This file records noteworthy changes.
-1.7.0 (TDB)
+1.7.2 (10 January 2017)
+* Fix memory leak in operators returning relationals, introduced in 1.7.0.
+* Make macro GINAC_DECLARE_REGISTERED_CLASS() work outside namespace GiNaC.
+* Fix some build issues.
+
+1.7.1 (2 October 2016)
+* Fix crash in basic::subs(), visible in classes which don't override it.
+* Fix convergence failure in Li_projection.
+* Fix cliffor_bar() and clifford_star().
+* Improve performance of clifford_to_lst().
+* Fix compilation issues, reduce compiler warnings.
+
+1.7.0 (30 April 2016)
* Make use of C++11 features:
- Use new language features 'auto', 'nullptr', 'constexpr', range-based for
loops, the contextual keyword 'override', static 'noexcept' operator, etc.