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?

In addition to the help from Andrey, you can also select a "Working Library" in the top right corner once you have createed at least one.  Once selected, all changes for your login account will be automatically added to that DEVELOPMENT library without having to create a new one in publishing everyt...

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

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