<p>Is it possible to install new packages with helm3 while helm2 is running in the cluster with tiller?</p>
<p>Any potential problems to packages installed with helm2?</p>

<p>I don't see a problem. Helm v2 talks to tiller, Helm v3 doesn't. Just basically keep:</p>
<ul>
<li>Every package managed with Helm v2 using Helm v2</li>
<li>Every package managed with Helm v3 managed with Helm v3</li>
</ul>
<p>Eventually, you will have to <a href="https://helm.sh/blog/migrate-from-helm-v2-to-helm-v3/" rel="nofollow noreferrer">migrate everything to Helm v3</a>. One thing is that if you install the latest Helm v3 the client executable will have the <code>helm</code> name. So you'd like to maybe rename the v2 client executable to helm2 and the v3 client executable to v3 to keep yourself from becoming confusing.</p>
