I have installed the Lotion app (0.0.4) using the Snap package manager on a fresh installation of Ubuntu 22.04.3. The app started successfully and loaded the Notion's home page. I clicked the Log in link and Lotion has opened 3 tabs in my default browser (Firefox) - twice the Log in page and once the Notion's home page. I have successfully logged in into Notion, but nothing else has happened, Lotion is still showing the Notion's home page.

I have tried to restart both the Lotion and the Firefox and repeat the process. This time, only one tab with the Notion's Log in page has been opened in the Firefox, I have been automatically signed in as I didn't sign out previously, but again nothing has happened in the Lotion app.

Apart from that, the Lotion is periodically showing the following error dialog:

I'm not sure, if it may be related. Also, I'm not sure if it may be related to this issue, but it's 3 years old and also another Notion desktop app Notion snap reborn doesn't have any issue with signing in using a Google account.