Open conference system is one of popular software for creating conference site which developed by PKP project has announced the OCS 2.3.4 released
Excerpt from the PKP site
OCS 2.3.4 includes 90+ bug fixes since OCS 2.3.3-1 and is intended as a stable upgrade or install.
A list of important bug fixes included in this release may be found here:
Please see the release notes for a full listing of all bugs fixed in this release:
OCS 2.3.4 can be downloaded via the main OCS download page: