Claude Appears to Add File Size Limits for In-Chat Downloads

Security researcher nptacek reports that Anthropic appears to have added file size limits for downloads in Claude chats, forcing large project files to be split. He warns that failing to notice the limit in time can mean losing key data once a session expires, as Claude struggles to know what gets persisted where.

2026-10-06 ~ 2026-10-06 · 2 related posts

• Claude Appears to Have Added File Size Limits for In-Chat Downloads — nptacek · 2026-10-06
• Follow-up: Claude Session Expiry Can Lose Critical Data Amid File Limits — nptacek · 2026-10-06