Mesen-S v0.4.0 is released. Mesen-S is a cross-platform SNES emulator for Windows & Linux built in C++ and C#.

Mesen-S v0.3.0 changelog:
General
SPC7110 support
BS-X/Satellaview support
MSU-1 support
Run ahead support
Save states: Added load/save state menu
Video recorder: Added GIF format export option

Debugger
Added performance profiler tool
Added assembler tool
Added memory access counters viewer
Added DSP debugger window
Added CX4 debugger window
Added "Go To All" tool to quickly navigate between labels/functions/files
Allow tile viewer to be used on all types of memory (and improved usability)
Improvements to event viewer (list view, sub-pixel display and better filters/colors)
Added SPC DSP and SA-1 state to register viewer
Improved syntax highlighting in disassembly and added options to customize disassembly style
Ability to export changes done to the ROM as an SFC or IPS file

Bug fixes
DSP: Fixed KOF register initial value to fix missing sound effects in a couple of games
SA-1: Fixed some bugs, improved timings and implemented some missing features (Fixes SMRPG)
IRQ/NMI: Improved timing/logic, fixes some issues in a number of games.
PPU: Fixed issues with mosaic effect
Debugger: Fixed some disassembly bugs and improved CA65 integration
Audio: Fixed issues with sound resampling that caused the sound quality to be slightly degraded

Download: Mesen-S v0.4.0
Source: Here