User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12 Build Identifier: version 2.0.0.12 (20080213) All of my RSS feed have property "Show articles summary instead of loading web page", this let me do not need open a web page to read a new. I export my RSS feeds from thunderbird, then I export it to thunderbird on another PC, it successful. But have a flaw is that it lost the property of "Show articles summary instead of loading web page". Reproducible: Always Steps to Reproduce: 1. 2. 3.