MovieRecorder 4 was released in 2017, and to help our customers transition to the new version from MovieRecorder 3, we'd offered an upgrade path to make that change as comfortable and affordable as possible. As many of you know, due to the global supply chain issue, our M|Family products are no longer available, and will remain unavailable for the foreseeable future. As such, effective April 15th, 2022, the M|Family upgrade paths will no longer be available, either. We will still maintain the MovieRecorder 3 to MovieRecorder 4 upgrade paths, including the 4-pack upgrades, so you will be able to upgrade after that date, but the M|Family upgrades did offer significant savings -- so if you own one of these products and have not yet upgraded, now's the time! Note that the M|Family upgrades do not include OnTheAir Video Express upgrades, only MovieRecorder 3 to MovieRecorder 4.