There is a problem when determining whether to prevent WP from adding its default image tag attributes when the TACHYON_URL constant either does not match the given image URL. This seems to only affect subsites on multisite install, e.g. on a subdomain.
Additionally:
Initial opening of media modal no longer sets correct image editing view first time
Images in the smart editor UI from a different host cause a JS error preventing custom crops being set due to "contaminated canvas"
There is a problem when determining whether to prevent WP from adding its default image tag attributes when the TACHYON_URL constant either does not match the given image URL. This seems to only affect subsites on multisite install, e.g. on a subdomain.
Additionally: