4.59

New: Breaking Changes to extensions API
New: Game library is no longer stored in a single file #516
New: Performance improvements to large libraries, reduced memory usage and greatly improved search/filtering speed
New: Bethesda Launcher support (installed games only) #303
New: Steam category import also imports hidden status #615 (by @psychonic)
New: Download background images for Origin games #620
Fix: Not all emulators show in game action settings #821
Fix: Not all Steam games are imported #804 (by @psychonic)
Fix: Accidental trimming of spaces put into filters #786 (by @jharmer95)
Fix: Download higher quality media for GOG games if available
Fix: Download better background images for Steam games #811
Fix: Various crashes

4.58

Fix: Platform and emulator settings are not being saved properly #799
Fix: Some descriptions are broken #795
Fix: Updated localizations

4.57

Fix: Crash when setting categories #796
Fix: Crash when starting Battle.net games
Fix: Crash at startup
Fix: Crash when running portable version

4.56

Fix: Metadata download not working properly for Steam games

4.55

New: Black Ops 4 support in Battle.net plugin
New: Automatic import of Half-Life 1 and 2 mods #769, #788 (by @psychonic)
New: TGA image support for game metadata #279
New: Removed unnecessary system information from diagnostics package
New: Option to update specific library on demand
New: Option to start Playnite minimized #568
New: Option to run Playnite when computer starts #64
New: Option to disable metadata download after game import #705
New: Option to disable background image
New: Installation no longer requires admin privileges #664
New: Diagnostics package is automatically uploaded after it's generated
Fix: Battle.net games are not automatically starter if Battle.net is not already running
Fix: Play time of some Origin games not being counted properly
Fix: Game edit window polish
Fix: Game deselected after assigning categories
Fix: Failed load of script extension prevents Playnite from starting properly #780
Fix: Description paragraphs not rendered correctly #717
Fix: Database import from previous playnite version fails #773
Fix: Copied emulator profiles cannot be used #781

4.54

Fix: Import of installed Steam games fails
Fix: GOG metadata download not working after latest website redesign

4.53

Fix: Possible game database corruption during update

4.52

Fix: Crash when editing game after Playnite update
Fix: Import of installed GOG games fails (4.51)

4.50

Breaking: New extension SDK version (user extensions need to be updated)
New: Twitch.tv game library integration #496
New: Ability to add new library providers via plugins
New: Steam friends button added to Modern theme
New: Option to reopen Playnite's window when game stops running
New: More detailed progress info when downloading metadata
New: Greek localization (by @metallic77) #752
New: Italian localization (by @StarFang208) #446
Fix: Updated RetroArch profiles
Fix: Updated emulator profiles (by @By6r9)
Fix: General UI polish and fixes (by @spektor56, @hellosputnik, @kkjdroid, @t-miller) #716
Fix: Play time detection of Window Store apps not working properly if game is not installed on c: drive
Fix: Play time detection not working properly if game is running with elevated rights
Fix: Memory leak when switching between fullscreen and desktop modes
Fix: Incorrectly set database path when using portable version
Fix: Updated Nintendo/Nintendo Pro fullscreen buttons (by @ClearStrelok) #713
Fix: Playnite crashes when trying to sort by category #722
Fix: Play time not being counted when starting game via URL
Fix: InstallDir not working properly with relative paths #735
Fix: High CPU usage when game is running
Fix: Game icon not being set when importing via drag'n'drop
Fix: Fullscreen mode doesn't respect "When game starts" settings #737
Fix: Filter panel opening when using main search box #738
Fix: Crash when launching Windows Store game #725
Fix: Crash when importing emulated games #727
Fix: Detecting installed apps not working on Windows 7 properly

4.40

New: Major improvements to metadata download from IGDB #391 #571
New: Automatically download metadata when importing custom and emulated games #302
New: Option to filter installed games in Fullscreen view #702
New: Show ask dialog when closing Playnite and background task is in progress #572
Fix: Wrong name matching when importing emulated games #460
Fix: Wikipedia metadata scrapper not downloading release dates properly
Fix: Updated RetroArch profiles
Fix: Unable to start Battle.net game if PTR version is installed #685 #687
Fix: Handling apostrophes in game names when downloading metadata
Fix: First time wizard triggers download of metadata for existing database #694
Fix: Crash when closing Playnite
Fix: Crash when assigning icon to a game