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index c05670e14f7c..705ca6431a32 100644
--- a/UPDATING
+++ b/UPDATING
@@ -27,6 +27,18 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 14.x IS SLOW:
world, or to merely disable the most expensive debugging functionality
at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
+20230817:
+ Serial communication (in boot loaders, kernel, and userland) has
+ been changed to default to 115200 bps, in line with common industry
+ practice and typcial firmware serial console redirection
+ configuration.
+
+ Note that the early x86 BIOS bootloader (i.e., boot0sio) does not
+ support rates above 9600 bps and is not chagned. boot0sio users may
+ set BOOT_COMCONSOLE_SPEED=9600 to use 9600 for all of the boot
+ components, or use the standard boot0 and have the boot2 stage start
+ with the serial port at 115200.
+
20230807:
Following the general removal of MIPS support, the ath(4) AHB bus-
frontend has been removed, too, and building of the PCI support is