If your software is not publicly accessible, it may be possible for you to continue running on 10+ year old dependencies indefinitely. For anyone else, other th

If your software is not publicly accessible, it may be possible for you to continue running on 10+ year old dependencies indefinitely. For anyone else, other than a hobbyist, it is just not practical. Otherwise, you are going to be influenced by external factors (security vulnerabilities, wanting to use a feature only available on a newer language version or OS, etc.) If you are a business, you'll also run into more practical concerns, like engineers not wanting to work on a mountain of technical debt.