> Multi-Window support lets users run two apps at the same time (click the Multi-Window support link) > If your app targets API level 23 or lower and the user attempts to use the app in multi-window mode, the system forcibly resizes the app unless the app declares a fixed orientation. > If your app does not declare a fixed orientation, you should launch your app on a device running Android 7.0 or higher and attempt t…
My uninformed guess would say that a sampling of a significant number of apps showed that they rendered fine, and they deemed it worth the trade-off that some may not. The logic probably went along the lines of: it's better for the user to have this feature that works with X% of what they already have installed than to force them to wait for the developers of each and every app to decide if/when they want to get arou…
This also lets the user know it's not the Apps fault. I feel it's a pretty good way to enhance the experience where possible and move apps forward even if they're old.