Hi Jingdong, We are not aware of this problem… can you use menu: Help… Report a Bug (which would also send us information about your computer)? We would like to figure out what is happening. Also if you click the “older releases” link in the download page, it will take you to this page listing the older releases: <http://www.rbvi.ucsf.edu/chimerax/older_releases.html> I hope this helps, Elaine ----- Elaine C. Meng, Ph.D. UCSF Chimera(X) team Department of Pharmaceutical Chemistry University of California, San Francisco

On Dec 21, 2018, at 2:05 AM, jingdong cheng <jingdongcheng@gmail.com> wrote:

Hello, Could you provide me the older version 0.7? I tried the new 0.8, it is good, fixed a lot of bugs, but it runs super slow slow. It is better to change back to 0.7, but on your website I can’t find it anymore. Cheers! Merry Christmas! Jingdong