Version history for TTreeList shows you how often it was updated over the past months (starting Feb 11, 2009) as well as 'what is new' information for each update (if available, since this information provided by the author).
v 188.8.131.52 updated on Mar 30, 2015
Fixed : Issue with handling OnCustomDrawItem()
v 184.108.40.206 updated on Dec 05, 2014
Fixed : Issue with treeline drawing when DoubleBuffered = true
v 220.127.116.11 updated on Jun 03, 2010
Fixed : issue with persisting OnHeaderSizeChanged event
v 18.104.22.168 updated on Mar 09, 2010
Fixed : issue with setting header visibility false
v 22.214.171.124 updated on Nov 18, 2009
Fixed : issue with header painting during horizontal scroll
v 126.96.36.199 updated on Nov 03, 2009
Fixed : issue with creating Treelist at runtime. Fixed : issue with painting & scrolling.
v v188.8.131.52 updated on Feb 11, 2009
Go back to the TTreeList review