In the context of a message stating, "Shadow play Twitch: Your browser is not currently supported. Please use a recommended browser or learn more here," what does this message imply?

a) The browser is unsupported due to a lack of security features.
b) Twitch recommends using a different browser for better performance.
c) Shadow play is not compatible with any browser.
d) The browser being used is outdated or incompatible.