He may have invoked a partial mobilization but the increasing criticism at home following recent successes of Ukraine means that he is unlikely to call for full mobilization as this would a) be greatly unpopular and b) be tantamount to admitting the failure of his "special operation".

He is also increasingly limiting his rhetoric to the eastern Donbas region probably because he knows that he cannot now take over other parts of Ukraine without full mobilization and also because not inconsiderable areas of Donbas were pro-Russian before his invasion. Zelensky won't accept anything less than getting his whole country back but Putin stands more chance of at least annexing the pro-Russian areas and he can sell this as the victory he was really after all along. Just hope the West continue to support Ukraine in order to push Russia back eastwards.