Most of the battle reports state :

Operational information from the General Staff: In the Slobozhansky direction, Russian army does not stop trying to surround Sumy and conducts hostilities in the areas of Svatove, Izyum, Hrushevakha, Petrovske, Husarivka, Balakliya, Liman, Malinovka, Kochetok, Bezruky, Oleksandrivka, Velyka Pisarivka, Tarashivka, Nesarivka, Oleshnya. Talalaivka. Does not carry out active offensive actions. In order to strengthen groups in the areas of Sumy, Okhtyrka, Kharkiv and Izyum, regroups troops and consolidates on the captured borders

substitute the names of villages / towns for each report - basically ramping up the contact to consolidate and secure existing areas, and move up logistics support.

Sounds like they are prepping for a big push right across the front.

Russian doctrine (well, old Soviet doctrine if they are still using it), involves just going nuts across the entire front at the same time, and then pushing hard to break through any and all weak points detected.

Cherkassy Pocket all over again ....