| ⇢ | A | Stencil_Abstract_Installable added | |
| ⇢ | A | Stencil_Installable_Plugin added | |
| ⇢ | A | Stencil_Installable_Theme added | |
| ⇢ | A | Stencil_Installable_Versions added | |
| ⇢ | A | Stencil_Installables added | |
| ⇢ | A | Stencil_Upgrader added |
| ⇢ | C | Stencil_Abstract_Installable::install() added | |
| ⇢ | B | Stencil_Installable_Versions::get() added | |
| ⇢ | A | Stencil_Upgrader::__construct() added | |
| ⇢ | A | Stencil_Upgrader::check_for_upgrades() added | |
| ⇢ | A | Stencil_Installable_Theme::get_file_data() added | |
| ⇢ | A | Stencil_Upgrader::save_upgrade_information() added | |
| ⇢ | A | Stencil_Abstract_Installable::cancel_installer() added | |
| ⇢ | A | Stencil_Installable_Theme::get_upgrader() added | |
| ⇢ | A | Stencil_File_System::move() added | |
| ⇢ | A | Stencil_Installables::__construct() added | |
| ⋮ | view more | ||
| C | ↘ | D | Stencil_Config::option_implementations() got worse |
| A | ↘ | B | Stencil_Config::option_themes() got worse |
| A | ↛ | Stencil_Config::install_theme() removed | |
| A | ↛ | Stencil_Config::install_plugin() removed | |
| A | ↛ | Stencil_Config::get_theme_download_link() removed | |
| A | ↛ | Stencil_Config::get_plugin_download_link() removed | |