diff --git a/documentation/RELEASE_NOTES.html b/documentation/RELEASE_NOTES.html
index ef0b35d07..57d401e9d 100644
--- a/documentation/RELEASE_NOTES.html
+++ b/documentation/RELEASE_NOTES.html
@@ -32,9 +32,24 @@ a script by starting those lines with '#-' rather than just '#'.</p>
 
 <p>The table of record support functions (rset methods for short) no longer
 has entries of type <tt>RECSUPFUN</tt> (which says: any number and type of
-arguments). The <tt>RECSUPFUN</tt> typedef has been removed and casts to
-<tt>RECSUPFUN</tt> can no longer be used when initializing <tt>struct
-rset</tt>. Record supports can define the macro <tt>REC_TYPE</tt> to the
+arguments). Instead, rset methods are now typed by default. The
+<tt>RECSUPFUN</tt> typedef has been removed and casts to <tt>RECSUPFUN</tt>
+can no longer be used when initializing <tt>struct rset</tt>.</p>
+
+<p>Existing code (e.g. external record supports) might not compile cleanly
+against the new rset definition without changes. Instead of adapting their
+code as described further below, users can instead get the old untyped
+definitions back by placing</p>
+
+<blockquote><pre>
+#define UNTYPED_RSET
+</pre></blockquote>
+
+<p>before including headers from base.</p>
+
+<p>The following assumes that <tt>UNTYPED_RSET</tt> has not been defined.</p>
+
+<p>Record supports can define the macro <tt>REC_TYPE</tt> to the
 name of their record type (including the <tt>Record</tt> suffix) before
 including any headers from base, like this:</p>
 
diff --git a/src/ioc/dbStatic/Makefile b/src/ioc/dbStatic/Makefile
index c962501d9..2836785ba 100644
--- a/src/ioc/dbStatic/Makefile
+++ b/src/ioc/dbStatic/Makefile
@@ -21,6 +21,7 @@ INC += guigroup.h
 INC += devSup.h
 INC += drvSup.h
 INC += recSup.h
+INC += oldRecSup.h
 INC += dbStaticIocRegister.h
 
 dbCore_SRCS += dbStaticLib.c
diff --git a/src/ioc/dbStatic/oldRecSup.h b/src/ioc/dbStatic/oldRecSup.h
new file mode 100644
index 000000000..35971a670
--- /dev/null
+++ b/src/ioc/dbStatic/oldRecSup.h
@@ -0,0 +1,30 @@
+/*
+ * DO NOT INCLUDE THIS FILE
+ *
+ * Instead #define UNTYPED_RSET, then #include "recSup.h"
+ */
+
+typedef long (*RECSUPFUN) ();      /* ptr to record support function*/
+
+typedef struct rset {	/* record support entry table */
+	long		number;		/*number of support routines	*/
+	RECSUPFUN	report;		/*print report			*/
+	RECSUPFUN	init;		/*init support			*/
+	RECSUPFUN	init_record;	/*init record			*/
+	RECSUPFUN	process;	/*process record		*/
+	RECSUPFUN	special;	/*special processing		*/
+	RECSUPFUN	get_value;	/*no longer used		*/
+	RECSUPFUN	cvt_dbaddr;	/*cvt  dbAddr			*/
+	RECSUPFUN	get_array_info;
+	RECSUPFUN	put_array_info;
+	RECSUPFUN	get_units;
+	RECSUPFUN	get_precision;
+	RECSUPFUN	get_enum_str;	/*get string from enum item*/
+	RECSUPFUN	get_enum_strs;	/*get all enum strings		*/
+	RECSUPFUN	put_enum_str;	/*put string from enum item*/
+	RECSUPFUN	get_graphic_double;
+	RECSUPFUN	get_control_double;
+	RECSUPFUN	get_alarm_double;
+}rset;
+
+#define RSETNUMBER ( (sizeof(struct rset) - sizeof(long))/sizeof(RECSUPFUN) )
diff --git a/src/ioc/dbStatic/recSup.h b/src/ioc/dbStatic/recSup.h
index 21d724e36..6bc6adf90 100644
--- a/src/ioc/dbStatic/recSup.h
+++ b/src/ioc/dbStatic/recSup.h
@@ -23,6 +23,10 @@ extern "C" {
 
 typedef struct rset rset;
 
+#ifdef UNTYPED_RSET
+#include "oldRecSup.h"
+#else
+
 /* defined elsewhere */
 struct dbAddr;
 struct dbr_enumStrs;
@@ -60,6 +64,8 @@ struct rset {
 
 #define RSETNUMBER 17
 
+#endif /* UNTYPED_RSET */
+
 #define S_rec_noRSET     (M_recSup| 1) /*Missing record support entry table*/
 #define S_rec_noSizeOffset (M_recSup| 2) /*Missing SizeOffset Routine*/
 #define S_rec_outMem     (M_recSup| 3) /*Out of Memory*/