npm / react-server-dom-parcel
react-server-dom-parcel
What changed in react-server-dom-parcel 19, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-28.
7 security1 new APIs and options2 behavior and defaults2 fixes and other
See which of these apply to your code, ranked, in your agent:
npx @unstale/cli initreact-server-dom-parcel 1912 changes
Security 7
Facebook React has a Denial of Service Vulnerability in React Server Components
React Server Components have a Denial of Service Vulnerability
React Server Components have multiple Denial of Service Vulnerabilities
Denial of Service Vulnerability in React Server Components
Denial of Service Vulnerability in React Server Components
Source Code Exposure Vulnerability in React Server Components
React Server Components are Vulnerable to RCE
New APIs and options 1
Adds an option to the Flight Client to allow partial streams.
Behavior and default changes 2
Server Components can now render context providers from client modules.
Flight now transports Error.cause, allowing the cause to be preserved across serialization.
Fixes and other changes 2
Flight now transports AggregateError.errors across serialization.
Fixed missing FormData entries in Server Actions, a regression in 19.2.6.