Slashdot reader Lauren Weinstein writes: Youtube very quietly made a very cool and rather major improvement in their video players today... YouTube is now adjusting the YT player size to match videos' native aspect ratios. This is a big deal, and very much welcome. YouTube provided some before-and-after screenshots Friday, and acknowledged that "We launched this update on mobile awhile back (both Android and iOS) so this change also aligns the desktop and mobile viewing experiences." Gizmodo writes: Until now YouTube forced all videos into a 16:9 ratio by windowboxing them, meaning surround them with black vertical or horizontal bars like the old days of watching widescreen movies on VHS. In that sense, this isn't a huge change -- white space instead of black -- although the location of player controls moves to fit the video's size... The aspect adjustments are apparently automatic, retroactive to all uploaded video, and if there's a way to turn the feature off in Creator Studio it's non-obvious... Update 7/27/18 7:48pm: A YouTube spokesperson has since clarified to Gizmodo that currently there is no way to disable this feature.
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