Till July 2016 it was possible to directly boot any distro, not only Arch-based, by the Grub (aka Grub 1, aka Grub Legacy) boot loader. Independently from the boot loader used in the installation ISO. For quite a long time now it is Grub 2.
Starting from July 2016 some - “bad” - distros gradually loose the ability to be booted by Grub 1 directly. They are installed in such a way that an attempt to boot them directly with Grub 1 returns Error 14: Filesystem compatibility error, cannot read whole file.
It is still possible to boot them indirectly with Grub 1 - by installing Grub 2 in their / partition, and then by chainloading their Grub 2 from Grub 1. Exactly the same way as any Grub boots Windows. Though it looks very strange to boot Linux in a Windows way.
Other - “good” - distros still survive. Even though they have Grub 2 as the default boot loader, once installed, they can be booted directly by Grub 1.
Every time when some newly published release refuses to be booted by Grub 1 directly, I do a fresh native Arch installation. It doesn’t depend on any installer or specific boot loader. As expected, Grub 1 launches all Arch instances directly and without a problem.
I’m posting this because starting from 2016.09.03 release Antergos makes part of the 1st, “bad” distros category. 2016.09.25 release imposes the use of Grub 2 as well.
Remaining strictly in Arch world, looking at well-known and active distros, and considering only the most recent releases, these are “bad” distros which accept only Grub 2 by default now:
These are “good” distros which continue to accept either Grub 1 or Grub 2:
- Arch Linux (fortunately, no installer, no default boot loader)
- Manjaro, official and community (Calamares)
- Apricity (Calamares)
- Netrunner Rolling (Calamares)
For me, it is a very bad tendency, when a distro begins to depend on a specific boot loader. I’m very, very concerned about it. And I don’t want to boot Linux as if it were Windows. For these two reasons I tend to avoid using such distros.
A native Arch Linux installation with added [antergos] repo is almost undistinguishable from Antergos. I do not use and have no plans to use Grub 2. If popular distros will force to use it, I’ll turn back to vanilla Arch + [antergos] repo combo.
Just personal thoughts. Sorry for the time, lost for reading.