About TortoiseHg: "You can visit our site here" link transforms into download link
Help -> About TortoiseHg bring up the About dialog, which has a link titled "You can visit our site here". This link transforms into a "A new version of TortoiseHg (x.y.z) is available for download!" when a new version is indeed available after a few seconds, when TortoiseHg completes its update check.
This means a user may click the link to visit the website and end up actually downloading a new version if the timing is wrong. Moreover, this removes the convenience of the link to visit the website when TortoiseHg is not up-to-date. Yet, visiting the website is particularly useful when a new version is available to access release notes and determine whether an upgrade is relevant.