I haven't seen any activity in the last 6 months or so.
It certainly is. If you're interested in following the active development, the best place to do so is GitLab:
You could, for instance, star the repos of your interest.
An iOS update will be coming shortly:
lhunath Thanks for your response.
As an Android user, I will be observing this project with interest, and waiting for the release of an Android app. Best regards!
In the interim, the https://spectre.pw site works well on Android devices.
What is dead may never die!
Still here, still an avid Master Password user, still patiently waiting for the day I can use (and pay for!) Spectre.
You've got something special here, keep it up!