JIRA Issue Bookmarklet

bookmarklet.js

javascript:(function() {
  "support old jira first";
  const descriptionElement = document.getElementById("description");
  if (descriptionElement) {
    descriptionElement.value = "*What*:\n\n*Why*:\n\n*What does success look like?*\n\n*Testing Notes*\n\n*Technical Notes/Hints*\n\n";
    return;
  }

  "support new jira issue view";
  const proseMirrorElement = document.getElementsByClassName("ProseMirror")[0];
  if (proseMirrorElement) {
    const evt = new ClipboardEvent("paste");
    evt.clipboardData.items.add("**What**: *The thing we're trying to do*\n\n**Why**: *what's the rationale for doing this? What is the motivating reason for this work?* \n\n**What does success look like?**\n- *What are all the technical items we need to address*\n\n**Testing Notes**\n- *What are the steps a tester needs to do to verify this change?*\n\n**Technical Notes/Hints**\n- *What contextual information would help drive the implementation?*\n\n", "text/plain");
    proseMirrorElement.dispatchEvent(evt);
    return;
  }

  alert("Unable to find a JIRA Issue Description on this page!");
})();

@ds-clearago -- I gave the script a try today on Firefox and it still works. The issue you're encountering might be Chrome specific