ppsspp

PPSSPP - a fast and portable PSP emulator
=========================================

Created by Henrik Rydgård

Additional code by many contributors, see the Credits screen

Originally released under the GPL 2.0 (and later) in November 2012

Official website: https://www.ppsspp.org/

Discord: https://discord.gg/5NJB6dD

No BIOS file required to play, PPSSPP is an "HLE" emulator.  Default settings balance good compatibility and speed.

To contribute, see [Introduction to development](https://www.ppsspp.org/docs/development/getting-started). This page also includes our new AI policy.

Help with testing, investigating, or fixing bugs is always welcome.  See [the list of issues](https://github.com/hrydgard/ppsspp/issues).

For the latest source code, see [our GitHub page](https://github.com/hrydgard/ppsspp).

For documentation of all kinds (usage, reference, development), see the [documentation on the main website](https://www.ppsspp.org/docs)

For build instructions and other development tutorials, see [the wiki](https://github.com/hrydgard/ppsspp/wiki).

To download fresh development builds for Android, Windows and Mac, [go to the /devbuilds page](https://www.ppsspp.org/devbuilds)

For game compatibility, see [community compatibility feedback](https://report.ppsspp.org/games).

What's new in 1.20.4
--------------------
1.20.4 is an unusually big followup release, but given the new multiplayer developments, we need something to cover the longer gap to 1.21.
During this cycle, I've mostly focused on UX improvements.

- 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])
  - Frameskippin