Add UPDATING entries and bump versionrelease/15.0.0-p12releng/15.0

Approved by:	so

2 files changed, 24 insertions, 1 deletions

diff --git a/UPDATING b/UPDATING
index 87b955da9408..cb922072aea3 100644
--- a/UPDATING
+++ b/UPDATING
@@ -12,6 +12,29 @@ 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.
 
+20260729:
+	15.0-RELEASE-p12 EN-26:18.tzdata
+			EN-26:19.zfs
+			SA-26:51.ktimer
+			SA-26:52.if_wg
+			SA-26:53.ktrace
+			SA-26:54.sysvsem
+			SA-26:55.elf
+
+	Timezone database information update. [EN-26:18.tzdata]
+
+	Race conditions in zvol device management. [EN-26:19.zfs]
+
+	Kernel stack disclosure via timer_settime(2). [SA-26:51.ktimer]
+
+	Missing MAC validation in wg(4) packet decryption. [SA-26:52.if_wg]
+
+	ktrace privilege incorrectly validated in jails. [SA-26:53.ktrace]
+
+	Heap out-of-bounds access in semctl(2). [SA-26:54.sysvsem]
+
+	Race condition in ELF core dump segment counting. [SA-26:55.elf]
+
 20260630:
 	15.0-RELEASE-p11 EN-26:16.arm64
 			EN-26:17.rpcsec_tls
diff --git a/sys/conf/newvers.sh b/sys/conf/newvers.sh
index 1a172a5a577d..76e7a357ff63 100644
--- a/sys/conf/newvers.sh
+++ b/sys/conf/newvers.sh
@@ -51,7 +51,7 @@
 
 TYPE="FreeBSD"
 REVISION="15.0"
-BRANCH="RELEASE-p11"
+BRANCH="RELEASE-p12"
 if [ -n "${BRANCH_OVERRIDE}" ]; then
 	BRANCH=${BRANCH_OVERRIDE}
 fi