Well, maybe this is just me, but it looks like ion-slides don’t work anymore with ionic serve in Chrome DevTools after upgrading to ionic-angular v3.3.0. The pager buttons are gone, and swiping between slides has no effect.
They still do seem to work in Chrome when DevTools are not enabled, or when running as an app on an Android device. I didn’t notice anything like this with ionic-angular v3.2.0.
Are you using chrome’s user agent switcher?
Update: This only seems to be an issue with device emulation in Chrome (which I normally used, hence I didn’t notice first).
I noticed an earlier “slide” issue with Chrome DevTools: https://github.com/driftyco/ionic/issues/6958
So if anybody can confirm this, it may warrant a bug report, I guess.