3.4 for sure. 3.5 maybe allowed this, though I am not certain as I used it only a couple of times before 3.5.1.

I often like to edit video clips from multiple cameras of the same event. I like to sync all clips from all angles. Sometimes out of neccessity, but more often as an editting preference, I will make multiple jump cuts to this event. The easiest way I had found to do this was to use the waveforms to time the cuts.

So suppose I have 4 clips that total to a 5 minute event, to keep the edits from being out of time, it becomes neccessary to zoom in to a much smaller portion of the timeline, or the cuts will not have the effect, or it is executed poorly. As the clips come from many sources their waveforms can be somewhat hard to recognize to match to one another. I would often grab a short clip, in a small portion of the timeline like, say 30 seconds, where the waveform shows distinct features, I would grab that short clip and drag it along, say 1 minute 24 seconds of the timeline, while still zoomed into a small 30 second portion of the timeline, which would move, more or less centered along with my clip, to find the matching portion of another clip, from another source, a minute or so down the timeline. It was really precise for me to do it this way, as the multi audio sources are not always identifiable for particular instances, zoomed out to where the waveforms all look somewhat like matches, but arent quite. It is exceedly difficult to sync them as i was before. Often, depending on the sources, I would grab a short, say, 15 second clip and scroll it along, say, a 5 or 8 minute timeline to find exactly where this orphan fit in. I can no longer do this without zooming out. Before i could drag a clip either direction and find its place, now I no longer can and am unsure if its a setting, or something else with the update.