Project: QGIS
Version: 3.24
The new On Inner Vertices mode places the symbols on all inner vertices only (i.e. all vertices except the first or last vertex).
Previously, the old "Vertex" mode put symbols on the first and last vertex as well as all inner vertices, making it basically impossible to style a line with a different marker on the first or last vertex to the rest of the line's vertices. With the new On Inner Vertices option it's easy to create a style where a line has a different marker on the first or last vertex vs the rest of the vertices!
(This change is paired nicely with the switch to using checkboxes for the placement options -- to get a marker to show on all vertices, just make sure the first, last and inner vertices options are checked).
