Frederik Markus

It's not well established. I'll make a PR to better highlight this in the user guide. Glad I could be of help!

Have you installed gazebo? With the current version of PX4 you can only have one of gazebo-classic or gazebo, not both. Instructions on how to download Gazebo can be found...

I have personally only worked with Garden (and the newer Harmonic). For those two, I have not encountered any issues so far. With the older Fortress version you may run...

I have not encountered this particular issue but I have experience some troubles with Harmonic over the past couple of days. Best stick with Garden for now.

Correct. The typhoon is not yet supported and a bunch of plugins necessary to theoretically port it, primarily camera related, are not yet available in Ignition Gazebo

Yes, as far as I understand, the noise model that is employed is slightly different to the old one that was used previously.