Post your post mortems here - blog posts describing your thought process, what went good and what could've been improved in your Jam entry.
Postmortem for Flip Flop: https://featurekreep.itch.io/flip-flop/devlog/249407/flip-flop-postmortem
Post Mortem for A Day At The Pond: https://exozetart.itch.io/a-day-at-the-pond/devlog/249869/post-mortem
Post Mortem for I Really Move On: https://ryuno-ki.itch.io/i-really-move-on/devlog/249987/i-really-move-on-post-mortem
Postmortem for Rogue Reflections: https://fanlix.itch.io/rogue-reflections/devlog/250425/rogue-reflections-postmor...
Postmortem for Mirror Training Room: https://codyssia.com/blog/gamedevjs_jam_postmortem.html