Can't say I'm really surprised. Spammers aside, activity has been slowly going down so the writing's been on the wall for a while. I'm more surprised there's an actual announcement concerning this.
Is the old forum (with all the CE code-tables) still going to be preserved? Regardless, the old forums are still up even if there's no longer a link to them anymore: archives/index.html
Backup whatever relevant data for yourself while you still can if you're paranoid.