Thank you for your interest in testings. The accounts are now switched, so you should see meetings related functions. On the scenes list there is a new ‘people’ icon that creates a meetings:
And the meetings tab allows to see created meetings, get links to them and delete them:
A meeting works until it is deleted. You can have several separate meetings for the same scene. The last material picker configuration is saved within a meeting. If for example you open a meeting after your client, you will see the last material picker choice of the client.