When you try to backup a world, or it tells you that you are on a different version it calls 1.13 a snapshot.
[media]<<<see, like this image
VV also this, sorry if this bug report is formated weird =P
[media]Linked issues
is duplicated by
MC-133943
Game still considers latest release to be a snapshot
MC-133960
Hovering over a 1.12.2 world shows text rom snapshots.
MC-133964
1.13 referred to as snapshot
MC-133967
Minecraft refers to release 1.13 as a snapshot
MC-134014
1.13 treats 1.12 normal worlds as snapshots
MC-134083
Snapshot warning is still on pre 1.13 worlds
MC-134126
Game thinks the full release 1.13 is a snapshot
MC-134129
Wrong warning message in 1.13 release before opening a world
MC-134130
1.13 recongnized as snapshot
MC-134167
World backup message incorrect
MC-134267
Minecraft 1.13 says it is a snapshot
MC-134283
Singleplayer menu says "Don't forget to back up this world before you load it in this snapshot"
MC-134344
When asking if you want to back up a older world it refers to 1.13 as a snapshot
MC-134411
1.13 is not a snapshot!
MC-134483
Official Release Considered a Snapshot
MC-134513
When you open a world in 1.13 for the first time, it warns you that it is a snapshot, even though it is not.
MC-134650
Minecraft shows an snapshot info while trying to load world
MC-135394
World update warning says snapshot in 1.13
MC-135421
Wrong Text
relates to
Attachments
Comments
migrated
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When opening a new 1.13 world in an NBT editor, it says
version:1.13
snapshot:0
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@hamarb123 Minecraft 1.13: the Snapshot Release Update
Or
Minecraft 1.13: Schrödinger's Update
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Major changes introduced to the game necessitated this prompt. More precisely I'll call this "Major conversion required to use this world"
migrated
Please reopen it, Still not fixed in 1.13.1
pokechu22
Looks fixed to me; I'm not sure where you're seeing this.
violine1101
There's a new ticket about the tooltip being incorrect: MC-149111
coschevi
It is both a release, and a snapshot