https://github.com/sendbird/sendbird-calls-javascript/releases/tag/1.6.1
1.6.1 (May 21, 2021 UTC)
• Bug fix
• Fixed the error and undefined behavior in recording feature.
• Now, DirectCall.startRecording() produces .webm file in Chrome and Firefox, .mp4 file in Safari.
• Fixed the noise when calling addDirectCallSound().
• Fixed the bug that sometimes the error message of authenticate() is blank.
