socket file in $XDG_RUNTIME_DIR when available (Thomas Martitz, PR#2222).

Bug fixes

• Improve path ellipsising in Go To Tag filetype popup (Thomas Martitz, PR#2262).

Interface

• Show group prefix for the Various preferences (PR#2176).
• Show the GTK/GLib versions in about dialog (PR#2163).

Editor

• Update Scintilla to version 3.10.4 (PR#2138).
• Add support for fractional font sizes (Pedro Henrique Antunes de Oliveira, Issue#703, PR#2250).

Filetypes

• Add Apple Swift filetype (Ankit Pati, PR#1323).
• Add Nim filetype (Simon Krauter, Issue#1772, PR#2085).
• Update NSIS keywords (PR#2181).
• Update error matching for the CUDA filetype (Rajesh Pandian M, Issue#2213, PR#2218).
• Add Kotlin custom filetype (Issue#1581, PR#2186).
• Add Groovy custom filetype (PR#2188).
• Add TypeScript custom filetype (Issue#1449, PR#2187).
• Small update of Django keywords (PR#2315).
• Don't suggest to override all settings through Tools->Configuration Files (Issue#1552, PR#2168).

Windows

• Migrate the installer to NSIS 3 (Issue#1302, PR#2181).
• Fix build on recent MSYS2 (Issue#2261, PR#2263).

Internationalization

• New translations: ku
• Updated translations: da, de, es, fr, it, ja, lv, pt, sk, sv, zh_CN

General

• Start synchronization with Universal-CTags (Jiří Techet, PR#1263, PR#2018).

Bug fixes

• Improve IPC socket handling (Issue#641, PR#2111).
• Fix loading the default open encoding option (PR#1326).
• Fix VTE path following after reset (Issue#352, PR#2116).

Interface

• Show variable type in a tooltip in symbol tree (Jiří Techet, PR#2036).

Editor

• Update Scintilla to version 3.10.2 (Issue#971, Issue#1947, Issue#2076, PR#2045).
• Drastically speed up huge bulk replacements (Issue#2092, PR#2097).
• Fix accessibility information reported upon deletion.
• Fix garbage data insertion when moving lines up or down (Issue#2066).
• Don't perform line breaking in rectangular selection mode (Issue#2051, PR#2135).

Filetypes

• Allow stripping trailing spaces from custom filetypes based on the Diff lexer (Cristian Ciocaltea, Issue#2041, PR#2043).
• Improve JavaScript symbols parsing (Issue#1329, Issue#1891, Issue#1933, part of PR#2018).
• Improve HTML symbols parsing (part of PR#2018).
• Improve COBOL symbols parsing (PR#2128).
• Improve ActionScript symbols parsing (PR#2134).

Windows

• Installer: only install GTK translations if selected (Issue#2090).

Internationalization

• Updated translations: da, de, es, fr, ja, lv, pt, ru, sk, zh_CN

Bug fixes

• Fix line breaking on existing lines (PR#2027).
• Fix displaying filenames containing XML control characters inside infobars (Issue#2033).

Windows

• Fix rectangular selection modifier (PR#2032).

Internationalization

• Updated translations: uk

General

• Auto-select GTK2 or GTK3 at build time depending on availability (PR#1182).
• Process files in the order they appear on the command line when generating tags files (Issue#1989, PR#1991).

Bug fixes

• Fix high CPU usage with the Scope plugin (Dimitar Zhekov, Issue#1461).
• Fix loading some tags files with format specifier (Issue#1814, PR#1817).
• Fix Plugin Manager buttons sometimes getting out of sync, possibly leading to a crash (Issue#1781, PR#1799).
• Fix horizontal and page scrolling under GTK3 (PR#1843).

Interface

• Show part of the file path to show unique elements in the go to symbol popup (Thomas Martitz, PR#1445, Issue#1069).
• Always show icons in the go to symbol popup (PR#1997).
• Add a keybinding for "Strip Trailing Spaces" (LarsGit223, Issue#395,
  PR#1806).
• Add some missing label relations.

Editor

• Update Scintilla to version 3.10.0 (Issue#1421, PR#1914).
• Fix line breaking with multi-byte characters (Issue#1958, PR#1960).
• Don't beep when trying to go to the next cursor location in a snippet and there is none (see Issue#1554).

Filetypes

• Markdown: Display bold and italics as such (FMuro, PR#1837).
• Python: Update keywords to Python 3.7 (Miro Hrončok, Issue#1351, PR#1894).
• PHP: Update tags for PHP 7.2 (Dominic Hopf, PR#1970).
• Batch: Use REM as single-line comment marker (Issue#1912, PR#1932).
• VHDL: Classify string styles as such (PR#1402).

Windows

• Fix display issues on HiDPI displays (Issue#692, PR#1992).

API

• Add msgwin_compiler_add_string(), msgwin_msg_add_string(), msgwin_status_add_string() (Thomas Martitz, PR#1748).
• Add GeanyObject::key-press signal allowing plugins to intercept key presses before Geany (Jiří Techet, PR#1829).
• Add utils_strv_shorten_file_list() (Thomas Martitz, PR#1445).
• Fix value of GeanyDocument::changed when quitting (Jason Cumbie, PR#1857).

Internationalization

• Add translation: da
• Updated translations: de, es, fr, hu, it, ja, pt, sv, sk, uk, ru, zh_CN, zh_TW

Bug fixes

• Fix the symbols tree hierarchy when several tags have the same name
  (PR#1598).

Interface

• Add a tooltip showing the full path on menu items representing documents
  (PR#1706).
• Add a note for applying the indent settings in the project preferences
  (PR#1650).
• Enable popup menu on sidebar and message window notebooks (PR#1726).
• Show status message on attempt to execute empty context action
  (Lars Paulsen, PR#1642).
• GTK3 theming improvements and documentation (PR#1382).

Filetypes

• CSS: Update Grid properties (Issue#1705).

Internationalization

• Updated translations: de, el, es, fr, it, lv, pl, pt, tr, ru, zh_CN

General

• Improve CLI argument help (PR#1644).
• Keep the current tab when closing documents to the right of another tab.
• Re-enable SIGTERM handling (PR#1255).
• Create correct path for filetype config files (Jiří Techet, PR#1482).
• Add an option to enable IME's candidate window display inline
  (Sinpo Wei, PR#1514).
• Add an option to automatically reload files changed on disk
  (Mark O'Donovan, PR#1246).

Bug fixes

• Fix backward compatibility of the geometry saving setting.
• Close "Deleted from Disk" Infobar on Reload (Lars Paulsen, PR#1628).
• Make sure GDK_MOD2_MASK is cleared when getting modifiers
  (Jiří Techet, PR#1636).
• Use non-symlinked VTE libraries on MacOS X (Jiří Techet, PR#1625).
• Fix crash if plugin manager is opened more than once (PR#1564).
• Fix incorrect variable reference (Thomas Martitz, PR#1561).

Interface

• Add "Close Documents to the Right" feature (PR#1362).
• Add an option to save/reload either window position or size,
  but optionally not both (delt01, PR#1456).

Editor

• Update Scintilla to version 3.7.5 (PR#1503).
• Improve snippet support (visual indicators and more)
  (Thomas Martitz, PR#1470).
• Push current position to navqueue before navigating back
  (Vasiliy Faronov, PR#1537).

Filetypes

• Add GNU assembler filetype extensions (Issue#904).
• Make Python comment hash space (PR#1682).
• Add missing string and comment styles for various lexers (PR#1502).
• Add missing PHP keywords, especially for PHP 7.x (1547, PR#1547).
• Python: Don't highlight sub-identifiers as keywords (PR#1544).

Plugins

• FileBrowser: don't change directory on project save
  (Jiří Techet, PR#1400).

Windows

• Fix Execute button on Windows when using HTML files and
  "builtin" command (Issue#1018, PR#1667).

API

• Add utils_get_real_path() and deprecate tm_get_real_path() (PR#1224).
• Add geany_plugin_get_data() (PR#1234).
• Add keybindings_load_keyfile() (Jiří Techet, PR#1430).
• Add tm_tag_get_type() (Thomas Martitz, PR#1465).

HACKING

• Add note about data types and update for best practices (PR#1282).

Internationalization

• Updated translations: ca, de, el, es, fr, it, lt, lv, nl, pt, ru,
  sk, sv, zh_CN