By now, kdenlive has nice features around chapters in its export. I would like to suggest also reading chapters in imported clips.
I don’t think there is much missing to support this, all the UI is pretty much solved if the chapters would translate to the existing clip markers.
Given this clip, as seen in VLC:
(image removed as I can only put in a single media item per post right now 
)
Output from ffprobe -show_chapters <filename> for that same file (slightly abbreviated):
[CHAPTER]
id=0
time_base=1/1000
start=0
start_time=0.000000
end=5200
end_time=5.200000
TAG:title=Start
[/CHAPTER]
[CHAPTER]
id=1
time_base=1/1000
start=5200
start_time=5.200000
end=8766
end_time=8.766000
TAG:title=This particular new marker ("Szene 2")
[/CHAPTER]
This imports into kdenlive without any chapters/markers:
(image removed as I can only put in a single media item per post right now )
What I would like to propose is, turning these chapters into the existing markers on import (mockup):
please note the purple extra markers on the timeline in the same places as in VLC. These would be immensely useful to me.
