We’ve released 
Airtable OAtuh + Workspace-level data source management today.
If you have an existing Airtable connceted through API keys, we recommend that you re-authenticate it with OAuth ASAP!
Check out this blog post below for more details:
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Good job guys! this feature is very important for us.
@austinyang Can you clarify please. I’ve re-authenticated. The name of the data source connection does not change it’s still “key•••••••••••ArC”. Is that correct, even though it’s no longer actually a key?
Hey, After the authentication update, you can rename the data source, to a better name that makes more sense for your workspace
The name is the same but it is re-authenticate as OAuth. You can change it to anything you like:)
Good to hear! Are you referring to OAuth or workspace-level data sources? Also curious why it is important 
Is renaming the PAT working for you ? Without reauthentificate ?