Highly recommend this article. Objective insights based on in country experience. It’s very useful to have other researchers, trainers, and those doing field work compare their observations.
Thus, unless NATO changes its position that Ukraine cannot become a full Article 5 member while the war is ongoing, Ukraine’s membership seems to be dependent on a regime change in Russia. Something that I wouldn’t necessarily bet on happening in the foreseeable future…
Poland has aggressively challenged the fear of "escalation risks" with Russia, which have periodically impeded France and Germany's arms transfers to Ukraine
But on the F-16 question, Poland's position is clear: Training but no F-16 deliveries