Java Edition
Quasi-connectivity and deterministic Java update behaviours shape many technical builds.
Edition comparison
Core components exist in both editions but update order and quasi-connectivity differ.
Java vs Bedrock: RedstoneQuasi-connectivity and deterministic Java update behaviours shape many technical builds.
Pistons and observers use different update rules, so Java contraptions may need redesign.
Choose a design, command or workflow explicitly tested for your edition; redstone behaviour is not always portable.