Each day I wonder why on Data Center the horizontal scrolling option is missing in Advanced Roadmap, 
which would so much more ease the life of the users.

Instead we have a fixed view and always need to adapt manually the range if I want to see other time ranges.

Please make life easier for developers by introducing a scroll option for the timeline.

As far as I see it exists on the cloud. I use Jira Data Center 10.x.y