diff --git a/general-info/release-19c.txt b/general-info/release-19c.txt
index cb9769bd3d8426da3df58fe4819ac61d0a0199c7..7066a1264399057c615620c4129123137178bd66 100644
--- a/general-info/release-19c.txt
+++ b/general-info/release-19c.txt
@@ -36,6 +36,10 @@ New in this release:
         the right position.
       - Add a restart for ENSURE-DIRECTORIES-EXIST to retry directory
         creation if necessary.
+      - Destructive functions like nreverse that modify constant args
+        will produce a warning.
+      - Destructive functions like nreverse whose results are not used
+        will produce a warning.
 
   * Numerous ANSI compliance fixes:
 
@@ -64,7 +68,19 @@ New in this release:
         pathname and the defaults have nothing in common.
       - PARSE-NAMESTRING will accept a string for the DEFAULTS
         parameter, as specified by ANSI.
-        
+      - A reader-error is signaled if the number that is being read is
+        too small to be presented.  We used to silently return 0.
+      - WITH-INPUT-FROM-STRING no longer modifies the index if
+        WITH-INPUT-FROM-STRING is not exited normally.
+      - An error is signaled if a declaration is used as the name of a
+        deftype, condition, or defstruct, and vice versa.
+      - An error is signaled when trying to generate a namestring from
+        a pathname with just a version component (other than nil,
+        :newest, or :unspecific).  CMUCL cannot print that readably.
+      - FLET and LABELS functions will catch errors in keyword
+        parameters.  Previously, a keyword of NIL was silently
+        accepted. 
+
   * Numerous bugfixes:
 
       - Regression in MRG32K3A benchmark fixed.
@@ -118,6 +134,9 @@ New in this release:
       - PROBE-FILE for a pathname that is actually a directory returns
         a pathname indicating that it is a directory.
       - LISTEN on DUAL-CHANNEL-SIMPLE-STREAM should work now.
+      - Some numerical issues with the two-arg log function have been
+        fixed.  (log 17 10f0), (log 17f0 10) and (log 17 10) all
+        return the same result now.
 
   * Other changes: