Stella v6.5 is compiled. Stella is a multi-platform Atari 2600 VCS emulator. The Atari 2600 Video Computer System (VCS), introduced in 1977, was the most popular home video game system of the early 1980's. Now you can enjoy all of your favorite Atari 2600 games on your PC thanks to Stella!

Stella v6.5 changelog:
Added high scores saving.
Improved text editing functionality (except PromptWidget):
Enhanced selection and cut/copy/paste from keyboard.
Added undo and redo support.
Added mouse support (selection, cut/copy/paste).
All actions have keyboard shortcuts.
Various improvements to the ROM launcher:
Added wildcard support to the dialog filter
Added option to search subdirectories
Added static tooltips to some UI items.
Added dynamic tooltips to most debugger items.
Added sound to Time Machine playback.
Added browser dialogs for user saved files.
Extended global hotkeys for input devices & ports settings.
Moved to using an SQLite database for storing user settings, properties and highscores. More work will follow in future releases.
Increased sample size for CDFJ+.
Fixed autofire bug for trackball controllers.
Fixed bug in TV autodetection in filenames; a filename containing 'PAL' inside a word would sometimes misdetect as a PAL ROM.
Fixed Stelladaptor/2600'daptor devices sometimes not being assigned correct default mappings.
Codebase now uses C++17 features, which means a minimum of gcc7 or clang5 for Linux/Mac, and Visual Studio 2019 for Windows.

https://github.com/stella-emu/stella

http://www.emucr.com/2021/01/stella-v65.html