Java Edition 1.14.3 - Combat Test

Please expand this page, don't delete it! I'm not familiar with the templates and stuff, so please delete this and write what you can from https://www.reddit.com/r/Minecraft/comments/c5mqwv/a_custom_java_edition_snapshot_to_test_new_combat/ - a reddit post by Jeb. Also, please add something about this on the planned versions page.