Does Slack ever refer to the new logo as an octothorpe? If you read their blog post, they say the old one is an octothorpe, but I don't think they apply any sha

Does Slack ever refer to the new logo as an octothorpe? If you read their blog post, they say the old one is an octothorpe, but I don't think they apply any shape name to their new logo. I think it might just be that the author of this article misread/misunderstood Slack's post and didn't know what an octothorpe was.