Ukrainian forces have conducted counteroffensives under Operation Vivaldi in Donetsk Oblast, reclaiming territory and advancing east of Slovyansk, Kramatorsk, and near Oleksandrivka, according to Institute for the Study of War assessments and Russian milblogger reports through mid-October 2026. These gains include tactical use of high ground near Havrylivka for reconnaissance and drone operations against lower-lying Russian positions. Russian forces continue localized advances elsewhere in Donetsk but face slowed momentum amid Ukrainian pressure on multiple axes. The situation remains fluid, with frontline shifts, glide bomb strikes, and drone activity potentially influencing control of specific settlements like Havrylivka in the coming weeks. Traders monitor ISW mapping for any Russian infiltration or control indicators amid broader negotiations and seasonal conditions.