I’m also having this issue. I’ve tried installing the color sensor libraries offline and online using the .json, and both times, VSCode recognizes the libraries as operational. I’ve also run .\gradlew build and .\gradlew downloadAll. Here’s my code.
I can’t upload more than one image right now, but trust me that my vendordeps tab has REVColorSensorV3.json. It’s early in the season, but it would be nice to be able to practice with color sensing