+2024-03-01 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-02-29 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/113960
+ * include/bits/stl_algobase.h (__is_byte_iter): Replace with ...
+ (__memcmp_ordered_with): New concept.
+ (lexicographical_compare_three_way): Use __memcmp_ordered_with
+ instead of __is_byte_iter. Use correct length for memcmp.
+ * testsuite/25_algorithms/lexicographical_compare_three_way/113960.cc:
+ New test.
+
+2024-03-01 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-02-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/appendix_contributing.xml: Change URLs to use
+ https.
+ * doc/html/manual/*: Regenerate.
+
+2024-03-01 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-02-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/appendix_contributing.xml: Replace outdated
+ info on ChangeLog entries.
+ * doc/html/manual/appendix_contributing.html: Regenerate.
+
+2024-03-01 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-11-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/tr2/dynamic_bitset (dynamic_bitset): Pass zero and one
+ characters to _M_copy_from_string.
+ * testsuite/tr2/dynamic_bitset/string.cc: New test.
+
+2024-03-01 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-11-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/charconv (__from_chars_pow2_base): Convert base to
+ unsigned for call to __countr_zero.
+ (__from_chars_alnum): Likewise for call to __bit_width.
+
+2024-03-01 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-11-23 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/util/testsuite_allocator.h (uneq_allocator): Fix
+ equality operator for heterogeneous comparisons.
+
+2024-03-01 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-02-28 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/114152
+ * include/experimental/scope (scope_exit scope_fail): Make
+ destructor unconditionally noexcept.
+ (scope_sucess): Fix noexcept-specifier.
+ * testsuite/experimental/scopeguard/114152.cc: New test.
+
2024-02-16 Paul Keir <paul.keir@uws.ac.uk>
Backported from master: