1.12-alpha

• enable some WordPress template tags in Twig Templates: is_archive(), is_post_type_archive(), is_attachment(), is_tax(), is_date(), is_day(), is_feed(), is_comment_feed(), is_front_page(), is_home(), is_month(), is_page(), is_paged(), is_preview(), is_search(), is_single(), is_singular(), is_time(), is_year(), is_404(), is_main_query()
• enable episode filtering by category slug: podcast.episodes({category: "kitten"})
• redesigned template editor interface
• fix feed cache issue which lead to enclosure URL mixups
• display PHP deprecation warning aggressively for everyone below 5.4