You can choose "All Projects" from project selection and set "All Projects" as your default project in your account settings.
kullboys wrote: ↑11 Jun 2018, 09:09
The project selection been far away in the top right when users are creating an Issue seens like a UI design flaw
Not sure what you mean with this. Maybe you didn't notice that there is a "Report Issue" button (redundant to "Report Issue" from left menu) left beside the project selection.
kullboys wrote: ↑11 Jun 2018, 09:09Mantis 2.x (2.3.1 atm)?
I recommend to upgrade to latest stable version as there are some known major security issues in 2.3.1.
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