[MC-228328] Trees can generate on non-dirt blocks

Trees can generate on non-dirt blocks.

Here is an example:

Version: 1.19.4

Seed: -5497747566889979774
Coordinates: /execute in minecraft:overworld run tp @s 10080.85 63.00 10500.31 -64.61 32.31

Generate a world with the seed provided above and teleport to the given coordinates.
Look closely at the tree and the block it has generated on.
Take note as to whether or not trees can generate on non-dirt blocks.

Trees can generate on non-dirt blocks.

Trees would not be able to generate on non-dirt blocks.

Linked issues

violine1101 2021-06-12T11:52:16Z

Hmm. I'm unable to reproduce. There's no tree there for me.

Tonnam Pakee 2021-06-12T12:23:23Z

I create a world again. I can still find it.

[media]

Dmitry Konev 2021-06-12T12:25:58Z

Is your game modified? (example: optifine)

Tonnam Pakee 2021-06-12T16:01:52Z

I play vanilla version.

wobst.michael 2021-06-12T16:36:18Z

Can confirm.

2 more comments

Avoma 2021-12-11T11:20:59Z

Can confirm in 1.18.1.

Avoma 2022-01-03T10:02:15Z

This can also be seen when ruined portals generate among trees.

[media]

Version: 1.18.1

Seed: -2853169021812492922
Coordinates: /execute in minecraft:overworld run tp @s 87073.46 66.20 -4259.56 22.69 20.04

Avoma 2022-07-14T15:40:45Z

Can confirm in 1.19.

Avoma 2022-07-30T12:58:44Z

Can confirm in 1.19.1.

Version: 1.19.1

Seed: 5070919894020796651
Coordinates: /execute in minecraft:overworld run tp @s 12048.74 63.43 -2316.78 -208.61 30.57

Avoma 2022-11-15T17:33:52Z

Can confirm in 1.19.2.

Version: 1.19.2

Seed: -2055074493936140863
Coordinates: /execute in minecraft:overworld run tp @s -1173.43 63.59 -8686.31 -122.20 24.59