Add-ons and themes break on new WHMCS releases
WHMCS add-ons and themes stop working on newer WHMCS releases when their vendors stop shipping compatible updates
Tier I · Proven The best-established problems.
8 public reports · first reported 26 February 2019 · last reported 14 November 2025
What's going wrong
Hosting companies running third-party WHMCS add-ons and themes report that products stop working after WHMCS ships a new release.
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 8 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.