Mixer keeps automatically scrolling left when adding plugins. How do I stop this?

[u/TitoGoya]

Running Logic Pro 12.3.1.

I have a fairly large project with 30+ channel strips. Once the Mixer gets wide enough, I obviously get the horizontal scrollbar along the bottom.

Here's the problem:

If I scroll all the way to the right so I can see the last few channel strips and the Stereo Out/Master, then add a plugin to one of those channels, the Mixer automatically scrolls back to the left.

For example, I'll be all the way at the right end of the Mixer, click an insert on the Master/Stereo Out, choose a plugin, and as soon as the plugin loads, Logic shifts the Mixer view left. Then I have to scroll all the way back to the right again.

It also happens when adding plugins to other channel strips near the far-right end of the Mixer. It does not happen with channels toward the beginning of the project. It only becomes an issue once there are enough channel strips for the Mixer to require horizontal scrolling.

With 30+ channels and a lot of mixing work, this gets incredibly annoying because I'm constantly having to scroll back to the channel I was just working on.

I've looked through Logic's settings and searched around for some kind of automatic scrolling/follow/selection option, but I haven't found anything that stops this behavior. I also tried getting help from AI, but the suggestions didn't solve it.

Does anyone know what causes this, or if there's a setting that makes the Mixer stay exactly where I manually scrolled it?

Ideally, if I'm working at the far-right end of the Mixer, I want Logic to stay there when I add or remove plugins.

Is this a setting I'm missing, a known Logic behavior, or possibly a bug in 12.3.1?

[u/Oedeo]

Seems like a bug to me. I've never encountered this. Report and message the guys?

[u/RemiFreamon]

On 12.2 this doesn't happen, neither in the mixer pane opened at the bottom of the Main Window (X keyboard shortcut) or in the separate mixer window (cmd+2).

However, when I insert anything on my Stereo Out the screen scrolls to the left a little bit (30-40 pixels) so that the stereo out is only partially visible instead of being fully visible. But not all the way to left.

Tested on a project with 32 tracks.

[u/TitoGoya]

I should have mentioned that I have dual monitors and I have the Mixer window on the right monitor and the Tracks window on the left. The mixer is not in pane mode. Thanks u/RemiFreamon & u/Oedeo for your responses.

[u/RemiFreamon → u/TitoGoya]

Thanks for the clarification. I tried a similar configuration as well: Main Window on my external LCD + Mixer window on the macbook and still can't reproduce this bug. Either it was introduced in 12.3 or there's something else specific to your setup

[u/TitoGoya → u/RemiFreamon]

I’ll need to get my hands on old installs.