It involves 8.2.0.0015 on macOS Mojave, CUVNP, LDGNT dataset.

As you can see in HDNT on top right panel, it shows the "sentence" boundary as Eph 1:3a, 3b-6, 7-...
Creating a visual filter on top left panel.
In lower left ESV, the question mark reflects this sentence boundary correctly. While in lower right CUVNP, there are a ton of wrong visual marker.