# Dataverse 4.5.1 now available! October 07, 2016 The main feature of this release is the restoration of the IP Groups functionality, which is an important step for several installations moving to Dataverse 4. Additional features include email verification, dynamic copyright in the page footer, and support for Piwik analytics. [\#700](https://github.com/IQSS/dataverse/issues/700) IP groups in Dataverse are a way to specify a certain IP address range so that permissions can be applied based on the user's location or the device used to access the application. This is useful for installations that want to allow traffic from certain networks. [\#2170](https://github.com/IQSS/dataverse/issues/2170) Email verification encourages new users to confirm their account email address. [\#2905](https://github.com/IQSS/dataverse/issues/2905) Dynamic copyright automatically keeps the copyright date current and allows installations to add information about their organization. [\#3018](https://github.com/IQSS/dataverse/issues/3018) Piwik support provides an alternative to Google Analytics, that supports local collection and hosting of usage metrics. Special thanks to Jeremy Richard from Sciences Po who contributed the Piwik support feature. You can [download the 4.5.1 release](https://github.com/IQSS/dataverse/releases/tag/v4.5.1) in Github. For the complete list of issues, see the [4.5.1 milestone](https://github.com/IQSS/dataverse/milestone/57?closed=1) in Github. For help with upgrading, installing, or general questions please email . See also:- [ Dataverse Releases ](/blog-types/dataverse-releases) Share on:- [ Facebook ](#) - [ Twitter ](#) - [ Linkedin ](#)