BetterBlockBorder

• Rainbow particle outline while holding block items: targets the looked-at block within 6 blocks and draws a thick, cycling color frame so builders can see exactly where placement will land.
• Faster placement assist: right-clicking with a block places the normal block plus one extra in the same direction (two extras while sprinting); sneaking keeps vanilla single placement. Stops automatically if blocks run out or space is blocked, and uses the item’s normal orientation logic.
• Placement cooldowns are cleared for block items so rapid building stays snappy.
• Server view and simulation distances are raised to at least 16/12 chunks on start; a short join hint tells players the active distances.

Notes and limits:

• The rainbow outline uses particles; many simultaneous builders may want particle settings reduced client-side if visuals feel busy.
• Higher view distances can raise server load depending on player count and hardware—tune down via standard server config if needed.