# Cypress v4.4.0 — Release & Upgrade Intelligence
- **Product:** Cypress (https://www.cypress.io)
- **Version:** v4.4.0
- **Released:** Apr 13, 2020
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/cypress/updates/v4.4.0/

## Executive Summary (TL;DR)
Cypress v4.4.0. Source highlight: *Released 4/13/2020*

## Bug Fixes
- We fixed an issue where Cypress could crash with a `This socket has been ended by the other party` error when testing applications that make use of WebSockets. Fixes #6458.
- Uncaught errors thrown from within application or test code now display their proper stack trace. Fixes #6964.
- Assertion errors now include a stack trace that includes the calling code. Fixes #6969.
- We now clone the `options` object passed into Cypress commands so that they're not mutated and receive the proper `options`. Fixes #3171.
- We fixed an issue where invalid `Set-Cookie` values could cause requests to fail with a `cannot read property key of undefined` error. Now, invalid `Set-Cookie` values will be ignored. Fixes #6890.