What method do I use for community review and opinions?

I'm working on a new HeroSystem 6e character sheet.  What is the method for making development versions available for review?  Do I submit them to the Character Repository under a version 0 or beta?  The structure of the character sheet is done and I'd like suggestions and comments before moving on to the sheet worker scripts.

I'd recommend releasing it to pro users as a custom sheet. Get feedback from them and then once the sheet is feature complete and reasonably stable release it to the repo. At least that's how I went about it.

I created a game for my sheet then posted about it being a sheet creation board along with stating there is no game being ran just reviewing the sheet and feedback. I also installed the welcome package API script so everyone got a sheet as soon as they came in then when I had a chance, I would bump people to co-gm so they could look it over as a GM also.

How do you release it to pro users as a custom sheet?

You post the code to GitHub, and then pro users can copy paste it into their games. This is the  repo I set up for the starfinder hud

Posting the sheet on github/gist is the best method. But if you want more control, you can set up a new game using the sheet, add a script like the one Pat mentioned to automatically create a sheet for players when they join, and simply post the join code. If you do this, it's a good idea to set up some sample characters and make them controlled by all players, so that people can try out sheet features without having to make a character first. Both methods are good: the first lets you get feedback from Pro users who might also be able to make code suggestions, and the second allows non-Pro users to test it out and see how it works.