Yes, it does support TypeScript.  For serverless actions, you make a new source directory then put your typescript output folder to be the actions folder. https://github.com/AdobeDocs/adobeio-samples-typescript   

Very good point...I do not know the answer off hand but one good thing is that its all open source adobe/aio-cli-plugin-app: Create, Build and Deploy Cloud Native Applications (github.com) CLI root project adobe/aio-cli: Adobe I/O Extensible CLI (github.com) That is a good place to look to figure ou...

I found this https://github.com/purplecabbage/firefly-custom-webpack Jesse is one of the masterminds behind app builder so I am assuming it works.  I have not tried. 

You have two built-in options for Data and then you could also bring your own db into the mix if needed.The two built-in options are accessed via the State and File libraries. State is a key value store meant for short term data storage.  keys inserted have a limited time before they are flushed fro...

correctit will exist until removed

The keys are for the service accounts you have bound to your project.  They expire and need to be rotated to ensure the security of the service account.  It is not technically an App Builder thing but more a general Adobe auth service account general rule.  I don't really know the history behind the...

I know that if you own AEM you can buy it as an add-on by contacting your sales representative. Bundling with other Adobe products is work that is ongoing and I don't know the current status of that.  From what I know the "trial" will continue as we sort out all the product bundling skus.  I have as...

Indentation on the config files can be tricky to see.  

Firefly went GA in the last half of 2021.  It is now known as AEM App Builder.I have sent your post forward to someone that I hope can point you in the right direction for entitlement.

I can see your issue. that yaml config file is space sensitive your package is sourceConnectorDSIt has Actions, Triggers, and Rulesall three are TOP level package items so they need to be at the same indentation levelsourceConnectorDS   actions:...   rules:...   triggers:... Above you have rules and...