Feature summary (what you would like to be able to do and where):

Show the global block log on Special:CentralAuth - equivalent to the Previous global account changes (centralauth-admin-logsnippet) section for locks.

Use case(s) (list the steps that you performed to discover that problem, and describe the actual underlying problem which you want to solve. Do not describe only a solution):

• Feature parity with global locks

Benefits (why should this be implemented?):

• Easily review all prior global (b)lock logs in one central location

Notes:

• Originally requested at T358979#10034247