Describe changes for #1667 (Legacy FrameMaker index support)
Describe changes for #1186 (Notices use preface static content)
Describe changes for #1188 (Transtype-independent L10N)
Describe changes for #1310 (Handle missing @format for submaps)
Describe changes for #1508 (Bundle DTDs & schemas as plugins)
Describe changes for #1672 (Faster PDF output)
Describe changes for #1674 (HTML5 cover page ToC)
Describe changes for #1695 (figdesc shares ¶ w/ title)
Describe changes for #1714 (Merge maplink & move-links)