The Version That Is Always Right
Whichever one the operator is currently distributing through a store or from its own domain. It receives fixes, it matches the payment integrations in use, and its signature is the developer's. Every argument for an older build resolves either to a compatibility problem worth solving another way, or to a preference the browser version satisfies for free.
The one legitimate use for an old release is comparison. If a new build suddenly requests accessibility access and the previous one did not, that is worth noticing — and the correct response is to stop using the app, not to install the older package.
Where the Numbers in Search Terms Come From
Aggregator pages, almost entirely. They append years and words like latest to keep listings looking fresh, which produces search terms that no official channel uses and that point at files nobody maintains.
How to check what you are actually downloading is on the download page, and the full guide list is on the home page.