New features:

• Cover images are cached when using gdrive storage and local storage
• Kobo sync now uses calibre-web generated thumbnails as cover pictures
• Pagination button disapear in standard theme once infinite scroll is triggered
• Added "None" to list of file formats, tags, series, languages
• Extract publishing date, identifier from epubs after upload
• Added basic themes to epub reader
• Allow "@" in imported ldap usernames
• Allow sending epub files to amazon kindle

Bug Fixes:

• Read status checkbox works again for custom columns
• Character '\u200d' is removed from end of email address and no longer causes an error on send emails
• Gevent log output is redirected to log file and no longer stops Calibre-web on Windows
• custom column of type "Text, but with a fixed set of permitted values" with default color no longer leads to error 500
• Permission problems while accessing the robots file are now handled better
• Fix for missing "query" entry in flask_session
• Handle empty response from lubimyczytac metadata provider
• Fix cover upload url with spaces at the end
• Support image/jpg as upload format
• Prevent "none" comment from uploaded pdf documents
• Prevent converting of kepubs on every new user