JetBrains Rider Public EAP is out. I've been using the private EAP on Linux for 6 months and it just keeps getting better.
I contribute to a couple open source .NET projects working with developers that use Visual Studio on Windows and don't run into many cross platform issues. I commonly see open source .NET Core projects run Windows CI with Appveyor and Linux CI with Travis so catching cross platform build issues is not hard.
Jetbrains' stuff only works properly on Oracle's proprietary JDK, and not on the reference JDK (OpenJDK), which kinda sucks, doubly so since the former is not re-distributable, making it even more alien in the linux world.
I'll completely pass on software that requires (and bundles!) it's own JDK. I already have the reference implementation installed, honestly programs should use that, not bundle their own.
Anyway, I still gave it a try to see how it works. Looks like they're resolved lots of the visual glitches (especially the most serious ones, like font rendering).
For some reason though, after running the app, I was left with two directories in my home with dumps of configs/cache all mixed up. :/
I contribute to a couple open source .NET projects working with developers that use Visual Studio on Windows and don't run into many cross platform issues. I commonly see open source .NET Core projects run Windows CI with Appveyor and Linux CI with Travis so catching cross platform build issues is not hard.