--- a/README	Thu May 14 11:23:40 2015 -0700
+++ b/README	Tue May 19 00:47:00 2015 -0500
@@ -59,6 +59,7 @@
 - fix some possible crash during command abort (release non-existant transaction)
 - fix simple4server bug tracker URL
 - compatibility with bookmark API change in future Mercurial 3.5
+- prune no longer move the active bookmark for no reason (issue4559)
 
 5.1.4 -- 2015-04-23