The latest version of Samsung Internet Browser (v18.0.0.58) has a newly introduced fault where it fails to sign in to the Guardian newspaper at theguardian.com/uk. The previous version of the browser (v17.0.7.34) works fine, as do Chrome, Firefox & Opera.
When signing in with v18, the signing process hangs with a spinning wheel, and never completes. Reverting to v17 works fine.
This fault occurs identically on several different devices.
Has anyone else seen this with other sign-ins on other websites?