Some Trees' Leaves/Logs get cut off at chunk borders prior to world generation

After the "Spring to Life" update, I wanted to play on my server again after a long time and visit old biomes. While exploring a biome to build something nice, I noticed that the changes to old biomes were causing problems in previously generated areas. In particular, trees were being cut off at the chunk boundaries, and some leaves were floating in the air.

Here are the steps to recreate:

​1 create a world before 1.21.70

2 visit some biomes

3 update to the news version