diff --git a/doc/system/changes.adoc b/doc/system/changes.adoc index 513372e..422b421 100644 --- a/doc/system/changes.adoc +++ b/doc/system/changes.adoc @@ -8,6 +8,13 @@ https://www.boost.org/LICENSE_1_0.txt # Revision History :idprefix: +## Changes in Boost 1.81 + +* The macro `BOOST_SYSTEM_DISABLE_THREADS` can now be defined to disable + the use of `` (e.g. on single-threaded libstdc++). +* Added `value_type`, `error_type`, `in_place_value`, `in_place_error` + to `result<>`. + ## Changes in Boost 1.80 * When an `error_code` is converted to `std::error_code` and then back