VaultWiki 4.1.3 is now available for licensed customers. This version is a maintenance release with roughly 150 bug fixes and style tweaks.
VaultWiki 4.1.3 adds support for wiki attachments to set the WEBP extension as an image type, if PHP has been compiled with WEBP support. In addition, if support is available, WEBP will be the preferred format for image thumbnails.
For a list of more changes in this release, please see Changelog for 4.1.3. If you are a style or language pack maintainer, please check here for changes which may affect you.