This morning I updated Postman to the latest version (v11.48.3) and all of the sudden I could not get authorization OAuth 2.0. I could do a refresh of the token but not get a new one. the Refreshed token resulted in an error when running Send about the {{API_SERVER}} not being valid. I hovered over the variable in my URI line and it did have the correct value. After some investigation I determined that the pinned Prod Environment was no longer selected in the top right of Postman. Not sure why all other things carry over but the pinned Environment does not. I do not remember having this issue with any prior upgrade. Simply reselecting Prod resolved my issue. I will have to be careful during any future upgrade/updates.
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hello, I am facing the same for couple of days, using 11.48.4
Not only environment are not pinned anymore, but pre request script is not run following an env variable change for the first request