The variety update brings a whole lot of new changes, with this pack, seasons change very very slowly, roughly every 10 ingame days, great for playing survival, with adventure maps, servers, or time lapse building.
This is for version 1.14/The Village and Pillage update. Includes seasonal changes for bamboo, wither rose, cornflower and berry bushes. Many tweaked changes for past textures, ie: birch leaves, acacia leaves, podzol block and few more. Mostly this update includes many new variants of blocks, many new mushrooms, grass, dead bushed, flowers, vines, logs and more.