1.27.1

Downloads:

• QuantLib-1.27.1.tar.gz
• QuantLib-1.27.1.zip

Changes for QuantLib 1.27.1:

QuantLib 1.27.1 is a bug-fix release.

It restores the old implementation of Null<T> which was replaced
in version 1.27 with a new one; the latter was reported to cause
an internal compiler error under Visual C++ 2022 for some client code.
The new version (which avoids some problems when replacing Real
with some AAD-enabled types) is still available; depending on how
you compile QuantLib, it can be enabled through the
--enable-null-as-functions configure flag, the cmake variable
QL_NULL_AS_FUNCTIONS, or the define with the same name in the
ql/userconfig.hpp header (@lballabio).

Full Changelog: QuantLib-v1.27...QuantLib-v1.27.1