For the first time in three years, the famous Dolphin emulator — which lets users play GameCube games on their PC — has had a proper big update. It's now at v5.0, and a ton of changes and updates have been made. Some are specific fixes for games with quirks, while others are general improvements across the board. They're all laid out in this intro video:
In all, compatibility with hundreds of games has been improved through fixes to stuff like sound and various graphics effects.
You can get Dolphin here.