https://www.dropbox.com/s/zagipygmsa8svgd/oIS4QAKxRh.mp4?dl=0 whenever you select for it to show a grid, and a ruler and when you decide to refresh or your code refreshes; those settings are lost. the behavior is a bit unstable however you can clearly see it happening in the video i recorded. this makes the firefox developer tools completely unusable, i shouldn't have to pick up my mouse and click on the ruler and grid+grid options anytime i refresh. i already did that once, it should be kept on until i decide that i don't want that anymore. i end up saving and switching back and forth between the editor and the browser probably 2-3 times a minute, that's a lot of extra and unnecessary clicks i will have to spend on reenabling my preferences