You can view past recent searches by clicking on the icon with little clock with a counter-clockwise arrow surrounding it (left of the main search input). Clicking on a search entry, will submit and search that query. This is available in issues, merge requests, and issue boards. The searches are stored locally in your browser.
You can view recent searches by clicking on the little arrow-clock icon, which is to the left of the search input. Click the search entry to run that search again. This feature is available for issues, merge requests, and issue boards. Searches are stored locally in your browser.