--- a/CHANGES	Fri May 10 02:36:34 2024 +0000
+++ b/CHANGES	Fri May 10 03:45:47 2024 +0000
@@ -1,3 +1,20 @@
+Changes from gsm-codec-lib-r2 to gsm-codec-lib-r3:
+
+* Libgsmfrp has been replaced with libgsmfr2, a major version change per SemVer.
+
+* The former dependency on historical libgsm has been eliminated; the
+  functionality of libgsm (GSM 06.10 encoder and decoder implementation) has
+  been absorbed into libgsmfr2.
+
+* Libgsmefr version 1.0.1 exhibits approximately 2x performance improvement
+  over the original version.
+
+* New library added: libtwamr for 3GPP AMR-NB codec, serving as a replacement
+  for libopencore-amrnb in Themyscira GSM codec exploration workflows.
+
+* New command line utilities: amrefr-* and twamr-* related to libtwamr,
+  gsmfr-* updates for libgsmfr2.
+
 Changes from gsm-codec-lib-r1 to gsm-codec-lib-r2:
 
 * Libgsmfrp evolved from version 1.0.0 to version 1.0.2; please see