Guides not working

[DGee]

All the work I do requires a lot of precision while working with guides and I'm really struggling. In my experience they rarely work and when they seem to work if you zoom out you can see that they are not precisely located where they should e.g. over the outline of an adjacent vector and not 1 px away from it.

I've tried all presets in the guides tool and I have also tried to tweak every paramater to my needs but they seem totally unreliable. For instance I was trying to align a rectangle to one of the adjacent objects which were two letters converted to curves. The letter shapes are curves and the rectangle is a shape the letter are within a group and the rectangle is not. Well.. it would not align to any point of the letter geometry regardless of the settings, sometime it would align to an specific point in a letter but to to any point of the geometry?

Sometimes I can get them to work if I switch off all layer but 1 or 2 but even then, sometimes they don't work. This is really a priority I think, this is the foundation of every design we need accurate guides!

If there's something I can do on my end to get them to work I would greatly appreciate you sharing some tips, I have tried every parameter at this point but I may be missing something.

[DGee]

I have just tried to ungroup the letters and now it works... is it weird or is this normal behaviour? It'd be great if grouped objects could behave like ungrouped object or at least give the option to switch this behaviour on and off via a checkbox.

[lepr]

If you set snapping candidates to Candidate List, you can snap to members of a Group. While dragging something, if you hover the pointer over a target object for about a second then the target's border is highlighted with purple and it is added to the snapping candidates list.