> On 3 Dec 2020, at 16:58, Thomas Scharkowski <[email protected]> wrote: > >> Am 03.12.2020 um 14:29 schrieb Hans Åberg <[email protected]>: >> >>> >>> On 3 Dec 2020, at 11:36, Thomas Scharkowski <[email protected]> >>> wrote: >>> >>>> Am 02.12.2020 um 18:54 schrieb Hans Åberg <[email protected]>: >>>> >>>> >>>>> On 2 Dec 2020, at 18:30, Thomas Scharkowski <[email protected]> >>>>> wrote: >>>>> >>>>> I have just tried - does not install on Catalina, macOs 11 required. >>>> >>>> Good to know. The other way around worked, though one cannot be sure the >>>> installed program is fully correct. >>>> >>>> >>> One addition: >>> >>> The LilyPond 2.21.81 works on Catalina when installed through MacPorts (as >>> expected). >> >> If you can run directly from MacPorts, that is better, as it is regularly >> updated. I found though MacOS 11 more stable than 10.15, but make a backup >> before upgrading: The first release deleted the Sent messages in Mail, but >> hopefully fixed by now. >> >> Also, to update the command-line tools, I had to remove them [1] and then do >> 'xcode-select --install', otherwise the SDKs in >> /Library/Developer/CommandLineTools are not updated. >> >> 1. >> https://developer.apple.com/library/archive/technotes/tn2339/_index.html#//apple_ref/doc/uid/DTS40014588-CH1-HOW_CAN_I_UNINSTALL_THE_COMMAND_LINE_TOOLS_ > > Unfortunately my iMac (late 2013) is too old for macOS 11.
Unless you are trying something like this: https://www.archyde.com/trick-get-macos-big-sur-to-work-on-older-macs/
