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Is anyone else experiencing serious financial and reporting issues after upgrading to WHMCS 9.0.0? I updated my system as soon as the final version was released, and since then the financial data no longer matches the reports (Monthly Transactions) or the dashboard widget on the home page. After the introduction of Debit Notes and Credit Notes, the entire financial system started behaving incorrectly. Here are some examples of what is happening: When a client pays late, the cron correctly generates the late fee. However, this amount is recorded as “Amount Out” in the financial reports, even though no money left the system. This is a charge to the client, not an expense. When an issued invoice is cancelled (either due to service cancellation or any other reason), the outstanding invoice balance is displayed as income for the day, despite the fact that no payment was made. When a client adds account credit and later uses that credit to pay an invoice, both values are recorded as income: the credit addition the invoice payment even though it is the same money. Since the implementation of these accounting notes, the financial data no longer reflects the real cash flow. I opened a support ticket and provided detailed explanations, screenshots, videos, and database examples for testing. The support team confirmed that this is a critical system defect. However, it has now been over one week since the ticket was opened, and there has been no fix, workaround, or technical update provided. If this issue is truly critical — and it clearly is — how can it remain unresolved after seven days? We are talking about a financial system, where the absolute minimum expectation is that: income is recorded as income expenses are recorded as expenses reports reflect the real cash flow At the moment, none of this is happening. I would like to know if other users are facing the same problems after upgrading to WHMCS 9.0.0, because in its current state it is practically impossible to operate the system without performing daily manual corrections directly in the database.

Hi John. Is there any further news on the ETA for this release?

Definitely disable autoupdates 😧

I never imagined that a simple update could introduce so many problems — and even worse, apparently without proper testing. It is absolutely ridiculous for a financial management system to have its own financial logic broken. In the last 24 hours, I finally received a response on the open support ticket, along with a so-called “patch” (attached). In practice, this patch only fixes the reports by hiding the incorrect ledger entries. However, in several other areas of the system, the incorrect postings are still happening. For example, the “Transactions” tab inside the client profile continues to show wrong values and misleading entries. So, in short, this patch does not actually fix the root problem — it only masks it in specific reports. For now, apply it if you want to slightly reduce the visible impact, but be aware that the financial logic is still broken in multiple parts of the system. At this point, we are seriously considering rolling back to a previous version — or even migrating away from WHMCS entirely. Year after year, the pricing increases exponentially, while the quality of support continues to decline and critical issues like this keep happening. The current level of instability and support simply does not justify the price they are charging anymore. whmcs_v9.0.0-supporthotfix.1_750a0b77ff.321_WHMCS-24949.zip

You may want to check in softaculous you may have the auto update turned on. Go into Softaculous find your install click on edit details auto upgrade select do not auto upgrade. With regards to 9.0 their will still be a lot of developers slightly behind. WHMCS didn't exactly give developers alot of notice with regards to the changes.

Whmcs doesn’t autoupdate - someone is initiating the update. You’re using addons that are not compatible- yet. Logos is not compatible Roll back and stay there till all your addons declare compatibility with v9.

Una buona notizia e' che il nostro team di sviluppatori sta attivamente lavorando per aggiungere la gestione di fatture elettroniche in una delle prossime release di WHMCS. In attesa di avere piu' dettagli nei prossimi mesi, non si hanno ancora tempistiche o specifiche. Certo e' che si potranno emettere fatture elettroniche in diversi formati, incluso Fattura PA. Per rimanere aggiornati potete sottoscrivere alla feature request corrispondente: https://requests.whmcs.com/idea/add-electronic-invoicing

Appreciate the clarification, that’s really helpful. Good to know the main pain points are deeper core and API changes rather than just the checkout UI, especially around billing logic like late fees and credits. That’s exactly the kind of thing that can quietly cause issues after an upgrade. I’ll definitely take a closer look at your practical notes and keep this in mind before moving to WHMCS 9.0.

Thanks a lot for the kind words! Based on our testing so far, the bigger challenges in WHMCS 9.0 aren't so much about the new checkout UI, but about changes deeper in the core. WHMCS updated core libraries and parts of their API, which means existing integrations often need to be adjusted. There are also changes in how late fees and credit payments work, and those can affect billing, including recurring charges. These are some of the areas where modules, both off the shelf and custom ones, may not behave as expected if not updated. We shared a more practical take on this here, based on our ongoing work with WHMCS 9.0. If you're running custom functionality and want to be sure everything works the way it should, feel free to contact our team. We'll gladly talk it through and help you understand what, if anything, needs adjusting.

Thanks for the detailed update! It’s great to see that ModulesGarden is moving quickly with WHMCS 9.0 compatibility, especially for modules like cPanel Extended and Proxmox VE. I’m curious have you noticed any specific issues or challenges when integrating custom-developed WHMCS modules with the new version, particularly around the updated checkout experience or recurring payments? It would be helpful to know what to watch out for before upgrading.

I have updated to WHMCS 9 In vendor files the folders was updated, but the folders not required anymore was not removed by the automatic update tool as when I compare WHMCS 8,13 and 9 they are removed. So remember to remove these manually people true sonata-project Facebook container-interop My questions why does the update process not clean and remove everything that is "old". What happend with the quality of the WHMCS releases .. .

Personally I wouldn't recommend using it for production. There's a few reports of issues since upgrading which is common with new versions. Better to wait a few weeks for any bugs to get fixed.

Hi @BENELUX, Work to implement our e-invoicing solution with direct integration with the Peppol network (BIS Billing 3.0) is in progress. We are currently in the final stages of polishing the integration and conducting rigorous testing. Given the critical importance of financial compliance, we are prioritising stability to ensure the solution is robust upon release in Q1 2026.

I’m honestly not convinced by these repeated price increases, especially when they happen without clear prior notice. I’m a small provider managing around 10–20 clients only, and with the latest increase, the subscription is becoming financially unjustifiable. At this scale, the cost is no longer proportional to the value received and is starting to feel more like a burden than a business tool. I understand that businesses evolve, but constant yearly increases without meaningful added value for small users come across as exploitation rather than progress. If this pricing strategy continues, I’m seriously considering moving away from the entire WebPros ecosystem, including WHM and WHMCS. At the very least, there should be better transparency, advance notifications, and fair pricing options for low-usage customers.

What I find somehow strange after being using WHMCS for 20 years.. when there was only 2-3 people in the company... bugs was fixed quickly often the same day. Now that I have a list of bugs reported many of them with 1 min solutions to implement, and they still doesnt get implement in X versions of whmcs 8x and still not fixed in WHMCS 9. So I dont know if being a large owned company is always a good thing. Just in December alone me and other people I work with found 3 new bugs of things that has been working since whmcs 5 and suddenly not working and per documentation should work.. I am actually concerned that the developing department / team doesnt have good working structure as they introduce bugs that should not be there that has been working for years. This make us need to use more time on testing before each upgrade and time testing is also a huge cost.. whmcs. should going forward be better in quality and also fixe the backlogs of bugs.

Hi @kon, I'm pleased to hear you like the direction we're going with Nexus cart! We're going to continue with this work in 9.1 and bring this same design language to the rest of the purchase flow. The RDAP implementation has been rescheduled to v9.2. This is because we have prioritised security and financial compliance features in releasing 9.0 and will continue this focus in the subsequent 9.1 (eg. credit notes, e-invoicing, improved VAT compliance).

I am simply expressing my feedback. The price rise is unjust, I feel. Now, in the Australian dollar it is now $52 /mo What exactly has been done to the software that justifies the price increase?

While I understand that bugs are part of any Release Candidate cycle, it's concerning that we are still discussing basic optimization issues like proper OPcache support. And let's not even get started on the fact that we still don't have 100% native Nginx support. This becomes particularly ironic with the introduction of the new WHMCS Cloud Solution. With cloud hosting, the resource costs are on their side, so you'd think they'd be rushing to support Nginx to reduce their own infrastructure expenses. It's like being sold a high-performance engine but being told you have to power it with hamster wheels. Maybe once their bills start rolling in, Nginx support will suddenly become a priority. This all points to the bigger issue: the development velocity. Core development feels like it's just about "keeping the lights on" (PHP/ionCube updates) rather than actual innovation. This stagnation has allowed third-party developers like ModulesGarden to build entire businesses by selling us functionality that should have been in the core a decade ago. When you look at the "Total Cost of Ownership" license fees + necessary third-party modules, the value proposition is slipping. Newer platforms like Upmind are entering the market with an API-first architecture and modern features built-in from day one. If WHMCS continues to outsource innovation to the community while raising prices for maintenance updates, that competitive threat is going to become an exodus very quickly. We need core features that match the modern hosting landscape, not just compatibility patches.

WeWe is a project-focused WHMCS service provider supporting hosting companies and digital businesses with structured, reliable WHMCS implementations. Our team has multi-year hands-on experience with WHMCS, backed by solid technical resources through our sister company, WebNIC, which has been operating in this industry for over a decade. This allows us to deliver not only development, but also proper project coordination, quality control, and long-term maintainability. Our WHMCS Services: • WHMCS Custom Module & Addon Development • WHMCS System Setup, Migration, and Optimization • Payment Gateway & Third-Party Integrations • Domain Registrar & API Integrations • Server Integrations (cPanel, Plesk, DirectAdmin) • Custom Hooks & Workflow Automation • WHMCS Upgrade, Refactoring, and Performance Improvement • Client Area & Template Customization • Ongoing WHMCS Maintenance & Support Why Work With WeWe: • Strong focus on project management and delivery quality • Practical WHMCS experience across real production systems • Reliable resources with long-term industry background • Clear communication and structured execution • Suitable for both one-off projects and ongoing support If you are planning a WHMCS upgrade, custom integration, or need a reliable partner to manage your WHMCS project end-to-end, feel free to reach out to us at muhammad.m@wewe.cc.

@EnricoloDi niente! Occhi puntati su quando verra' rilasciato WHMCS 9.0 😀

Dear all, Is there any documentation provided by WHMCS regarding custom security module? I want to create custom OTP functionality for logging in, and I believe how to achieve it is by creating custom security module but I cant find any documentation online. I have checked that there are several providers sell modules for OTP, so I think it is possible to achieve it. Any suggestion are welcomed. Thank you

I haven't noticed any difference, enom support still sucks just as much as it always has.

Technically the other way round - opensrs bought enom and that’s when enom fell apart

We know a number of people like to use Google Suite, we also know that sometimes you may have problems configuring it correctly. The following is a known good configuration: mail method --> SMTP PORT 465 host: smtp.gmail.com Type: SSL Thanks to @garybarr for also letting us know G Suite App Passwords can be used when you run into Authentication issues, the full steps for creating an app password are located on the G Suite Support Site.

With GSuite announcing that they will be discontinuing password-based access in the near future, will WHMCS be updated to support OAuth connections for POP Importing and SMTP in future versions?