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Even if there was, how would the app know where to position the text, what font/weight/style to use, & if it should be grouped with the layer or not?

FWIW, when I tried to load the PDF from the OP into Designer on my Mac, I got a 'Loading...' message that never completed even after waiting 5-6 minutes for it to complete. I had to force quit AD to recover. When I opening the file in Preview, it loaded fairly quickly but it was a mess -- dozens of tiny items scattered all over the document. some on top of others. I am not sure why I could not get it to open in AD.

I share your opinion of any/all mouse made by Apple ... but I'm not even sure the MT2 is that much better -- some of its touted gestures don't seem easy to use or limited to just a few apps.

Personally, while I have one, I rarely use it, & it doesn't seem to offer anything better than a mouse for selections & so on. Others may find it worth the price but for me it is not worth it, at least for use in Affinity.

Probably obvious by now but note that these settings only apply to the field values displayed in the UI, not the actual values. So if you explicitly enter say 0.09 mm for a stroke width & the dp for mm is set to 1, it will be displayed as 0.1 even though it is actually 0.09.

@meridian360, (other than the query about the 250 object limit) you should be posting things like this to the Feedback & Suggestions forum, not here in Questions.

@meridian360, you should be posting things like this to the Feedback & Suggestions forum, not here in Questions.

Be that as it may, I was asking what the default for Hide Studio is in Windows. So I am asking if it is just CTRL+H or CTRL +Shift + H.

I would probably go with one document/artboard & maybe use one capital L Layer for each floor. For electrical (or plumbing & such) I would probably use one group for each floor, each in that floor's Layer.

To save a little time for those wondering about how to do this in Affinity Designer the short answer is you can't. The Fields panel is available only in Affinity Publisher, so if you do not own that app you are out of luck.

So, what is the default for Windows? BTW, I should have checked all 6 of my Affinity apps (V1 & V2 for each) because they all have the same shortcut.

I don't remember if this is something I changed or the default but on my Mac the shortcut for Hide Studio is CMD+Shift+H, making it much harder to toggle by accident.

The former is very useful in some workflows where it is desirable to quickly change the layer opacity, for instance when using an upper layer as a reference for creating something on a lower one. Personally, I think the usefulness of the brush opacity shortcut speaks for itself. That said,, I have to admit I am a fan of keyboard shortcuts so YMMV.

And it is one less step than what @Iztok asked for, which was two clicks and delete.

I don't know if this helps but basically, layers are just the containers objects are placed in. No object in the document can exist outside of some containing layer. Some but not all kinds of layers can be 'parent' layers that can contain zero or more 'child' objects, like Group layers, Artboard layers, & capital L Layers. These are often referred to collectively as 'container' objects, for what should be obvious reasons.

What exactly do you mean by a "Document Settings preference"? Many properties are stored within the document itself, so there is no need for a separate preference or setting for that. Pallet positions & keyboard shortcuts are set application wide but view size is not. As for "agency" you explicitly set the first two to whatever you want; so they are not reset without your consent. Consider working on a document with 6 or more master pages & hundreds of document pages. The small size is a good choice when you want to do something that applies to many pages; it reduces the scrolling you need to do to select them all.

YES -- why else would I keep mentioning it & even put it in bold & color the capital L red in an earlier reply??? But please note that the Layer menu is with a few exceptions not a list of layer types. There is a Layers panel where you can see what type of layer each of the layer creation tools has created, & the Tools panel where you can choose among those tools to create new objects or modify existing ones. No. As mentioned multiple times, there are a few container layer types that can contain more than one object but all the other layer types are created on their own individual layers. The main container types are Groups & the previously mentioned capital L Layers which can be created in AD.

Please stop referring to PCB layers & at least answer what I asked about the types of layers you want to create in an Affinity document. This has nothing to do with physical printed circuit boards or how they might be designed or laid out in CAD apps. Each type of layer in Affinity has a name, like Pixel, Image, Rectangle, vectors drawn with the Pen or Pencils tools, etc. BTW, I'm sure you know that PCB's can be single or laminated multi-layer, the latter used for complex circuits where too many jumpers would complicate things when traces have to cross each other, or sometimes for guards with a similar purpose to discrete shielded wiring.

Again, I have to ask what kind of objects you are talking about, & how many objects you think are in any one layer. Most layer types can contain only one object -- IOW, they are not containers for other objects, just individual objects of any of many different types. Also, once again I suggest you provide a simple Affinity document with the 5 layers you mentioned earlier so we can better see what you are talking about. BTW, I not only am familiar with PC boards, I have designed & fabricated them myself. But this has nothing to do with that & it is not helpful to use them as an example. So please supply an Affinity format document with just a few objects demonstrating what you mean.

I still do not know what you mean about all objects being a particular color. For instance, a Pixel or Image layer can have many differently colored pixels. Regardless, it would help to know if by "traditional" layers you mean something other than the capital L Layer container type of object or something else. An example of a 5 layer file you are asking about would help, too.

Would you prefer that it remain sticky on restarts, have an application-wide preference option, or be saved along with each document?

That is part of the problem: a layer may or may not be a group that contains other objects. The capital L Layer object is, like group layers, a type of container, one that (also like group layers) may contain zero or more child objects. As for layer colors, are you asking for a way to change the color of the object(s) themselves, or juat how they appear in the Layers panel? Also, I have no idea what you mean by "I may even want to change the red layer's color to blue but would still need it to be distinguishable from the identical color on the blue layer." If they are identical how could they possibly be distinguished, one from the other.

Why specifically do you think that? There are many application-wide settings, so what makes this one worse than any of the others?

No, as @mattspace mentioned, it is an application setting. You can test this quickly -- just change the thumbnail size & note that the document can be closed without a save warning or showing an asterisk in its name, indicating it has been modified. But I do not think that is a bug, just working as it was designed to do.

Where did you read that? The Info panel is a feature of Affinity Photo. It is not available in Affinity Designer. And in Affinity Photo V2, it is in the Window menu, not the View menu.