The need for this item arises from a discussion initiated by the Go debugger team and others for the debug adapter protocol:

• Paging support for threads Paging support for threads debug-adapter-protocol#159
• Better support for large number of green-thread like things Better support for large number of green-thread like things debug-adapter-protocol#169

Since it is difficult to work on the DAP spec without having a concrete UI in mind, I decided to start with a discussion of a concrete debug UI in VS Code for highly concurrent languages first.

It would be great if interested parties could provide input for this discussion.

/cc @testforstephen @polinasok @gregg-miskelly @hyangah @connor4312