1. No, the combination Fn+F11 never worked on 16.04.
2. Sorry, I misread that. No, I haven't tested on older releases, just future ones.
3. I'm not on that computer right now. I will provide it later.
4. I haven't tested on the upstream kernels now. I did test on the upstreams during 2016 when first reported. But not any more. I will do the test and report back the results later today.
1. No, the combination Fn+F11 never worked on 16.04.
2. Sorry, I misread that. No, I haven't tested on older releases, just future ones.
3. I'm not on that computer right now. I will provide it later.
4. I haven't tested on the upstream kernels now. I did test on the upstreams during 2016 when first reported. But not any more. I will do the test and report back the results later today.