Never saw this touched on this thread. New York Times super long read article going into the history of the Ukraine War from a mostly American perspective. Published 3 weeks ago titled "The Secret History of the War in Ukraine" by Adam Entous.
https://archive.ph/jTAcu
Highlights (grain of salt, this is mostly an American perspective, I'm sure one written by the Ukrainians view things differently although they do have the perspective of the Ukrainian general that was the Attaché at the allied joint planning facility in Germany throughout the conflict, Entous says he interviewed 300 people for this story):
-early cooperation went splendid, we gave them "points of interest" which was code for targets and they went and decided what they wanted to hit
-eventually the relationship got to where the Ukrainians saw the Americans as overbearing and the Americans saw the Ukrainians as constantly focusing on shiny prizes, one example provided is when the U.S. early on idly mentioned this one point of interest was the Moskva and the Ukrainians said "okay, bye", hung up the phone, and went and sank the Black Sea Fleet flagship; the Americans never gave the Ukrainians intelligence for certain high worth items or individuals where the Russians could retaliate beyond reason, for example we never gave the Ukrainians intelligence on the whereabouts of Gerasimov
-at some point in 2022 when the war wasn't going well for the Russians American intelligence got a phone call of a Russian general discussing Ukrainian attacks potentially reaching Crimea they may have to do nukes and it gave the Biden administration pause and caution
-counteroffensive planning was pretty touchy, Ukrainians were maximalists off their successes in 2022 - Zaluzhny vs. Syrski arguments took hold, Syrski wanted to put all his chips in Bakhmut, Zaluzhny and the British wanted to focus on Melitopol, the American general in charge Donohue thought Melitopol was a stretch and to prove his point, won war games on the attack as Russian commander
-allies knew the counteroffensive was in trouble when they were sent a bunch of troops for the new brigades to train that were in their 40s and 50s
-Syrski won the counteroffensive arguments, but the Americans thought a Bakhmut operation was doomed before it started, and later it became "Syrski's assault on Bakhmut was starving the Ukrainian Army"
-the Americans were very critical of how cautious the Ukrainians were in their advances, apparently this was due to the Americans had the satellite picture info and just reported to the Ukrainians what they were seeing; in some cases in 2022 and 2023 the Russians would leave behind a token force in their retreats and because the Ukrainian general Tarnavskyi would have a drone fly over to look at what was there even after the Americans told them "attack, it's just a platoon" because they did not have their own satellite images, that 48 hours or so of delay meant the Ukrainians' advances were more limited than what they could have been as it allowed the Russians to form fallback trenches
-eventually a lack of trust between the two sides came to the fore, Zelensky wanted a big win of sorts, that became the Kursk operation where the Americans had no fore-knowledge; prior to that operation they even warned a Ukrainian general that if they did this other operation cross the border in Russia they found out he was planning, Ukraine were on their own, the Americans found out about it from eavesdropping on Russian intelligence talking about and preparing for what they were seeing from the Ukrainians
-the Kursk operation occurred the day after a change in U.S. military leadership at the joint planning base and the day of the CIA station chief change
-Americans were not surprised when Zaluzhny was fired and thought the situation might improve to just have a general in charge that was on the same page as Zelensky
-Ukrainians seem to have given up on prioritizing militarily important targets in exchange for "oil and gas facilities and targets in and around Moscow", apparently per what Zelensky told Blinken to get Russian political opinion to turn on Putin, which Blinken responded "you're wrong, we know the Russians"
-situation became the Americans saying the Ukrainians need more men and it's not an existential conflict for the country if the Ukrainians aren't conscripting 18-year-olds, Ukrainians are countering what good is it to conscript them if they're not getting equipment, which we counter back their own generals are saying their front line defenses are understaffed (this is all still 2024, we're not into Trump administration)