MAME.GR

Half a year's worth of fixes in one go, enjoy! Here's a selection of the most important fixes:

Fix JIT problems on Galaxy S7 and iOS 9+ devices
Fix Android TV support (x86-64) and use latest FFmpeg, fix Raspberry memory use
Texture replacement support - for custom textures and upscaling
Workaround rendering issues on Tegra K1/X1
Initial Vulkan support on Windows - not full featured yet
Experimental new CPU backend and CPU fixes
Fix type D cheat codes, allow for homebrew
Fix some problems when switching away from and back to the app
Initial game video recording / TAS features (frame stepping)

Support D3D11 (performs better than OpenGL or D3D9 on most hardware)
Audio quality improvement (linear interpolation) (#8950)
Hardware spline/bezier tesselation in OpenGL, D3D11 and Vulkan (...)
Post-processing shaders in D3D11
Prescale UV setting removed, now the default (improves perf) (#9176)
High DPI display fixes
Various fixes for UMD switching for multi-UMD games (#9245, #9256)
New audio setting to improve compatibility with Bluetooth headsets
Various desktop gamepad compatibility fixes
Workaround for mipmap issue, fixing fonts in Tactics Ogre Japanese
Assorted minor compatibility fixes, code cleanup and performance improvements

PPSSPP 1.4.1 - bugfix release

Fixes for some common hangs and crashes
Vertex decoder optimizations
Corrections to mipmap bias and selection function
Major improvements and fixes to software renderer, including mipmap support
UI background image support
Fix crash in framebuffer blits affecting Persona 3

PPSSPP 1.4.2 - bugfixes
No major news, but there's been fixes:

Fix bug causing several games to crash on ARM64, including Metal Gear Solid: Peace Walker
Software rendering crashfix
Fixes for homebrew: Timing, MEMSIZE

1.5 has support for Vulkan, the new faster way to draw graphics. Supported on many modern Android devices, and if enabled (change Backend in Graphics settings) you will see a massive speed boost. PPSSPP 1.5 also has the usual assortment of fixes:

Full Vulkan support, also for Android now. Very fast on supported devices. (#10033, #10049)
Smarter graphics state management, reduced CPU consumption on all backends (#9899)
Android: Support for Arabic and other scripts we couldn't support before
Fix Android widgets, screen scaling (#10145)
Fixes to video dumping
Geometry problems fixed in Medal of Honor
Implement immediate draws, fixing Thrillville (#7459)
Software rendering improvements, speed and accuracy
Hardware tesselation of PSP Beziers and Splines (used by a few games)
Partial sceUsbGps and sceUsbCam support (Android)
Android "Sustained performance mode" to avoid thermal throttling (#9901)
Linux controller mapping fixes (#9997)
Assorted bugfixes and compatibility improvements.

PPSSPP 1.5.2- fixes for common crashes

- Implement immediate draws, fixing Thrillville (# 7459) - Software rendering improvements, speed and accuracy
- Hardware tesselation of PSP Beziers and Splines (used by a few games)
- Partial sceUsbGps and sceUsbCam support (Android)
- Android «Sustained performance mode» to avoid thermal throttling (# 9901)
- Fixed Linux controller mapping (# 9997)
- Assorted bugfixes and compatibility improvements

PPSSPP 1.5.4, - more crashfixes, mostly Vulkan

Another quick update to take care of some common crashes.

PPSSPP 1.6
This time, it's all about speed. The Vulkan backend has improved as is now the default where available, while the OpenGL backend has been properly multithreaded and now runs really fast on dual-core devices.
What's new:
OpenGL backend now properly multithreaded, giving a good speed boost.
Various Vulkan performance improvements (like #10911) and memory allocation fixes.
GPU command interpreter performance improvements (#10658)
Various fixes for app switching and widgets (#10855) on Android
Bugfixes and some performance improvements in the ARM64 JIT compiler and IR interpreter
Shader cache enabled for Vulkan
Multiple iOS fixes, including JIT (#10465) and file browser (#10921).
Improved compatibility on Mac (#10113)
Texture replacement ID bugfix (note: some textures from 1.5.4 may become incompatible)
Adhoc multiplayer fixes (#8975)
Vulkan support on Linux/SDL (#10413)
Retroarch support upstreamed

PPSSPP 1.6.1

OpenGL backend now properly multithreaded, giving a good speed boost.
Various Vulkan performance improvements (like #10911) and memory allocation fixes.
GPU command interpreter performance improvements (#10658)
Various fixes for app switching and widgets (#10855) on Android
Bugfixes and some performance improvements in the ARM64 JIT compiler and IR interpreter
Shader cache enabled for Vulkan
Multiple iOS fixes, including JIT (#10465) and file browser (#10921).
Improved compatibility on Mac (#10113)
Texture replacement ID bugfix (note: some textures from 1.5.4 may become incompatible)
Adhoc multiplayer fixes (#8975)
Vulkan support on Linux/SDL (#10413)
Retroarch support

PPSSPP 1.6.2

– This time, it’s all about speed. The Vulkan backend has improved as is now the default where available, while the OpenGL backend has been properly multithreaded and now runs really fast on dual-core devices. Enjoy!

PPSSPP 1.7 has a large number of compatibility and bugfixes, and if you've previously had problems with crashes or instability, hopefully you will see a big improvement.

The Android release will be rolled out slowly over the next week to catch bugs. If you want to get it early, the APK is available.

Fix for insta-crash on Galaxy Note 9, some Xiaomi devices, and the new nVidia Shield (#11441)
Vertex range culling on most platforms, fixes DTM: Race Driver and similar (#11393)
Major speed boost in some Gundam and Earth Defense Force games (#10973)
Fix for issues with post processing shaders in GL 3+ (#11182)
Fixes to sound output switching on Windows (WASAPI) (#11438)
Detects DirectInput devices when running (#11461)
Simple Discord integration (#11307)
New debugging APIs (#10909)
Task switching made a lot more robust (fixes GPD XD problems) (#11447)
Texture decoding optimizations (#11350)
Tons and tons of miscellaneous bugfixes and compatibility fixes

PPSSPP 1.7.4/1.7.3/ 1.7.1
Attempted fixes for a couple of common crashes
Reverted immersive mode change temporarily to see if it helps misaligned buttons
Change default adhoc server address
Minor crashfixes, lang updates
Save bug fixed (#11508)