repeaters don't function sometimes

Is it just a visual glitch or does it affect the gameplay?

it isn't just a visual glitch. The repeater don't give a redstone signal.

Redstone signal only travels through the block via repeater (unless the redstone torch is on the other side). just place a redstone wire on top of the block before the repeater...

Cleaning up old tickets: This ticket has not been updated recently (~1 year+) so is being closed as Cannot Reproduce. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines.

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