diff --git a/website/content/en/releases/13.0R/relnotes.adoc b/website/content/en/releases/13.0R/relnotes.adoc
--- a/website/content/en/releases/13.0R/relnotes.adoc
+++ b/website/content/en/releases/13.0R/relnotes.adoc
@@ -302,6 +302,9 @@
 scalability on high core count systems.
 gitref:d4665eaa6638[repository=src]
 
+Removed support for procfs-based process debugging.
+gitref:59838c1a197[repository=src]
+
 [[drivers]]
 == Devices and Drivers
 
@@ -337,6 +340,15 @@
 accelerators.
 gitref:97e251327f95[repository=src] {{< sponsored "Chelsio Communications" >}}
 
+Removed the deprecated man:ufm[4] driver for USB FM tuners.
+gitref:209d3fb41fe[repository=src]
+
+Removed the deprecated man:ctau[4] and man:cx[4] drivers.
+gitref:2733d8c96c6f[repository=src] {{< sponsored "The FreeBSD Foundation" >}}
+
+Removed the man:vpo[4] driver for parallel port SCSI adapters.
+gitref:51691e26d06[repository=src]
+
 A new man:safexcel[4] driver supports cryptographic requests via the EIP-97
 packet processing module found on the ESPRESSObin.  gitref:b356ddf07671[repository=src] {{< sponsored "Rubicon Communications, LLC" >}}