In the latest version, I have found a custom items rendering bug where some items are too large for the player's hand, like this custom sword. It seems to only work with items with a purpose or items with the resolution being over 16x16.
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Think i've found the culprit, it's the new "minecraft:render_offsets" property that's causing issues. This doesn't seem to affect any items with a format version lower than 1.16.100 (needs more testing)
Resolving temporarily as Awaiting Response. Could you please attach the add-on you're using to this ticket?

Problem solved! You just have to adjust the position, scale and rotation as you wish and voila!
"minecraft:render_offsets": {
"main_hand": { //off_hand
"first_person": {
"rotation": [ 0.0, 0.0, 0.0 ],
"position": [ 0.0, 0.0, 0.0 ],
"scale": [ 0.05, 0.05, 0.05 ]
},
"third_person": {
"rotation": [ 0.0, 0.0, 0.0 ],
"position": [ 0.0, 0.0, 0.0 ],
"scale": [ 0.05, 0.05, 0.05 ]
}
}
}
[media]

It works thanks to Fabián Marín 😀

Yes, adjusting the render_offsets property can correct the items, however i beleive the default state of the custom items should be automatically adjusted down as they were before this property was introduced.

Still affects versions 1.19.51 and 1.19.70 preview

This also seems to affect some vanilla items, not just custom ones.

I retextured the vanilla music disc "Blocks" with a 256x256 texture. The item in the image is being held by an armour stand, this behavior is also observable in the players hand while in both 1st and 3rd person modes. This was taken in game version 1.20.51
[media]
This bug is still in effect in 1.20.60. Here is a screenshot with a 32x32 item. This also seems to affect vanilla items now if you retexture them to be high resolution.
[media]
still in 1.21

Still an issue in 2025. Why is this bug not being fixed?
Thank you for your report!
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