Totally! Feel free to document and share as much of your process as you like. Here's an example of a user who has already started a Devlog: https://ignotus17.itch.io/the-last-rpg-jam-2020/devlog/199495/the-last-rpg-jam-2...
Oh also! Do you want us to submit when the project is finished or do so early and we make improvements as we go along?
Feel free to do it either way! Whichever you prefer.
