What I expected to happen was...:
The name of the block to appear in the graphical list of block layers, along with either a blank icon or some representation of the texture.
What actually happened was...:
The name and the icon of the block is replaced by "Air"
Steps to Reproduce:
1. Go to Singleplayer → Create new world → More world options → Customise (with Superflat selected as the world type)
2. Enter the following preset code: minecraft:stone,minecraft:nether_portal;minecraft:plains;
and select Use Preset.
Related issues
discovered while testing
is duplicated by
relates to
Attachments
Comments


Can confirm

Also affects 07a

Confirmed for 1.8pre2

Confirmed for
16w32b

Confirmed for
16w40a

Still doesn't work with frosted_ice
and end_portal
. Haven't checked others.

Yes, sorry for that. Also does not work with end_gateway
. However, the preset in the description isn't "working", it shows the "Classic Preset".

Confirmed for 19w02a

Confirmed for 19w11a

Confirmed in 1.16-pre2. Since the ticket was last updated quite a long time ago, I request being the reporter of it, I'll update it accordingly.
Can confirm in 20w48a.
Can confirm in 20w51a.
Can confirm in 21w03a.
Can confirm in 21w05b.
Can confirm in 21w06a.
Can confirm in 21w07a.
Video attached.
Can confirm in 21w17a.
Can confirm in 1.17.
Can confirm in 1.17.1.

Can confirm in 1.18.
Can confiirm in 1.18.2 and 22w19a.
Can confirm in 1.19.
Can confirm in 1.19.2.

Confirmed for 1.19.3.
Perhaps a good fix for the lack of icon would be "if there's no item form, show the block marker texture". The text should just insert the block translation keys directly, rather than look for an item.

Can confirm in 23w03a

Can confirm in 1.19.4

Confirmed for 1.20.2; requesting ownership, seeing kumasasa's inactivity.

Still Persists in 1.21.5, this is getting annoying