Minecraft 1.13 and Minecraft 1.14 are merging together to form one update! The technical Minecraft 1.13 version has been cancelled, or delayed, to include the Minecraft 1.14 Update Aquatic features! The future Minecraft 1.13 snapshots will include the Update Aquatic features! I hope this Minecraft News update video has helped you learn about some of the upcoming future Minecraft features!
JAVA EDITION TECHNICALLY UPDATED (Minecraft.net Blog Article): https://minecraft.net/en-us/article/java-edition-technically-updated