Policy changelog
This page tracks when major policy documents change and provides a stable place to review prior versions or summaries of material updates.
June 20, 2026
Updated policy pages to describe optional NFC tag sharing, physical tag access considerations, NFC viewer sessions, app-local audience identity, cookies, retention, and related third-party platform services.
April 6, 2026
Updated public legal and support pages to describe Stacks as a sharing-focused product and removed outdated collaboration-specific wording from the current hosted documents.
March 29, 2026
Updated Terms of Use language to clarify that Stacks may apply free-tier product limits, including a cap on how many messages or stacks a free account can create before an upgrade is required.
Initial launch version
At initial launch, this changelog can include the first public versions of the following documents:
- Privacy Policy v1
- Terms of Use v1
- Data Deletion and Retention v1
- Support and Contact v1
- Community Guidelines v1
Additional entries
This changelog also tracks supporting documents, including Children and Age, AI Feature Disclosure, Third-Party Services Disclosure, Copyright and DMCA Policy, and other legal pages published by Stacks.