https://www.curseforge.com/minecraft/mc-mods/dynamic-trees-terralith

Currently just a missing texture

Actually in 1.20.1 forge, all leaves pile with tag immersive_weathering:dtterralith/<any_name_here> don't have texture.
Also, the fan palm leaf pile (dt blooming nature) has a strange texture :

similar leaf block issues on fabric with texture packs that change the leaves model