The variety update brings a whole lot of new changes, with this pack, seasons change quite slowly, roughly every 1.6 ingame days, great for playing survival 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.