Changes in libsoup from 2.56.0 to 2.57.1: * Added SoupWebsocketConnection:keepalive-interval, to make a connection send regular pings. [#773253, Ignacio Casal Quinteiro] * Added soup_auth_manager_clear_cached_credentials() and SOUP_MESSAGE_DO_NOT_USE_AUTH_CACHE, to allow greater control over the use of cached HTTP auth credentials. [#774031, #774033, Carlos Garcia Campos] * Fixed the use of SoupSession:proxy-uri values containing passwords. [#772932, Jonathan Lebon] * Various minor WebSocket fixes [Ignacio Casal Quinteiro]: * Avoid sending data after we start closing the connection [#774957] * Do not log a critical if the peer sends an invalid close status code * Log a debug message when a "pong" is received * Fixed introspection of soup_message_headers_get_content_range() [Jasper St. Pierre] * Replaced Vala [Deprecated] annotations with [Version] to avoid build warnings [#773177, Evan Nemerson] * MSVC build improvements (Chun-wei Fan) * Updated error/message strings to use Unicode punctuation. [#772217, Piotr Drąg] * Updated translations: Czech, Friulian, German, Hebrew, Hungarian, Norwegian bokmål, Polish, Swedish