Don´t think you must go to earlier Versions of Mac OS since there we have dosdude1´s patchers as of these one of 0403979 to mention two of these. I would think your main focus should concentrate to Big Sur
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macOS 11 Big Sur on Unsupported Macs Thread
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If you want to make your app open-source, maybe Livecode would be a great tool to quickly create a prototype.
You can also call shell scripts (also with administrator privileges using the "open elevated process" command) and AppleScripts (using the "do script" command) from Livecode.
The apps you create with Livecode require only OS X 10.9 Mavericks as a minimum.
As long as your app is open-source, you can use the Community Edition for free.
@bogdanf
Installation directly on the MacPro3,1 does not work.
All my installations DP1 to DP5 were done on the supported Lenovo. (edit: DoNotSeal=true)
- SSD from MacPro3,1 via USB externally on the Lenovo
- then all installation phases with full installer up to user login. Turn off Lenovo.
- Put the SSD back into the MacPro3,1
- now I boot Catalina on the MacPro3,1
- here I delete telemetry.plugin and all .plist for network on the BigSur-SSD in Library / Preferences / SystemConfiguration (avoid conflicts with Lenovo WLAN). These will be recreated.
- then I'll replace the AppleHDA
- now I boot BigSur with cmd-s and exit (without, no keyboard)
- here in the terminal still repair permission AppleHDA, ... kmutil ... and kcditto
- Now restart and now the audio is working again
- finished
I only have to exchange the AppleHDA here, everything else works natively here. All DP's worked very well with the MacPro3,1.
Installation directly on the MacPro3,1 does not work.
All my installations DP1 to DP5 were done on the supported Lenovo. (edit: DoNotSeal=true)
- SSD from MacPro3,1 via USB externally on the Lenovo
- then all installation phases with full installer up to user login. Turn off Lenovo.
- Put the SSD back into the MacPro3,1
- now I boot Catalina on the MacPro3,1
- here I delete telemetry.plugin and all .plist for network on the BigSur-SSD in Library / Preferences / SystemConfiguration (avoid conflicts with Lenovo WLAN). These will be recreated.
- then I'll replace the AppleHDA
- now I boot BigSur with cmd-s and exit (without, no keyboard)
- here in the terminal still repair permission AppleHDA, ... kmutil ... and kcditto
- Now restart and now the audio is working again
- finished
I only have to exchange the AppleHDA here, everything else works natively here. All DP's worked very well with the MacPro3,1.
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Q: Where/how can I download macOS 11.0 Big Sur?
A: For legal purposes, the only official way to obtain a copy of macOS Big Sur is to be a registered Apple Developer and pay a yearly $99 fee to become eligible for downloading beta software. According to Apple, a public beta which does not require a registered Developer account will be released at some point in July and will be free to sign up for. Please remember it is highly suggested that you do not install beta software on your main devices, overwriting any stable releases. Beta software can cause irreparable hardware damage or irrecoverable data loss and should be used at one's own risk.
You could have seen this on the very first post...
iOS 14 Beta 6 has arrived. Usualy they publish new Beta for iOS and macOS in paralell. So there must be difficulties, to publish macOS 11 Beta 6.
Sorry but I have to correct you. The usual flow is at about 14 days between the releases. This time they released IOS, IPADOS , and so on after one week . This could mean they are going to the end of IOS 14 depending OSes development and we are near there to a final release
Whenever it comes out, I sure hope it's stabler for our unsupported Macs than beta 5. For now it seems beta 4 is the best bet for us.
Actually, now that there are 2 public betas, all you need is to be registered for the FREE beta seed to receive Big Sur public beta. Only developer betas require the $99 annual fee.
Here is the link for the beta software site where you can sign up for public betas:
Apple Beta
Unfortunately for me the download is not working, i get the warning "Update not found, needed macOS version is not available" and after clicking "ok" "Your Mac is on the latest version - macOS Catalina 10.15.6".
Hardware is Mac Pro 4.1 > 5.1 (144.0.0.0), installed and updated with Dosdude1 patcher. The Mac Pro is registered at the 'Beta Developper Program'.
I guess that's because Big Sur Beta is not available for this Mac Pro so it's not offered. How can i get the installation files now, any idea? Seems that all links to older beta installer packages are not valid any longer :-(.
Hardware is Mac Pro 4.1 > 5.1 (144.0.0.0), installed and updated with Dosdude1 patcher. The Mac Pro is registered at the 'Beta Developper Program'.
I guess that's because Big Sur Beta is not available for this Mac Pro so it's not offered. How can i get the installation files now, any idea? Seems that all links to older beta installer packages are not valid any longer :-(.
Using an unsupported iMac 12,2 with Catalina latest I am still able to download ....
Thanks a lot for the link, this is the first one which is still working for me ;-).
The easy and strightforward way of getting, for example, Public Beta 2, is to do an install of Mojave (fully supported on that machine) in a partition or a separate drive and sign up for the Public beta program on that install. This will then show and allow you to download the installer for Big Sur.
An alternative is to install a virtual machine applicaiton (Fusion, Parallels or the free VirtualBox), create a virtual machine that is at least Mojave and sign up that virtual machine for the Public beta program.
Either of these will allow the download of the installer.
I found it using the search button limiting the results to this thread. I is a miracle how you guys can find the thread or this forum without even noticing the search function.
Ok, shame on me.
I found a lot of installation instructions outside this forum and not even one swcdn link was working. Because of this i supposed Apple deleted the old sources and i've not tried to search it here.
But now i have two options to test it, thank both of you for the help.
I found a lot of installation instructions outside this forum and not even one swcdn link was working. Because of this i supposed Apple deleted the old sources and i've not tried to search it here.
But now i have two options to test it, thank both of you for the help.
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There is a discord server. There you can find what you are searching...
I have developer beta 5 on my mid 2012 Macbook Pro. all is working fine. Thanks to all the contributors here that made this possible. had few issues running the set-vars and the kexts patch in the terminal after booting to the usb installer. i ended up running the kexts patcher after finishing the final setup of Big Sur.
Yeah Apple won't let you officially install Big Sur on a 5,1. Only 6,1 and later. It won't even show in updates
Hi all
cMP5.1 successfully updated Big Sur from Beta 4 to Beta 5 WITHOUT ANY FIXES OR ADDED KEXT, everything seems to work well, even Airdrop (Wifi and Bluetooth card replaced one year ago by BCM94360CD).
cMP5.1 successfully updated Big Sur from Beta 4 to Beta 5 WITHOUT ANY FIXES OR ADDED KEXT, everything seems to work well, even Airdrop (Wifi and Bluetooth card replaced one year ago by BCM94360CD).
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MacBookPro10,1 (Macbook Pro Retina Early 2013)
Big Sur Public Beta 1 (build 20A5343j)
Just a heads up: after installing Big Sur with patch 0.1.0 as usual, I've reapplied kexts using 0.0.19 and Airdrop is working again!
Also, dynamic GPU switch is working since I'm disabling the process "displaypolicyd" automatically with this command on Terminal:
sudo launchctl disable system/com.apple.displaypolicyd
Big Sur Public Beta 1 (build 20A5343j)
Just a heads up: after installing Big Sur with patch 0.1.0 as usual, I've reapplied kexts using 0.0.19 and Airdrop is working again!
Also, dynamic GPU switch is working since I'm disabling the process "displaypolicyd" automatically with this command on Terminal:
sudo launchctl disable system/com.apple.displaypolicyd
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is that the beta 6 link? Because its the exact size of beta 5.