The width of an advancement's description depends on the first line
The bug
The width of the description of an advancement depends on the width of the first line, rather than the width of longest line in the description, or the width of the title of the advancement.
Example advancement
{
"criteria": {
"lock": {
"trigger": "minecraft:impossible"
},
"breed_two_cows": {
"conditions": {
"parent": {
"type": "minecraft:cow"
},
"partner": {
"type": "minecraft:cow"
}
},
"trigger": "minecraft:bred_animals"
}
},
"display": {
"announce_to_chat": false,
"description": "> lock\n> breed_two_cows",
"frame": "challenge",
"hidden": false,
"icon": {
"item": "minecraft:cow_spawn_egg"
},
"show_toast": false,
"title": "breed_two_cows"
}
}
- Fixed
Alex³- 12
- 7
- Confirmed
- Accessibility Advancements Text UI
- advancement advancement-description width
1.12.2 - 20w15a
1.12.2 1.13-pre6 1.13-pre7 1.13-pre8 1.13-pre9 1.13 18w30a 18w30b 18w31a 18w32a 18w33a 1.13.1-pre1 1.13.1-pre2 1.13.1 1.13.2-pre2 1.13.2 18w43a 18w43b 18w43c 18w44a 18w45a 18w46a 18w47a 18w47b 18w48a 18w48b 18w49a 18w50a 19w02a 19w03a 19w03b 19w03c 19w04b 19w05a 19w06a 19w07a 19w08a 19w08b 19w09a 19w11a 19w11b 19w12a 19w12b 19w13a 19w13b 19w14a 19w14b 1.14-pre1 1.14-pre2 1.14-pre3 1.14-pre4 1.14-pre5 1.14 1.14.1-pre1 1.14.1-pre2 1.14.1 1.14.2-pre1 1.14.2-pre2 1.14.2-pre3 1.14.2-pre4 1.14.2 1.14.3-pre2 1.14.3-pre3 1.14.3-pre4 1.14.3 1.14.4-pre1 1.14.4-pre2 1.14.4-pre3 1.14.4-pre4 1.14.4-pre5 1.14.4-pre6 1.14.4-pre7 1.14.4 19w34a 19w35a 19w36a 19w37a 19w38b 19w39a 19w40a 19w41a 19w42a 19w45b 19w46b 1.15-pre1 1.15-pre2 1.15-pre3 1.15-pre4 1.15-pre5 1.15-pre6 1.15-pre7 1.15 1.15.1 1.15.1-pre1 1.15.2-pre1 1.15.2-pre2 1.15.2 20w06a 20w07a 20w08a 20w09a 20w10a 20w11a 20w13a 20w13b 20w15a- 20w17a
Created Issue:
The width of an advancement's description depends on the first line
The bug
The width of the description of an advancement depends on the width of the first line, rather than the width of longest line in the description, or the width of the title of the advancement.
Example advancement
{ "criteria": { "lock": { "trigger": "minecraft:impossible" }, "breed_two_cows": { "conditions": { "parent": { "type": "minecraft:cow" }, "partner": { "type": "minecraft:cow" } }, "trigger": "minecraft:bred_animals" } }, "display": { "announce_to_chat": false, "description": "> lock\n> breed_two_cows", "frame": "challenge", "hidden": false, "icon": { "item": "minecraft:cow_spawn_egg" }, "show_toast": false, "title": "breed_two_cows" } }
Added Affects Versions: 1.13.1-pre1
Added Affects Versions: 1.13.1-pre2
Added Affects Versions: 1.13.2-pre2
Removed Affects Versions: 19w11b
Added Mojang Priority: Normal
Added Affects Versions: 1.14.1-pre1
Added Affects Versions: 1.14.1-pre2
Added Affects Versions: 1.14.2-pre1
Added Affects Versions: 1.14.2-pre2
Added Affects Versions: 1.14.2-pre3
Added Affects Versions: 1.14.2-pre4
Added Affects Versions: 1.14.2
Added Affects Versions: 1.14.3-pre2
Added Affects Versions: 1.14.3-pre3
Added Affects Versions: 1.14.3-pre4
Added Affects Versions: 1.14.4-pre1
Added Category: Accessibility Advancements UI
Removed Category: (Unassigned)
Added Affects Versions: 1.14.4-pre2
Added Affects Versions: 1.14.4-pre3
Added Affects Versions: 1.14.4-pre4
Added Affects Versions: 1.14.4-pre5
Added Affects Versions: 1.14.4-pre6
Added Affects Versions: 1.14.4-pre7
Added Affects Versions: 19w42a
Added Affects Versions: 19w45b
Added Affects Versions: 19w46b
Added Affects Versions: 1.15-pre1
Added Affects Versions: 1.15-pre2
Added Affects Versions: 1.15-pre3
Added Affects Versions: 1.15-pre4
Added Affects Versions: 1.15-pre5
Added Affects Versions: 1.15-pre6
Added Affects Versions: 1.15-pre7
Added Affects Versions: 1.15
Added Affects Versions: 1.15.1-pre1
Added Affects Versions: 1.15.1
Added Affects Versions: 1.15.2-pre1
Added Affects Versions: 1.15.2-pre2
Added Affects Versions: 1.15.2
Added Affects Versions: 20w06a
Added Affects Versions: 20w07a
Added Affects Versions: 20w08a
Added Affects Versions: 20w09a
Added Affects Versions: 20w10a
Added Affects Versions: 20w11a
Added Affects Versions: 20w13a
Added Affects Versions: 20w13b
Added Affects Versions: 20w15a

Probably WAI, as normal advancements are supposed to have this function so they don't overflow, and the text box becomes too big. Once the top line is filled, the limit is set, so then the bottom text bits don't go any further than that.
It would be helpful, however, for this to be disabled if you use \n.
Can confirm, as well.
Please do not mark unreleased versions as affected.
You don't have access to them yet.
Still in 1.14.1 Release
This is fixed in 20w17a (didn't check versions before it)