PPSSPP: download ældre versioner

What's new in 1.20.4

Ad-hoc
- Support for "data.json" live status from adhoc relay servers (#21496, #21526)
- RetroAchievements UI improvements around subsets (#21536)
- Assorted ad-hoc UI improvements (#21530, #21510)
- Fixes for The Warriors (#21464) and Street Riders (#21460) in relay mode

Texture upscaling
- Fix old bug causing some textures to get stuck unscales on some hardware when using GPU texture upscaling (#21533)
- Improved performance of MMPX-adv upscaler (#21555)
- NNEDI3 and Spline36 GPU texture scaling (#21527)

Rendering fixes
- Fix a bug in lens flare occlusion for the Syphon Filter games (#21511)
- Fix a bug in the software renderer (#21648)

Misc UI improvements
- Instant type-to-search in game browser (#21559, #21565, #21630)
- Fix file picker problems on some Android devices (regression) (#21614, #21656)
- Fix crash in text edit fields on Mac/iOS (#21601)
- PSP DVD prototypes can now load directly (#21599, #21601)
- Cheat UI has been cleaned up and supports titles and comments natively (#21590)
- RetroAchievements subset display improvements (#21536)
- Basic deep link support on iOS (#21615)
- Soft keyboard has more symbols (#21625)

Other
- Fix important (but mostly rare) crash bug affecting games that draw a lot (#21669)
- More plugin zip files can now auto-install (#21556)
- Pause on lost-focus on Linux (#21517)
- Frameskipping no longer breaks analog stick auto-rotation in GoW, however manual rotation still broken (#21508)
- Android: Restore "Landscape Auto" (#21482), the "Auto" screen rotation mode now overrides the user rotation lock (#21507)
- Contribution by lrzlin: Loongarch improvements (#21499, #21595)
- Basic support for extracting ISO from 7zip files (#21493)
- Fix a bug that prevented loading certain texture packs (#21491)
- Fix music looping in Death JR (#21490)
- Hide the save-load indicator in the corner by default (#21528)
- Fix crash in the remote debugger, by Nemoumbra (#21652)
- Fix screenshot cropping bug (#21665)
- mfplat.dll is no longer required on Windows unless you need camera/microphone (#21660)