Changes in libsoup from 2.67.2 to 2.67.3: * WebSockets: allow sending empty binary data [Carlos Garcia Campos] * WebSockets: fail and load the connection on invalid payload length [Carlos Garcia Campos] * WebSockets: allow NULL characters in text messages data [Carlos Garcia Campos] * WebSockets: Close connection on wrongly masked/unmasked frame as per RFC [Carlos Garcia Campos] * WebSockets: other code fixes [Carlos Garcia Campos] * NTLM: Fix NTLMv2 authentication [Thibaut Robert] * SoupMessage: fix several deprecation warnings related to private data [Claudio Saavedra]