Users are encouraged to vote for ideas and features that they would like to see prioritised in development of the app. It does not guarantee that a feature will be developed sooner, but it certainly could make a difference. You can vote for an Issue by clicking on the 👍 just under the ticket description.
How to make a Bug Report
The idea is to help reproduce the issue. If your bug is not reproducible it will not likely get fixed. You should clearly provide the steps to reproduce the bug. Use of step-by-step bullet points is encouraged. If you can add screenshots or a screen recording then this will greatly assist in understanding the issue.