magento2: Magento 2.4.0 release notification not showing up in backend

Preconditions (*)

1. Magento 2.4.0 or 2.4.1 or 2.4.2 or 2.4.3 or 2.4.4 or 2.4.5

Steps to reproduce (*)

1. Setup clean 2.4.0 or 2.4.1 or 2.4.2, … installation, not a 2.4-develop instance! (see reasoning below)
2. Login to backend (struggle your way through the whole 2FA process rigmarole)
3. Once finally logged in, seeing a notification at the bottom of the page:

We’ll try to show it again the next time you sign in to Magento Admin.
To learn more about new features, see our latest Release Notes in DevDocs' Release Information

1. Also notice the strange ‘Next >’ link in the footer
2. Logout in backend
3. Login to backend
4. Not seeing any release notifications popup

Expected result (*)

1. Not being confused: if there are release notes for 2.4.0, show them, if there aren’t, don’t show that We’ll try to show it again ... message

Actual result (*)

1. Being confused: is there a release notes popup for Magento 2.4.0? If yes, why isn’t it showing up? If no, why is that message We’ll try to show it again ... showing up …

Additional information

https://github.com/magento/magento2/issues/29363#issuecomment-754913283

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Please provide Severity assessment for the Issue as Reporter. This information will help during Confirmation and Issue triage processes.

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.