Ok, so I have been using 3.0.1.11 for a while now, and thought I would give a little review on the state of sailfish for gemini
The good:
The interface is now natively landscape aware for the gemini
The new pull down menu is available everywhere and has more functionality than the previous one
The apps pull up works consistently
The camera focus works now
It seems faster
The browser is now able to view webgl pages (with a bit of extra setup)
Newer libs for better compatibility
The wifi problem is fixed
Light themes
The bad:
Headphones still not fixed (ie plays out of speaker and headphones). The workaround is to manually prod pusleaudio (no difference to 2.x)
The telephone seems to use the microphone and speaker on the same side - doesn't rotate with the phone (no difference to 2.x)
Some apps which displayed in landscape with the hack in 2.x are now back to portrait (you can always put the hack back in).
Hotspot still doesn't work (no difference to 2.x)
Some old apps need libs that aren't in the 3.x repos (I could probably fix this if I cared about the app, but it could be frustrating for others)
Still no office suite for editing, although there are online alternatives - google docs works, as does the stackedit markup editor (I wrote a simple web redirector that forces full screen for apps like gdocs which helps...)
The different:
The top pulley menu is different - I think it is better, but some won't
The quick close is now on the edge rather that just from the top (that is the new pulley menu)
The apps tray has larger icons/more space between so there are fewer icons per line
Bottom line is that I quite like the new version - it still has its faults, but is a step in the right direction. With fixes for headphones, hotspot and call microphone/speaker, sailfish would be awesome on the gemini. With the paid for version getting android app support for those absolutely must have apps (which I don't seem to have a need for), then it would be a compelling option for the gemini for most users I believe.
As a small note, with webgl now working, there are a lot of things you can now use - mainly games online. I can also now run the interface to octopi (3d printer) which uses webgl.
For others using 3.x, is there anything I have forgotten - I have almost forgotten 2.x in the month I have used 3.x, and may well have skipped something I now take for granted