I didn't touch FE since last spring, now I am playing Legendary Heroes, and I am glad to see that most annoying issues all are gone! Grats! And thank you! 
But several more still persist for me, and some of them are definitely bugs.
1. "Invisible zone of control" is still here, and it's somewhat annoying for me. I mean issue that exist here from first Elemental betas and never was fixed: zone of control calculated at the beginning of turn, but actually shown only after that turn. If you are save/load game, it appears immediately. Mostly I cannot see that, but when I have tip "place mine here", and mine (visually) is out of my ZoC - it's became apparent.
(Also, if I'll choose "build", ZoC will "expand" immediately). Can you, please, add needed visuals immediately after city got expansion, please?
2. "Stealth" faction trait work as intended - monsters doesn't attack me. But it looks somewhat weird, because monsters messages are still here! "We will get this pretty trinkets of you!", "Mites are not always weaklings!", etc. They are not sees me, how can they talk to me? 
3. Special moves shows wrong information in tooltips. "Impale", for example, shown 0 damages for me, and "Crushing blow" shows "normal" damage and hit chance, not special ones. - fixed now. 
4. It was mentioned before: keyboard scroll speed (with cursor keys) far too fast, and it cannot be tuned. (If edge scrolling is relate to this, having 100 as minimal speed is too much here).
5. No "windowed" mode anymore.
Can you return it back, please?
6. Inventory is still the same as it was in initial FE builds.
In particular: when I am finding new item, I need to know what I have before trying to equip it. In reality, I have "equip" button and "trade" when appropriate - but not "inventory". Can you add button here? (Option "show in tooltip current equip that will be replaced with this one" would work too, but I think, "Inventory" is much simpler. 
7. Research window is fine for me... until I am switching pages. Every switch resets my selection for first available research in page, no matter what it was before. Mostly harmless, but I mistakingly researched "Knowledge" instead of "Trading"-"Cooperation" branch in my first game, because I switched to "War" and back and didnt' checked what is selected now. Can game track 3 pages independant, please?
8. Just got Winter's Touch quest. It shown as "Medium" while I can select reply, but after accepting quest "Strong" Frozen Fields appears on map. Is it correct? The same issue I seen with several other quests (and with my initial army of 2 spearmen and 1 militia I didn't dare to try it).
9. The old issue with targeting surfaced again, now in tactical combat: in some angles (especially diagonal to grid) I am targeting not square that I think I am targeting - it's usually one square farther from my point of view. As I remember, there was highlight of currently selected square before... Is it gone now, or I simply didn't found correspondent option?
10. When I am trying to rename any unit, everything is allright... except issue that cursor keys simultaneously moving cursor in name and map in correspondent direction.
11. In unit design there is not possible to edit existing design. I can edit any design allright, but when I am saving it, it saves as new one, even if I am keeping old name. Also, it have issue when I can have several identically-named designs as well. Can I ask for auto-rename designs in that case? (Knights for first design, but suggesting Knights II for second, if Knights exists already?)
12. Wargs by description is faster than horses. It's also need extra research and costs much more to buy. But... in reality wargs are far inferior to horses! Horse faster overall, faster in battle, have more range dodge, and only thing that is worse for horse is melee dodge (that is +10 for warg). Maybe it worth to change places for wargs and horses in research tree and swap it's cost?
13. If I am trying to rise cliff with "rise land" or even ocean near this cliff, cliff itself transformed to plain... but with big chance that all this water will flood surrounding lands. And trying to rise such lands often comes with reverting this plains to beach, and water will not disappear until I'll rise hills (former plains also could become beaches and remains that for several casts. One was not transformed full 4 casts, until I gave up and rised hill near it).