Should we still use LastPass? Is it still secure, or should we switch to 1Password or Dashlane?

I would say, albeit not for any strong reason, that sticking with LastPass is an ok choice to make. You need to realize there have been breaches with many password managers. Some have actually had these passwords decrypted and I do not believe this was the case for LastPass.

If you are very concerned about breaches, look for some offline solution like Keepass.