Stereo Tool

When you load an external STS preset your chosen latency setting is not changed.

But loading one of the internal presets the latency setting changes automatically to 4096.

Why do we have this difference ?

IMO it would be better that the user selected latency setting would persist with all kind of presets (except if in future versions the latency setting would be part of the preset).

I have to agree that this behavior is indeed a bit strange. At some point I decided NOT to include the latency in presets. However, some built-in presets sounded bad at lower latency settings, and I didn't want people to select a bunch of presets and then think "Stereo Tool sucks". But the current behavior is confusing.

Actually, the best solution would probably be to include the latency in each preset.

Ok.
If you are looking for a very good example that demonstrates the (possible noticeable) quality differences with different latency settings:

Leona Naess - Paper Thin

This song starts with a very deep bass only that perfectly demonstrates the differences in quality switching latency setting.
Maybe it could be usefull to cut this bass intro as a short sample and put this on the server for download for new (unexperienced users) to better decide what latency they need ?
Though this deep bass intro of the song is really a worst case scenario (based on this impression everybody would chose 4096).