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1 files changed, 9 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index d5e27c0272..b35c673952 100644
--- a/NEWS
+++ b/NEWS
@@ -43,6 +43,15 @@ Major new features:
   on thread stack created by pthread_create or memory allocated by
   malloc).
 
+* The <stdbit.h> header has been added from ISO C2X, with
+  stdc_leading_zeros, stdc_leading_ones, stdc_trailing_zeros,
+  stdc_trailing_ones, stdc_first_leading_zero, stdc_first_leading_one,
+  stdc_first_trailing_zero, stdc_first_trailing_one, stdc_count_zeros,
+  stdc_count_ones, stdc_has_single_bit, stdc_bit_width, stdc_bit_floor
+  and stdc_bit_ceil function families, each having functions for
+  unsigned char, unsigned short, unsigned int, unsigned long int and
+  unsigned long long int, and a type-generic macro.
+
 Deprecated and removed features, and other changes affecting compatibility:
 
 * The ldconfig program now skips file names containing ';' or ending in