---
title: "0.4.2"
url: "https://www.cypress.io/releases/0-4-2"
description: "Bugfixes: Remove accidental debugger left in uncaught overloads (used only in Dev). Prevent memory leak with Cypress helper listeners on every re-run of the…"
---

# 0.4.2

ReleasedReleased on April 8, 2015

**Bugfixes:**

-   Remove accidental `debugger` left in `uncaught` overloads (used only in Dev).
    
-   Prevent memory leak with Cypress helper listeners on every re-run of the tests.
    
-   Prevent memory leak with custom 3rd party Cypress listeners in spec windows on every re-run of the tests.
    
-   Prevent error from being thrown when `.only`'s are switched in between active test runs.