Seems to be mostly in the case of adding a second consecutive mark within a field type (e.g. I already marked one date, then move on to the other). Instead of the marquee appearing underneath your cursor, it appears at the same x-coordinates but further down the page.
Seems to be mostly in the case of adding a second consecutive mark within a field type (e.g. I already marked one date, then move on to the other). Instead of the marquee appearing underneath your cursor, it appears at the same x-coordinates but further down the page.
On Mac OS X Yosemite 10.10.5 Firefox 41.0.1
Screenshots: