How does Paper affect Redstone?

How does Paper affect Redstone? By default paper fixes TNT duping and bedrock breaking, although those can be turned off in the config. Paper also optimises redstone and ticking in general a whole lot, so extremely technical contraptions that rely on specific facets of the code might get broken.

By default paper fixes TNT duping and bedrock breaking, although those can be turned off in the config. Paper also optimises redstone and ticking in general a whole lot, so extremely technical contraptions that rely on specific facets of the code might get broken.