FAQ - microsoft/copilot-intellij-feedback GitHub Wiki
I cannot see models in model selector
Open https://github.com/settings/copilot, check if corresponding models are available and enabled. If a model is disabled, it will not be shown on the model selector.
For models in the preview state, the visibility also depends on whether Editor Preview Features is enabled or not.
How to invalidate IDE caches
Follow https://www.jetbrains.com/help/idea/invalidate-caches.html
Networking issue
Follow https://docs.github.com/en/copilot/troubleshooting-github-copilot/viewing-logs-for-github-copilot-in-your-environment?tool=jetbrains#viewing-network-connectivity-diagnostics-logs to check connectivity to the required services first.
How to enable debug logging for Copilot
See wiki.