for Minecraft 1.16 released on April 16th, 2021.
"Frantic bug-fixing"

Enhancements, Fixes

• Mechanical Press can no longer create sheets in bulk, unless configured otherwise
• Fixed Mechanical Press missing items passing on a belt while retracting
• Millstone now accepts items from belts/ejectors directly
• Fixed Redstone-triggered components losing tile data after moved by a Contraption
• Super glue between non-solids can now be removed while the glue item is equipped
• Fixed Deployers not able to interact with glued blocks
• Fixed incorrect lang mapping of UI button descriptions
• Placement assist block preview now lights properly, doesn't z-fight and fades in gradually
• Pickaxe and Axe are now effective on piston extension poles
• Fixed block breaking animations inside the ponder UI
• Fixed Ponder Scenes rendering on top of the progress bar
• Fixed Mechanical Press not retracting when items were removed early
• Mechanical Press now makes less noise when pressing onto wool or belts
• Fixed Windmill Bearings allowing to be moved while assembled
• Mechanical Pistons now silence the "missing poles" error after poles were added
• Fixed basins not continuing their processing when items are actively extracted
• Basins now accept full stacks for items thrown into the top manually
• Fixed Smart Chutes not dropping filter items
• Fixed Smart Chutes not updating attached diagonal chutes properly when removed
• Fixed Server-side crash when coupling two minecarts from a glitched self-colliding pile
• Contraptions with exceeding spawn packet sizes no longer get sent to the client
• Minecart Contraptions with exceeding nbt packet sizes can no longer be picked up
• Renamed "Metal Blocks" to "Blocks of Metal"
• Fixed Seat interaction being too restrictive with max reach
• Contraption seats can no longer be mounted while riding something else