Summary
Fletcher villager's master trade includes tipped arrow for each potion (except Luck). This allows obtaining a tipped arrow of Infestation, Oozing, Weaving, or Wind Charged, without enabling the 1.21 experiments. The attached world includes a fletcher who sells weaving arrows.

Steps to Reproduce

1. Create a world without 1.21 experiments.
2. Spawn a fletcher.
3. Trade to the master level.
4. Check the traded tipped arrow. Note that this trade is not guaranteed.

Expected Result
Fletcher does not sell new tipped arrows.

Actual Result
Fletcher sells new tipped arrows.