Developer shelves TabVault browser tab manager after waitlist gets zero sign-ups

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A developer put up a one-page waitlist for TabVault, a browser tab manager, promising to build it only if 20 people registered by November 8, 2026. On that deadline the count stood at zero, so the developer closed the page and shelved the project. The developer says the result shows the idea is unvalidated rather than rejected, since the page received no traffic and was never promoted. The episode led to a rule of setting public thresholds and deadlines before launching any future validation test. Two other product ideas are being tested under the same closing rule.

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