Mojang has just released Minecraft 1.14!
Vanilla 1.14 is now available for selection from your control panel.
(Test server available at the end of this post)
Please note that "Vanilla Latest" has been updated to 1.14, servers using this JAR will be updated on the next restart.
Please note that by starting your server on this version your map will be updated and you won't be able to run it on previous versions, backup first!
Spigot has not released a stable 1.14 version yet, we will add it as soon as it is released.
Official changelog: https://www.minecraft.net/es-es/article/village---pillage-out-java-
A public offline mode test server on this version is now open for the next 15 days (and will be deleted after this period): vanilla114preview.servermc.gq [Remote Start]