⚠️ Breaking Change
Impact Score: 7/10
Cypress: 0.15.4
Source available — automated, not human-reviewed
Component: cypress · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
Breaking-change evidence from the source
Breaking Changes:** - You can no longer improperly use [.its()](https://on.cypress.io/its) and [.invoke()](https://on.cypress.io/invoke). Using [.invoke()](https://on.cypress.io/invoke) on a non function property will result in an error that tells you how to write it properly using [.its()](https://on.cypress.io/its).
⚡ Executive Summary (TL;DR)
Cypress v0.15.4. Source highlight: *Released 04/22/2016*
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
⚠️ Breaking Changes & Deprecations (1)
- Breaking Changes:** - You can no longer improperly use [.its()](https://on.cypress.io/its) and [.invoke()](https://on.cypress.io/invoke). Using [.invoke()](https://on.cypress.io/invoke) on a non function property will result in an error that tells you how to write it properly using [.its()](https://on.cypress.io/its).
✨ New Features & Capabilities (1)
- Added a new link to Options dropdown in Desktop app for "Chat" that goes to our chat.
⚡ Performance & Enhancements (2)
- Error messages and command messages for .its() and .invoke() have been improved.
- Better error handling of unauthorized users attempting to login to Cypress with improved Login documentation.
🔧 Bug Fixes & Patches (2)
- Using .its() on a function will now allow you to access its properties instead of automatically calling a function. Fixes #122.
- During `cypress run`, windows created with `window.open` will no longer physically display. They are now correctly headless. Fixes #123.
📄 View Raw Release Notes (Original Developer Log)
*Released 04/22/2016*
**Notes:**
- The docs have not yet been updated to reflect the changes to [.its()](https://on.cypress.io/its) and [.invoke()](https://on.cypress.io/invoke).
**Breaking Changes:**
- You can no longer improperly use [.its()](https://on.cypress.io/its) and [.invoke()](https://on.cypress.io/invoke). Using [.invoke()](https://on.cypress.io/invoke) on a non function property will result in an error that tells you how to write it properly using [.its()](https://on.cypress.io/its).
**Features:**
- Our [chat](https://gitter.im/cypress-io/cypress) has now been directly integrated into Cypress's nav. Clicking on the `chat` icon will immediately display the current gitter chat log.
- Added a new link to Options dropdown in Desktop app for "Chat" that goes to our [chat](https://gitter.im/cypress-io/cypress).
- [.its()](https://on.cypress.io/its) and [.invoke()](https://on.cypress.io/invoke) now support **dot separated** nested properties.
- Using [.its()](https://on.cypress.io/its) on a function will now allow you to access its properties instead of automatically calling a function. Fixes [#122](https://github.com/cypress-io/cypress/issues/122).
- Error messages and command messages for [.its()](https://on.cypress.io/its) and [.invoke()](https://on.cypress.io/invoke) have been improved.
- Adding an attribute called `data-cypress-ignore` to an element will prevent the internal Cypress proxy from rewriting any of its content or attributes.
**Bugfixes:**
- During `cypress run`, windows created with `window.open` will no longer physically display. They are now correctly headless. Fixes [#123](https://github.com/cypress-io/cypress/issues/123).
- The auto generated `example_spec.js` no longer errors on `cy.visit('app/index.html')` since that file would likely not locally exist.
**Misc:**
- Better error handling of unauthorized users attempting to login to Cypress with improved [Login documentation](https://on.cypress.io/installing-cypress).