This file records noteworthy changes.
+1.8.0 (14 October 2020)
+* New routines for the numerical evaluation of iterated integrals like
+ elliptic multiple polylogarithms or iterated integrals of modular forms.
+* Stronger normalization methods for expressions with powers. Where this
+ is safe, GiNaC now tries replacing various kinds of powers in order to
+ find and cancel common subexpressions.
+* Improved CMake build.
+
+1.7.11 (3 August 2020)
+* Fix elusive bugs in factor() and in expand().
+
+1.7.10 (28 June 2020)
+* Fix collect_common_factors() for hidden zero arguments.
+* Fix build on modern systems (C++20 and Python3).
+
+1.7.9 (11 April 2020)
+* Fix unarchiving of overloaded functions.
+* Fix MinGW64 build.
+
1.7.8 (7 October 2019)
* Fix pseries::evalf(), broken since 1.7.0.
* Fix a corner-case bug in H_evalf().