President Volodymyr Zelenskyy has said that there are "certain positive decisions" regarding fighter jets for Ukraine, Radio Liberty has reported.
He noted that this information remained behind the scenes so as not to fully prepare Russia.
In addition, Zelenskyy noted that after his visit to the UK, a decision on long-range weapons now appears closer.
Earlier, the head of the presidential office, Andriy Yermak, said that the issue of long-range weapons and fighter jets for Ukraine "seems to be able to be resolved".
The Prime Minister of the Netherlands, Mark Rutte, said that debates between allies and partners on aircraft and other weapons systems for Ukraine should be held behind closed doors.