<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=537386) </details> <!--IssueSummary end--> So I tried out the neat "In browser IDE" feature to edit a README (on latest Google Chrome and Windows) and pretty quickly the computer started slowing down. I opened the task manager and I saw that my Google Chrome window (with very few tabs open) ate 11 GB of RAM ! This number quickly rose to 13GB before the whole browser crashed and I lost the little progress I made (fortunately I guess). This is clearly a mem leak and is a big issue.