In some chunks, biome specific vegetation coloring is messed up (see attachment). This funkiness (for me) usually vanishes after reloading.
MC-166226
Biome-specific coloring messed up in specific chunks
Resolved
Duplicate
0
Exa
(Unassigned)
Unconfirmed
(Unassigned)
1.15 Pre-release 1, 1.15 Pre-release 5
Retrieved
Incidentally, using resource packs like Vanilla Tweaks fix that (if they are edited to fit RP version 5). Also it seems like the affected chunks are random.