v0.2.13

What's Changed

• Fix a race that could cause calls between participants to fail (matrix-org/matrix-js-sdk#2662)
• Don't kill other sessions when running as a widget (#575)
• Unpersist widget after hanging up (#576)
• Fix logout (#577)
• Fix possible exception when muting (matrix-org/matrix-js-sdk#2667)

Full Changelog: v0.2.12...v0.2.13