---
layout: docs
page_title: Upgrading to Vault 1.2.1 - Guides
description: |-
  This page contains the list of deprecations and important or breaking changes
  for Vault 1.2.1. Please read it carefully.
---

# Overview

This page contains the list of deprecations and important or breaking changes
for Vault 1.2.1 compared to 1.2.0. Please read it carefully.

## Known Issues

### AppRole Upgrade Issue

Vault 1.2.1 contains a known issue where an existing AppRole role
may not be read or updated under a specific scenario. The role in
question needs to have been created before Vault 1.0.0, and then updated
between 1.0.0 and 1.1.5. If using AppRole, do not upgrade to until
his issue is fixed in 1.2.2.