Is Apple’s iFrame video format still being developed or is it simply on life support?

“When iMovie ’09 was introduced in, well, 2009, it also introduced iFrame, a new video format developed by Apple,” Dennis Sellers writes for Apple World Today.
“So whatever happened to what the company was proposing as a new standard?” Sellers writes. “The tech giant hasn’t made detailed information about this recording format publicly available in six years.”
“As far as I can tell, iFrame never caught on,” Sellers writes. “Of course, Apple didn’t exactly bang the drum to promote it.”
Read more in the full article here.
MacDailyNews Note: Apple’s support document, “About the iFrame video format,” published on December 11, 2017 which includes a list of iFrame-compatible cameras and camcorders is here.