X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=NEWS;h=c8220f42de4429b1405336a775292a4de6011236;hb=cc308418b3e239e05a7f1f0f6cfc5919672fccfd;hp=c9399c3c14c42b8b8342152a5e00feb5d37c51b2;hpb=cfdc2c31088bb196426dd071de5181248df2e160;p=ginac.git

diff --git a/NEWS b/NEWS
index c9399c3c..c8220f42 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,19 @@
 This file records noteworthy changes.
 
+1.6.5 (27 July 2015)
+* Fix pow(+(...),2).expand() where the sum contained roots of expressions.
+* Speed-up pow(+(...),n).expand() where n > 3.
+* Fix a crash in PolyLogs of rational numbers.
+
+1.6.4 (8 May 2015)
+* Fix pow(+(...),2).expand() where the sum contained roots of rationals.
+* Various improvements for info(info_flags::nonnegative).
+* Make power::expand() (x*p)^c -> x^c * p^c, if p>0.
+* Fix normal() where nested functions occur multiple times.
+* Add optional explicit derivatives to functions and use it in abs(),
+  imag_part(), real_part().
+* Evaluate abs(z)^(2n) -> z^n * conjugate(z)^n.
+
 1.6.3 (27 November 2014)
 * New expand_options::expand_transcendental. GiNaC will apply additional
   rules when expanding expressions if this option is specified, i.e.