OpenStreetMap.org is retiring OAuth 1.0a and HTTP Basic Auth on June 1st 2024.
Are you developing software that uses one of these authentication methods to log in to the #openstreetmap website? Here's some guidance to help you switch to OAuth 2.0:
https://blog.openstreetmap.org/2024/04/17/oauth-1-0a-and-http-basic-auth-shutdown-on-openstreetmap-org/