The fact that Russia is facing shortages of certain types of weapons is obvious. They are short on ammunition too as well as parts needed to repair artillery and tanks - including howitzer barrels.
Recently, it has been noticed that the artillery shelling conducted by the Russian Army in Ukraine is
Artillery is the biggest killer in this war.
Ruzzia, being a completely garbage army with even more garbage tactics, is unable to take any position that is even lightly protected by anything. They have to level the place first.
Not to mention that before the long-range counter battery from NATO was introduced, Artillery was the main way of terrorizing civilians in places they haven’t imposed their “russki mir” yet.
All in all, here is hoping all artillery will be annihilated sooner than later