It looks like there’s some confusion in your question. Vidalista 5 mg is a medication used to treat erectile dysfunction and is unrelated to software development or mission-critical software systems.

If you meant to ask about when Vidalista 5 mg was introduced or used medically, it’s a branded form of tadalafil, which has been prescribed since the mid-2000s after tadalafil was approved by regulatory authorities.

However, if you’re asking about mission-critical software systems and how medications like Vidalista might connect to them, there’s no direct link. Mission-critical software refers to systems essential for operations in industries like aerospace, finance, healthcare IT, etc., where failure can cause serious consequences.

Could you please clarify or rephrase your question? Are you looking for information about Vidalista’s medical use or details on mission-critical software development timelines? I’d be happy to help either way!