Annoying=slows me down.
1. Select detail/assembly - right click - select edit - Dimension is shown outside from visible area on the screen. You have to search for it. Why dimension(s) cannot be shown within visible area on the screen?
2. Select detail/assembly - right click - select edit - selecting filter is set to ALL. It should be set to DIMENSIONS. Is there any other reason I want to use edit command in first place? NO!
3. Moving assemblies to a different order - you cannot place it in between two other assemblies very easy. I always end up placing assembly inside other one instead in between.
4. When distance is measured, measurement is shown BEHIND measurement window and you have to move the window before seeing the value.
5. Importing STEP or any CAD exchange file - if you select template file it will be also used when you make new file. And system is set to use our standard template for new details not for purchased details. You have to change it to desired template. But, if you import STEP file again, template previously selected for previous STEP file does not change, which is OK. So, why it changes when I want to make new detail?
6. Make a detail and a drawing for that detail. Save detail several times. Rename detail and see what you'll get. All instances of detail are renamed but drawing file is not. Creo knows there are additional instances of detail and renames them but it does not know that drawing file exists? Do I really ask too much?
7. When working on one detail/assembly, all of the sudden, Creo changes focus to different detail/assembly that is also opened. And it is out of focus as well. I have to re-select my previously active window.
8. Order of opened details/assemblies is wrong. I open several assemblies/details windows. When I work on assembly and I open detail to work on it, after I close that window I want Creo to return to previously opened window, not the very first one that was opened.
9. In drawing mode, unless you are on right tab, you cannot select items on the drawing. For example, you have to select Table tab in order to be able to select table. It should be other way around. When table is selected, Creo should put focus on Table tab.
10. Why "Mate" name contrain is removed? Now, I have to think twice before I choose right contrain to alter.
11. When two surfaces are constrained NORMAL constrain is default instead of mate (or should I say coincident?).
12. Notification windows should not display anymore after I select check box "In future do not show this message". But, it still does.
13. When pressed Esc buton while in skecth mode, Creo will go out without asking to confim it. On other hand, it asks to confirm cancel command even when it is not needed.
14. When measuring, after pressing middle button (as in WF4) measurement window does not close.
15. With AMD graphics cards, model three window goes black an you have to click on each item/feature blindly until they show up.
This list was made while I was working.