Hello. I'm new to DCS. I have been doing some of the training missions  available from the last patch and it seems they are functioning well,  they are very instructive and I they are helping me fly and learn the  plane's systems in a really great hands on way so I want so thank you  all the ED devs for releasing them and congratulate them on good job.    
However  I seem to have a problem with a mission in Su-25T training listed under  "Shkval directed weapons" named "kh-29L, 25ML and S25L Laser guided  missiles". Upon taking control of the aircraft in this mission and  following all the instructor's directives: enable a2g mode, 25ML is  default weapon selection, enable tv, lock on target tank, activate  laser, wait for LA), I press and hold the weapons fire button  (default:space) to launch the 25ML missile and nothing happens. I have  tried flying all the way over the targets with the key held down,  repeatedly hitting it over flyby, change weapon bindings, etc. It's as  if the fire key was unbound. The missile does not release and I cannot  advance forward with this training mission. The other weapons missions  seem to work OK but I have not tried all.    
There are also some  problems in some of the first navigation missions, where the flight  director does not show correct information, behaves strangely, including  when using ILS for landing, etc. I notice there is forum discussion of  these problems so just wanted to confirm there are problems with  navigation mode in general.   
Where can I find updated list of known bugs/issues of su-25t?    
Other than that, thank you ED for epic sim.