For the several wished-for things here to happen, primarily somebody would need to write the code (or port existing code) to support those features.
The reasons why this has not been done for each of those differ, but generally boil down to (in no particular order) * No developer has been motivated to spend sufficient effort on the problem -- for example, anything that has to do with multibooting seems to be not really a priority. * a variation of previous, some features require a *lot* of work to go anywhere, so things that would be desirable in principle have not (yet) happened because getting them done would require more work than there are hands (and brains) available to get done to project quality standards. * Legal issues. For the ZFS case, the first hurdle is the CDDL (see https://en.wikipedia.org/wiki/Common_Development_and_Distribution_License), and if those complications were not enough, the code is affected by if I remember correctly at least a couple of dozen patent claims that have been subject to lawsuits and a few sealed settlements. And of course, some developer may well have started working on something but life happens (including some licensing kerfuffles, including IIRC one that lead to the abandonment of at least one attemtpt at supporting a certain class of BroadCom wifi parts). Generally, searching on the obvious keywords such as the device name and operating system name will give some clues. - Peter -- Peter N. M. Hansteen, member of the first RFC 1149 implementation team https://bsdly.blogspot.com/ https://www.bsdly.net/ https://www.nuug.no/ "Remember to set the evil bit on all malicious network traffic" delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.
