PR 91: Merge release-1.0.1 to master #15071

 - Make several changes regarding version #15071
 - Check version where not generated #15071
 - Remove 'beta' from supported platforms #15071
 - Refine supported list #15071

Related work items: #15071

No space in "straightforward"

This commit corresponds to master (9e68a47) as of the original fork.

The hash changed during the rewrite of history (see tag:
fix-corrupt-commit).

The details (name/email/date) of this commit were corrupt in the

upstream fork (according to git fsck). We fixed it via filter-branch,
rewriting subsequent history. The original commit ID (for this commit)
was 509591f.