blocklist: Add an UPDATING entry

Add an UPDATING entry about the renaming of blocklist.

Approved by:	emaste (mentor)
Fixes:	7238317403b9 ("blocklist: Rename blacklist to blocklist")
MFC after:	1 day

1 files changed, 6 insertions, 0 deletions

diff --git a/UPDATING b/UPDATING
index 4460898fca2d..74ddc238ddca 100644
--- a/UPDATING
+++ b/UPDATING
@@ -27,6 +27,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 16.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".)
 
+20251012:
+	Blacklist has been renamed upstream to Blocklist.  If you have it
+	configured, rename all configuration files, firewall anchors or
+	sentinel files to reflect the new nomenclature.  Old setups will
+	continue to work emitting a warning.
+
 20251002:
 	Audio-related utilities including mixer(8) and virtual_oss(8) have
 	moved to the new FreeBSD-sound package.  If you have set-optional or