Some of the jumps in the last level are downright buggy. You can climb the towers off to the left... but it's frame-dependent, because gravity only happens sometimes.
Player rockets have AOE, but it's janky. Most notably: no height check, no visibility check. There's places you can blow up a dozen enemies in one go. But actually hitting anything is nontrivial because fireball aim is hilariously imprecise. (And Select+B remains a so-so choice of trigger.) Combat in general needs tweaking, but that'll wait until hitscan stops relying on rendering. Enemies might even get to shoot you in the back.
A lot of features have been around since 2022. They just work, now. Like the wobble effect when you shoot at portals.