2.8.1 is on the way (beta launch)

[grubba]

We have great news! On our way to a fibers-free MeteorJS, we have some new updates. We have launched 2.8.1-beta.0. You can check what is new on the pr.
We have a few highlights such as:

• Bump to Node v14.21.0 #12284 by StorytellerCZ
• Show port in restart message #12236 by harryadel
• Type definitions for core packages #12174 by piotrpospiech
• Updated MongoDB driver to 4.11 #12232 by radekmie
• Especifing error message when cross-boundary #12117 by Grubba27