NGINX Ingress controller version: 1.0.0-beta.1

Kubernetes version (use kubectl version): Client Version: version.Info{Major:“1”, Minor:“20”, GitVersion:“v1.20.4”, GitCommit:“e87da0bd6e03ec3fea7933c4b5263d151aafd07c”, GitTreeState:“clean”, BuildDate:“2021-02-21T20:21:49Z”, GoVersion:“go1.15.8”, Compiler:“gc”, Platform:“darwin/amd64”} Server Version: version.Info{Major:“1”, Minor:“20”, GitVersion:“v1.20.4”, GitCommit:“e87da0bd6e03ec3fea7933c4b5263d151aafd07c”, GitTreeState:“clean”, BuildDate:“2021-02-18T16:03:00Z”, GoVersion:“go1.15.8”, Compiler:“gc”, Platform:“linux/amd64”}

Environment: Rancher / Linux

• Cloud provider or hardware configuration:
• OS (e.g. from /etc/os-release): NAME=“openSUSE Tumbleweed”

VERSION=“20210718”

• Kernel (e.g. uname -a): Linux docker03 5.13.2-1-default #1 SMP Thu Jul 15 03:36:02 UTC 2021 (89416ca) x86_64 x86_64 x86_64 GNU/Linux
• Install tools: helm
• Others:

What happened: NGINX Pod not started after upgrade chart to 4.0.0 Following error message is in log: NGINX Ingress controller unknown flag: --controller-class unknown flag: --controller-class (truncated usage stuff)

What you expected to happen: Pod to running.