The Java 8 runtime removed the sandbox restrictions. Most developers hated the restrictions. I highly doubt Microsoft would go down to the path of restrictions given the history in this space.
yeah I hated it. without it I can play with AppEngine once again, it is a really good platform but many restrictions were aweful.
The last thing which would be nice if the bits to call any appengine api from custom threads (currently I copy the environment to every custom thread I do, which needs a custom ThreadFactory).
The Java 8 runtime removed the sandbox restrictions. Most developers hated the restrictions. I highly doubt Microsoft would go down to the path of restrictions given the history in this space.