Mesen has its first release for 2018, now at 0.9.5. The NES and Famicom emulator has been updated with this change log:
New Features



* Debugger: Tons of new features, UI improvements, performance improvements and bug fixes.
* HD Packs: New features, performance improvements and bug fixes.
* FDS: Improved compatibility of the automatic disk insertion feature.
* UI: Added a few minor options (and increased the number of savestate slots to 10).

Bug Fixes

* Input: Changed input polling timing to reduce input lag by 1 frame.
* Linux: Improved SDL error handling to prevent crashes.
* Accuracy: Fixed a mirroring issue with mapper 30 games.


Download at https://www.mesen.ca/