Does Mozilla support Classilla or Clecko?
No, and it is highly unlikely they will ever support OS 9 at all again given the niche user base. For this reason, you should not ask Mozilla for support of Classilla/Clecko, nor should you file Bugzilla entries about bugs in Classilla. If there is a specific issue that merits Bugzilla notation, let the Classilla project leads determine that on your behalf.
No, and Mozilla has no plans to support Mac OS 9 again given the niche user base. For this reason, you should not ask Mozilla for support of Classilla/Clecko, nor should you file Bugzilla entries about bugs in Classilla. If there is a specific issue that merits Bugzilla notation, let the Classilla project leads determine that on your behalf.