Add UPDATING entries and bump version

Approved by:	so

UPDATING

@@ -12,6 +12,26 @@ Items affecting the ports and packages system can be found in
 /usr/ports/UPDATING.  Please read that file before updating system packages
 and/or ports.
 
+20260928:
+	15.0-RELEASE-p14 EN-26:24.tzdata
+			SA-26:64.sysvsem
+			SA-26:66.jail
+			SA-26:67.ktls
+			SA-26:68.openssl
+			SA-26:69.udp
+
+	Timezone database information update. [EN-26:24.tzdata]
+
+	Heap out-of-bounds access in semop(2). [SA-26:64.sysvsem]
+
+	Multiple jail filesystem root escapes. [SA-26:66.jail]
+
+	Remote DOS via receive-side kernel TLS. [SA-26:67.ktls]
+
+	OpenSSL CVE-2026-84782. [SA-26:68.openssl]
+
+	UDP sendto(2) bypasses jail network isolation. [SA-26:69.udp]
+
 20260825:
 	15.0-RELEASE-p13 EN-26:20.microcode
 			 SA-26:56.hwpmc

sys/conf/newvers.sh

@@ -51,7 +51,7 @@
 
 TYPE="FreeBSD"
 REVISION="15.0"
-BRANCH="RELEASE-p13"
+BRANCH="RELEASE-p14"
 if [ -n "${BRANCH_OVERRIDE}" ]; then
 	BRANCH=${BRANCH_OVERRIDE}
 fi