# Argo CD v2.1.0 — Release & Upgrade Intelligence
- **Product:** Argo CD (https://argo-cd.readthedocs.io)
- **Version:** v2.1.0
- **Released:** Aug 20, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/argocd/updates/v2.1.0/

## Executive Summary (TL;DR)
Argo CD v2.1.0. Source highlight: kubectl create namespace argocd

## New Features
- The synchronization process became much much faster and requires significantly less memory.
- An additional caching that ensures that each repository's target revisions are queried only once per
- Improved Diffing Customizations: use JQ path expressions to exclude required fields from the diffing.
- Health assessment support for new CRDs: introduced health assessment of CRDs from trident.netapp.io,
- feat: add 'argocd-util cluster shards' command that prints shards statistics (#6353)
- feat: add custom resource health checks for trident.netapp.io/TridentOrchestrator and trident.netapp.io/TridentBackendConfig (Closes [ISSUE #6550]) (#6552)

## Improvements
- Simplified Repository Registration: you no longer need to modify the argocd-cm ConfigMap to register a
- Enhanced Resource Customizations: the resource.customizations key has been deprecated in favor of
- Reference secret values from any Kubernetes secret: starting v2.1 you can use sensitive data stored in
- Simplify parametrization of Argo CD server processes: an additional optional ConfigMap argocd-cmd-params-cm
- Enhanced and more consistent filters on Applications List and Applications Details pages.

## Bug Fixes
- feat: Add Redis SSL support. Fixes #4688 (#6742)
- feat(ui): Adds resource filter panel. Fixes #6379 #6331 #6081 (#6717)
- fix: [#5462] ArgoCD UI External links dropdown caret positioned incorrectly in list view (#6668)
- fix: add client side retry to prevent 'transport is closing' errors (#6402)
- fix: add generate bearer token option to `argocd-util cluster generate-spec` (#6317)
- fix: add insecure-skip-tls-verify on helm pull when Creds.InsecureSkipVerify is set to true (#6458)