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@patternfly/pfe-core major

Enable connectedCallback() and context protocol in SSR scenarios.

BREAKING CHANGE This change affects any element which is expected to execute in node JS when lit-ssr shims are present. By enabling the connectedCallback() to execute server side. Elements must ensure that their connectedCallbacks do not try to access the DOM.

Before:

connectedCallback() {
  super.connectedCallback();
  this.items = [...this.querySelectorAll('my-item')];
}

After:

connectedCallback() {
  super.connectedCallback();
  if (!isServer) {
    this.items = isServer ? [] : [...this.querySelectorAll('my-item')];
  }
}