I emailed firstname.lastname@example.org to inquire about that--basically sent them the content of my comment here. I received an almost immediate response from LTspice developer Mike Engelhardt. Here, quoted with his permission, is his reply:
On the PC version, I added many features over the course of 15 yearsbut never changed the software in the interest of not confusingestablished users. In hindsight, this might have been a mistake.
On the Mac Version, I removed the parts of the GUI which I never use.I removed the toolbar from the Mac version because all it did onthe Windows version is teach people the wrong way to use the software.Use the right click menus instead so you don't have to move yourmouse so much.
So it looks like we Mac users will need to adapt. I see his point, and I'm willing to give it a try, but it will take some getting used to. I still feel a bit stuck in the mental model that basically casts the old toolbar as me seeing my tools all spread out before me within easy reach, versus knowing they're in the toolbox but I need to dig one out each time I need to use it.
As a long time Mac user, I was excited to see a Mac-native version of LTspice released. Having used it, I'll be sticking with running the Windows version via Parallels. Hiding the majority of the functionality in a context menu requiring a right-click to access everything is a pain. I greatly prefer the Windows version's menus and toolbars where everything is plainly visible.
LTspice for the Mac OSX was available in late September and formally announced this last week. The layout is different than for the PC, which confused me at first. The menus to create schematics will appear when you right-click.
Having used LTspice in a previous employment I can say that it was quick to learn and easy to use. The LTspice tutorial is a great idea and would be a good reference for anyone in a company that needs to get up to speed quickly. If you are a casual user or hobbyest then feell free to load up LTspice and learn by playing. On line helps are available and can get you over some of the hurdles should you encounter any. Thanks for the nice article!
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