1.20.2 – 1.21.1 Tricky Trials

1.21.1 is a minor hotfix update to Java Edition released on August 8, 2024,^[1] which fixes critical exploits including update suppression, and adds two new languages. Servers running this version are compatible with 1.21 clients.

1.21, the first release of Tricky Trials, is a major update to Java Edition released on June 13, 2024.^[1] Originally announced at Minecraft Live 2023 on October 15, 2023, the name of the update was revealed in a Minecraft Monthly on April 26, 2024. The update was said to focus on "combat adventures and tinkering" and introduces several copper block variants and a new structure called trial chambers, as well as the new crafter, new tuff variants, the new mace weapon, twenty new paintings, and new hostile mobs that spawn in the trial chambers, amongst others. It also includes some changes to the Bad Omen effect and many bug fixes.

1.20.6 is a minor hotfix update to Java Edition released on April 29, 2024,^[1] which fixes a critical bug. It is compatible with 1.20.5 servers.

1.20.5, the release of Armored Paws, is a drop for Java Edition, released on April 23, 2024.^[1] It adds armadillos, wolf armor and new wolf variants along with fixing many bugs. Additionally, it updates the Update 1.21 Experiment, including the addition of the bogged, vault, breeze rods, wind charges, the mace, and the rework of Bad Omen.

1.20.4 is a minor hotfix update to Java Edition, released on December 7, 2023,^[1] which fixes a critical bug.

1.20.3 is a minor update to Java Edition, released on December 5, 2023,^[1] which adds the 1.21 experimental toggle features and fixes bugs. This version is compatible with 1.20.2 servers.

1.20.2 is a minor update to Java Edition, released on September 21, 2023,^[1] which adds the Villager Trade Rebalance experimental toggle and the /random command, and fixes bugs. It is not compatible with 1.20 to 1.20.1 servers.

Source : Minecraft Wiki