In every view/grid - for example, in Test Library - it would be nice to have an option to add a column with System IDs.
Right now the Manual Tester can see them only in the URL

I know that Automation Testers can have them all via GET requests, but sometimes you have a use case of Manual Tester having a need to apply automation on certain tests so he can ask an Automation Team member to include Test number 666666 to a certain workflow without doing extra work in finding it