In village chests in the affected versions mentioned above, I found grass and tallgrass. See images below.
Steps to reproduce:
1) Create a default world with the seed 8689861349976835674.
2) Look behind you. There is a savanna village.
3) Look in the chest of each house. In some you will find grass and tallgrass.
Please do not mark unreleased versions as affected.
You don't have access to them yet.