Both IntelliSense and IntelliCode are great. Combine them with Roslynator, and they're even better.

But Copilot is half-baked/broken in full Visual Studio. It is a "AAA" experience in VSCode, but worse than useless in Visual Studio. After doing the trial I went out and got a ChatGPT Plus subscription instead for twice the price, no regrets.

Currently, rated 2 stars on the marketplace[0] with this recent review (not from me):

> Sorry but this is useless. I will try in the future but now I stick to ChatGPT.

Strongly agreed.

[0] https://marketplace.visualstudio.com/items?itemName=GitHub.c...