Minecraft wiki entry for Caves_%26_Cliffs, associated text: 1.18.1 and 1.18.2 were released to fix some critical bugs after the release of 1.18.0.
1.18.10 was released to bring more parity with Java Edition and fix bugs.
1.18.11 was released exclusively on Nintendo Switch to fix bugs.
1.18.12 was released to fix bugs.