Godox says NO. Major Flaw in Godox X3 / X3 Pro: Mixed setups are broken and Godox refuses to fix it

I’m a professional photographer with over 15 years in the field and thousands of euros invested in the Godox ecosystem (AD800, AD600 Pro IIs, AD200 Pro IIs, MS300Vs, Parabolix P158 etc.). I recently reported a deal-breaker issue with the Godox X3 (Nano) transmitter regarding the TCM (TTL-to-Manual) function in mixed setups.

The Problem: In a mixed flash setup (e.g., Group A: AD600 Pro II and Group B: AD200 Pro II), the TCM power setting (Joules) is GLOBAL, not per-group.

• If you set Group A to 600j, Group B automatically switches to 600j.
• If you change Group B to 200j, Group A instantly flips to 200j.

Because the X3 cannot store independent Joule values per group, the TCM conversion is mathematically impossible for mixed setups. You either get the wrong exposure on your big strobes or the wrong exposure on your small ones.

THE UPDATE FROM GODOX SUPPORT: I officially reached out to Godox technical support to report this as a firmware bug. Their response was disappointing, to say the least:

The Reality: Godox is basically admitting that their "revolutionary" touch-screen trigger has a core architectural or marketing limitation that prevents it from doing what the older XPro II does perfectly. Whether it’s a hardware memory limit or a deliberate choice to keep the XPro II relevant, the result is the same: The X3 is NOT a professional tool for mixed-strobe environments.

If you are a pro who relies on TTL-to-Manual workflow to save time on set, stay away from the X3 series if you use different flash models. It’s a beautiful paperweight for anyone using more than one type of light.

Final Verdict: To be clear, as a professional I don’t rely on TCM to do my job. I’ve worked in Manual mode for the vast majority of my career and I can dial in my lights in seconds. However, when a company markets a "Pro" device and highlights a flagship feature like TCM, it should actually work in professional, mixed-lighting scenarios.

I'm not posting this because I can't shoot without it, but because the community needs to know the limitations of the gear they are paying for. If you are buying the X3 specifically for its "smart" features to use with a diverse kit of strobes, be aware that Godox has essentially abandoned this functionality for the X3 series.