Google Inbox stuck on "Loading..." (continuously loading)

[jmavvax42]

Google Inbox stuck on "Loading..." spinner
Has been this way for weeks.
Cache has been refreshed, browser reinstalled, cookies deleted...
Browser:
Slimjet v17 (Chromium v63)
Here is the Devtools dump:
request for
https://clients6.google.com/discovery/v ... XrtGGVSwLc
returns
{"error":{"errors":[{"domain":"global","reason":"notFound","message":"Not Found"}],"code":404,"message":"Not Found"}}

Please help
thanks

[jmavvax42]

i found the problem....chromium 63 is not supported and slimjet v17 is using chromium 63...