Rework iOS AudioUnit in order to use a MSWorkerThread rather than a dispatch_async(). This fixes crashes due to mutiple threads possibly running into AudioUnitStart() in rare conditions.

    core in order to keep the backward compatibility.

    The SDK now stores the addresses of the conference without the gr
    parameter as it will negatively affect the high availability capability
    of a server and it will make it dependent on keeping the same gr all the
    time. Therefore clients might be lead to call the conference without
    specifying the gr parameter in the To field of the INVITE.
    If a conference address was stored with the gr parameter, the core would
    not be able to find it as it compares strings and not Address objects

chatroom from conferences.
Add methods in the public API to allow application to search only
conference informations with a given capability

Create event handler if not already done when exhuming the chatroom

Avoid changing SSRC of main stream if not needed when changing layout

Updated msAAudio to prevent crash on Android + updated msAndroidCamera2 to add missing compilation flags

Updated liblinphone to filter out duplicates in Friend & fix getAddresses() not returning the full list if addresses where added outside of edit()/done()

Updated mediastreamer2 to prevent leaving DnD mode on Android when an incoming early media call is received

Do not block in linphone_core_iterate() while the are unregistrations to perform after calling linphone_core_stop_async().
Fix nuget package README.md.
Fix memory leak in bctoolbox's logging feature.

    Add account getter to the Conference and ChatRoom in order to make the best effort to associated an account to a conference should it not have been already done

  Manually specify the configuration the doc has been generated for
  Set intialized flag to false when disconnecting database