Hey @Gokul_Agiwal - the Launch UI does support adding notes to all of these entities now.  After saving one of these entites such as a rule (it must be saved first) then the edit screen will show an icon on the far right side.  If you click that icon, it will open a right rail where you can add addi...

Adobe Hosted Option or Content Delivery Network (CDN) hosting of DTM / Launch Libraries inside Mainland China

I think this might be a duplicate of this idea;: Bring back notes But to add a comment here.  The ability to add notes to certain entites (similar to what DTM had) is coming soon.  Because Launch is API-first these have already been released in the API and are documetned here: Adobe Experience Platf...

JWT or JSON Web Tokens are an open standard, so most people are using a standard or open source library along with their private key to programmatically generate a JWT tokens locally (like these here: https://jwt.io/) They then use their own generated JWT token to authenticate with adobe.io and exch...

Would it be possible to share the two environment links mentioned?

I believe this was released earlier today:  Adobe Target v2 Launch Extension

Duplicate of Bring back notes   recommend up-voting that one.

Sorry to hear that.  Can you provide more details about what specifically was not working? You may also want to consider trying the GTag extension:  Google Global Site Tag (gtag)