Medium — change history

2026-06-17 Privacy Policy shift +2 e21d710

Expanded sharing to allow vendors to train and improve technology (including machine learning) and to scan/analyze your content, messages, AI interactions, and metadata.

added: use of personal information to train/test/improve technology including machine learning added: scanning, analysis, and review of content/messages/AI interactions and metadata by vendors expanded: clarified shared data scope for vendor processing clarified: sharing tied to information you submit or post through the service

2026-05-13 Terms of Service shift +1 2d28221

Medium broadened the personal-information warranty to cover any information you provide, not just data provided as a Newsletter Editor.

expanded: warranty applies to all personal information you provide removed: example limiting the clause to Newsletter Editor data clarified: still requires lawful collection, notices, and consents

2026-05-08 Privacy Policy shift +1 9874279

Added a contact-import feature that hashes and matches device address book data to find people you know on Medium, retaining encrypted identifiers up to 30 days.

added: address book contact processing added: encrypted, non-reversible matching against member database added: deletion of non-member identifiers immediately after checking added: retention limit of all encrypted identifiers to 30 days moved: inbox signup language into a new contact-discovery section

2026-04-21 Privacy Policy shift +1 a8e59c4

Medium replaced an error page with a detailed privacy policy describing broad data collection, sharing, international transfers, and user rights under California and European laws.

added: categories of personal data collected, including activity, device, transaction, and inferred data added: sharing with vendors, affiliates, advisors, legal authorities, and in corporate transactions added: international data transfers and third-party embeds may send data to external hosts added: user rights and choices for account data, cookies, communications, CCPA, and European privacy laws

2026-04-20 Terms of Service shift 0 fb6ddb1

No substantive change.

added: promotional heading about receiving stories by email added: invitation to join Medium for free for writer updates clarified: no terms, rights, fees, or dispute provisions changed