diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 3d57afbd281..3e301d95fb7 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20211225
+20211226
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index dcdf94dbbf4..1ebbe3665fd 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,21 @@
+2021-12-25  Francois-Xavier Coudert  <fxcoudert@gmail.com>
+
+	PR libfortran/81986
+	PR libfortran/99191
+	* libgfortran.h: Remove gfc_xtoa(), adjust gfc_itoa() and
+	GFC_ITOA_BUF_SIZE.
+	* io/write.c (write_decimal): conversion parameter is always
+	gfc_itoa(), so remove it. Protect from overflow.
+	(xtoa): Move gfc_xtoa and update its name.
+	(xtoa_big): Renamed from ztoa_big for consistency.
+	(write_z): Adjust to new function names.
+	(write_i, write_integer): Remove last arg of write_decimal.
+	* runtime/backtrace.c (error_callback): Comment on the use of
+	gfc_itoa().
+	* runtime/error.c (gfc_xtoa): Move to io/write.c.
+	* runtime/string.c (gfc_itoa): Take an unsigned argument,
+	remove the handling of negative values.
+
 2021-12-22  Francois-Xavier Coudert  <fxcoudert@gmail.com>
 
 	* kinds-override.h: Move GFC_REAL_16_IS_* macros...