Issue #2521574 by joachim, Dave Reid: When using Features and Strongarm, export XML sitemap variables along with node types, taxonomy vocabularies, and menus

Issue #1968744 by Dave Reid: Fixed xmlsitemap.xmlsitemap.inc not always included due to incorrect use of module_load_all_includes().

Issue #2417021 by Dave Reid: Fixed empty elapsed time in drush xmlsitemap-regenerate or xmlsitemap-rebuild.

Issue #2416897 by Dave Reid: Allow disabling output of lastmod, changefreq, and priority in <loc> elements.

Issue #2367513 by das-peter: Fixed xmlsitemap_menu_entity_info() did not add integration data if the Entity Menu Links module is enabled.

Issue #2378467 by deviantintegral, robcolburn: Fixed hook_url_outbound_alter() is not called when generating the sitemap.

Issue #2244449 by Chris Burge, Dave Reid, philsward, ecvandenberg: Use Protocol-less URL for XSL File

Issue #2387557 by Dave Reid: Support more advanced XML element output using format_xml_elements() within XMLSitemapWriter::writeElement().

Issue #2387331 by Dave Reid: Make it possible to disable cron regeneration of sitemaps and only use drush xmlsitemap-regenerate.

Issue #2186239 by codeamatic, samhain: Fixed possible ambiguous language column error in xmlsitemap_i18n_query_xmlsitemap_generate_alter().

Issue #1370474 by carinadigital, chadedge, Dave Reid, Jon Nunan, udhayykumar@gmail.com, eojthebrave: Added new hooks for altering alter generated link elements and root XML attributes.

Issue #2387341 by Dave Reid: Allow for additional context to be passed through xmlsitemap_link_save()

Issue #2220707 by coredumperror, devkinetic, s-robertson | danmurf: Removed filesize() check on generated file that causes unnecessary exception since the file might not actually be written to yet.

Issue #2223911 by Grimreaper, justanothermark, Shawn DeArmond | joachim: Fixed the 'menu_link' entity type added by xmlsitemap_menu_entity_info_alter() does not get a 'token type' value since it runs after token_entity_info_alter().

Added additional failure checks for startDocument() return value, and empty filesize() on endDocument().

Issue #1435264 by mgriego, gordon, Carsten Müller, rooby | FanisTsiros: Removed the XMLSitemapWriter::flush method which causes unnecessary XMLSitemapGenerationException exceptions

Issue #2065559 by mikeryan: Use drupal_static() in xmlsitemap_node_get_timestamps() to help prevent excessive memory use when bulk creating/updating nodes.

Issue #1392710 by Dave Reid, antoniogr, johan gant: Ensure all modulename.xmlsitemap.inc files are loaded in xmlsitemap_settings_form().