The first update for 1.18 I thought it would be a quick release, as no new blocks have been added, but looking at the change logs, there have been lots of changes to the existing textures.
-Updated to 1.18 format
-Darkened stripped dark oak log and dark oak log textures, to match vanilla updates
-Updated minecart texture, to match vanilla changes
-Updated inventory gui, to match vanilla changes
-Updated item frame item, to match the wood from the block
-Updated acacia, birch, jungle and warped sign item textures, so posts match the actual item
-Updated wild axolotl texture, to match vanilla changes
-Updated crimson and warped stem top textures, to match vanilla changes
Another update - released before the new Minecraft version is released!
-Added Otherside music disc texture
-Updated beetroot and melon seeds item textures, to center textures
-Updated Anvil GUI texture, to update the hammer texture
-Removed custom main menu background