On Sunday, August 23, 2020 we will release MIT App Inventor Release nb184a. This is a non-component release so there is no new Companion.
Later in the week we anticipate releasing version nb185, which will be a Component Release which will have a new Companion, version 2.60.
You can read the details on our website at https://appinventor.mit.edu/ai2/upcomingrelease