My EBRC cannot use those missiles after this update.I tried Spike-LR and several other missiles，but only EBRC has this problem.I hope that this issue could be solved.
Same issue, the lock square indicator points upwards towards the trajectory of the missile as it sits in the ammo rack, so you have to tilt the whole tank to get an actual lock.
You can bug report it here: Gaijin.net // Issues (just search a bit first so that you don’t report something that is already reported and known about)
A guide on how to report bugs can be found here: ([Navigation] Technical Knowledge Base | War Thunder Wiki)