# Cypress v4.5.0 — Release & Upgrade Intelligence
- **Product:** Cypress (https://www.cypress.io)
- **Version:** v4.5.0
- **Released:** Apr 28, 2020
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/cypress/updates/v4.5.0/

## Executive Summary (TL;DR)
Cypress v4.5.0. Source highlight: *Released 4/28/2020*

## New Features
- The update window in the Test Runner now encourages yarn users to `yarn upgrade` Cypress instead of `yarn add` to help prevent installing 2 versions of Cypress when using yarn workspaces. Addressed in #7101.

## Bug Fixes
- Custom Mocha reporters will now correctly use the version of Mocha bundled with Cypress. Fixes #3537 and #6984.
- We better account for word boundaries in application scripts when `modifyObstructiveCode` is `true`. Fixes #7138.
- Fixed an issue where iterators in TypeScript were not properly transpiled. Fixes #7098.