Do you know if migrating from Mattermost to Zulip is remotely possible? I had been using Mattermost because it's also (mostly) FOSS. However, they've recently

Do you know if migrating from Mattermost to Zulip is remotely possible? I had been using Mattermost because it's also (mostly) FOSS. However, they've recently been changing their released OSS edition to restrict capabilities... Unfortunately the org I maintain it for is having some issues with it now and I have metaphorical egg on my face.