Features

Fixed mergeItemStack behavior in vanilla, dupes and more in CoFHCore.
Fixed enchantment visual effects messing up the render state.
Fixed particle depth sorting. Does not yet fix translucent particles ignoring other translucents.
Fixed leads breaking immediately after being placed on some modded fences.
Lava will only hiss when mixing with water.
Corrected mineshafts air bubles being created above their dirt rooms.
Leaves will not give drops in addition to itself when sheared.
Tall Grass will not give drops in addition to itself when sheared.
Shears will take damage when used to mine any block.
Made leaf decay check far enough away to prevent large jungle trees from decaying.
Prevented sign update packets for unloaded chunks from sending chat messages.
Stone Monster Eggs blocks will only spawn one Silverfish when broken.
Made structure component downfilling replace plants and blocks flagged as replaceable.
Clear most plants on top of Village paths.
Fixed Zombie village sieges.
Fixed desert village well material.
Fixed improperly terminated client connections sometimes causing a severe resource leak.
Prevented non-layered snow blocks from melting when lighting errors occur.
Fixed the anvil sound type step sound.
Fixed several vanilla block sounds.

Random block tick removal:

Used a faster random implementation in:

Prevent storage blocks from splitting held stacks when broken:

Made Enchantment Tables emit particles for any block with enchantment power.
Trapdoors no longer require attachment blocks. (propagates to many modded trapdoors)
Place pressure plates on almost any wall or fence. (propagates to many modded walls and fences)
Place torches on almost any fence. (propagates to many modded fences)
Place torches on almost any wall. (propagates to many modded walls)
Prevent "An attempt was made to register extended properties using an existing key" log spam.

Flat and scaling damage tuning options for:

Tweaks that are off by default:

Thaumcraft candles no longer crash the game if given invalid metadata.
Witchery Garlic Garlands use correct bounds on all rotations.
Witchery Leaves respect Optifine video settings.
Witchery Leaves don't drop saplings when sheared.
Extra Utilities Trading Post now has a bottom texture.
Extra Utilities Trading Post will now filter out nitwits from Village Names.
Gany's Surface trapdoors use the correct back texture when open.
Aether II reuses a player renderer object across frames, fixing a possible memory leak.
MrCrayfish's Furniture Mod blocks no longer cause reoccurring NPEs that can ruin saves. (impacted saves can be loaded again)

Ore dictionary registration for:

Correct block sound types for:

Recipes for Thaumcraft Ancient Stone slabs and stairs.
Recipes to turn Thaumcraft slabs back into blocks.
Pastebin proxying for LLibrary to bypass regional blocks that cause crashes. (off by default)
Disable MrCrayfish's Furniture Mod achievements. (off by default)

Flat and scaling damage tuning options for:

Requirements: