The bug
Clocks stop working on world loading, you can easily start them again by updating a block nearby. Only with very speed clock.
Linked issues
Attachments
Comments 3
This is MC-89146.
MC-164339
Piston clock stop working
Resolved
Duplicate
3
Confirmed for 19w42a
You need to create a piston clock then log out of world then back in in order to reproduce