SOPE 4.5.7 is the seventh official trunk snapshot (alpha) of the upcoming SOPE 4.6.
Besides a few bugfixes to SOPE 4.5.6 a lot of work was done on the WebDAV support. WebDAV lock support was improved, additional properties got mapped and support for WebDAV REPORTs was improved. The authentication module now supports the login mechanism used by the Google GData API.
Please check the changes file for details.
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