1.3

Added

• Adding the ability to index sitemaps by year by @bcampeau in #119

Fixed

• Fix if no posts exist, oldest year is set to 1970 by @mdbitz in #100
• Use c as the date format for lastmod by @mjangda in #101
• Escape loc URL by @mjangda in #103
• Requests for Sitemaps that don't exist return 404 error messages by @mdbitz in #105
• Make sure to only output unique dates by @pkevan in #115

Changed

• Filter added to posts_pre_query to bypass DB Call on sitemap render by @mdbitz in #106
• Optimize get_last_modified_posts query by @mjangda in #107

Maintenance

• Unit Test update to resolve run time and concerns with current logic by @mdbitz in #97
• Fix Travis by @mjangda in #120

New Contributors

• @mdbitz made their first contribution in #100
• @bcampeau made their first contribution in #119

Full Changelog: 1.2.1...1.3