To get your bug fixed faster please try to answer the following questions:
- Which browser, operating system and versions of those are you using?
Windows 7 SP1, Vivaldi 3.8.22…
- Which version of Memex are you running?
Latest
- What are the steps you took that lead to the bug?
Install the extension in vivaldi. Try and click the scroll bar behind the right side tool bar (not expanded, the small one with just the icons that shows up when you hover it)