The word "coincidental" means that something happens by chance or happens at the same time as something else, but it is not planned or related. Full definition
That is, assuming it actually makes an appearance at the show and that the timing of this move isn't purely coincidental. (gamingbolt.com)
Not only do they tend to also favor less recent content, but they both have a strong focus on searchability (this is not entirely coincidental). (entrepreneur.com)
If that was just coincidental timing, did the other five stop the shooter? (thewrap.com)