posthog feat(early access feature): Features in `Concept` stage should not be matched as `true`

Problem

Closes https://github.com/PostHog/posthog/issues/39813

Changes

PS: This is still in draft, all tests has passed but I'm unable to test yet because the setting of property on a person is not working for me as of now.

@dmarticus feel free to take over or close this PR :)

How did you test this code?

👉 Stay up-to-date with PostHog coding conventions for a smoother review.

Changelog: (features only) Is this feature complete?

Oct 21 '25 07:10 lshaowei18

This PR hasn't seen activity in a week! Should it be merged, closed, or further worked on? If you want to keep it open, post a comment or remove the stale label – otherwise this will be closed in another week. If you want to permanentely keep it open, use the waiting label.

Oct 29 '25 07:10 posthog-bot

This PR hasn't seen activity in a week! Should it be merged, closed, or further worked on? If you want to keep it open, post a comment or remove the stale label – otherwise this will be closed in another week. If you want to permanentely keep it open, use the waiting label.

Nov 12 '25 07:11 posthog-bot

This PR was closed due to lack of activity. Feel free to reopen if it's still relevant.

Nov 19 '25 07:11 posthog-bot

This PR hasn't seen activity in a week! Should it be merged, closed, or further worked on? If you want to keep it open, post a comment or remove the stale label – otherwise this will be closed in another week. If you want to permanentely keep it open, use the waiting label.

Dec 10 '25 07:12 posthog-bot

This PR was closed due to lack of activity. Feel free to reopen if it's still relevant.

Dec 17 '25 07:12 github-actions[bot]