* Stefan Agner (stefan@agner.ch) turned the original ext2fs/ext3fs driver
into one that can read ext4fs.
+* Samuel Liao ported the GRUB 2 Btrfs code into an EFI driver and
+ contributed it to this project.
+
* Matthew J. Garrett (mjg@redhat.com) wrote the shim boot loader upon which
rEFInd relies for its Secure Boot functionality. I took a few shim
functions to help out on the rEFInd side, too; see the mok/mok.c source