Editors hang or throw JavaScript errors after updates
Campaign and block-form editors hang on loading or throw JavaScript errors after plugin or WordPress updates.
Tier II · Emerging Problems that are still building up.
4 public reports · first reported 24 June 2022 · last reported 3 October 2026
What's going wrong
Owners who update Mailster report that the newsletter editor sometimes keeps loading for minutes without showing any content, and that block forms fail with script errors when opened.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 4 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.