Wireshark released updates for version 1 and 2 which fixed several bugs and vulnerabilities. There were no new features added to either version. You can view the updates for version 1 here and version 2 here.

[1] https://www.wireshark.org/docs/relnotes/wireshark-1.12.10.html
[2] https://www.wireshark.org/docs/relnotes/wireshark-2.0.2.html
[3] https://www.wireshark.org/download.html

-----------
Guy Bruneau IPSS Inc.
Twitter: GuyBruneau
gbruneau at isc dot sans dot edu