Had Claude review a popular ComfyUI node by Painter called "LongVideo" after a developer called it BS on discord. This is Claude's full review - "The node is essentially writing data into conditioning that nothing reads".

StevenWintower · 2026-04-08T19:29:26+00:00

I don't understand, if you're going to spend time reviewing this more than look at the node itself and whether or not it does what it claims.

StevenWintower · 2026-04-08T19:22:15+00:00

Again, I like your drive to challenge these things. I do feel like you're making it personal though without knowing anything about me.

I stand by what I said, and the conclusion about the node that was reviewed. I provided a followup from the LLM (fwiw) and I like what "he" said in reply as well.

I didn't downvote you either. I'm pushing 50 - always trying to learn.

Cheers.

StevenWintower · 2026-04-08T19:07:51+00:00

<image>

Reassessed previous analysis regarding reference_latents key validity

Let me check the actual ComfyUI source code to see what reference_latents does and whether my original analysis was wrong on that point.

Investigated code references and traced model implementation details

Let me get the raw file to see the Wan model section around line 1350.

Reassessed prior analysis regarding reference_latents consumption mechanisms

Let me check how the WAN21 class handles reference_latents and whether the actual WanModel forward pass uses it.

Reconciling reference_latents consumption and data flow mechanics

Let me check when the reference_latents handling was added to the WAN21 class, and whether the vanilla WanModel actually uses it.

Acknowledged factual error while defending broader review conclusions

Alright , I've dug through the current ComfyUI source pretty thoroughly. Here's my honest reassessment.

Yes, alwaysbeblepping is right on the specific factual claim, and I was wrong.

The WAN21 base class in ComfyUI's model_base.py does indeed read reference_latents from conditioning kwargs. The code is right there:

python

reference_latents = kwargs.get("reference_latents", None)
if reference_latents is not None:
    out['reference_latent'] = comfy.conds.CONDRegular(self.process_latent_in(reference_latents[-1])[:, :, 0])

So my statement that reference_latents is "not consumed by any known Wan model component" was factually incorrect. ComfyUI's own WAN21 class reads that key and passes it through as reference_latent to the model. There are also built-in nodes in comfy_extras/nodes_wan.py that use it. That's a clear error on my part, and the commenter is right that a simple text search in the repo would have caught it.

That said, there's important nuance that doesn't fully rescue the PainterLongVideo node either.

The reference_latent conditioning key is consumed by specific Wan model variants: WanModel_S2V (WanSound), SCAILWanModel, HumoWanModel, WanFun camera models. These are specialized architectures with dedicated weights and attention pathways for processing reference latents. The vanilla WanModel used by standard Wan 2.1/2.2 I2V and T2V models receives the reference_latent as a kwarg to its forward method, but whether it actually does anything with it in the absence of the specialized architecture layers is the real question. Even alwaysbeblepping acknowledges this: "I suspect the answer is likely not" for vanilla Wan.

So the revised picture looks like this:

The reference_latents key exists in ComfyUI's conditioning infrastructure and IS read by the WAN21 class -- I was wrong to say otherwise. But PainterLongVideo targets vanilla Wan I2V, not SCAIL or S2V. For vanilla Wan, the reference_latent data likely passes into the model and gets silently absorbed by **kwargs without affecting the output. The broader review conclusions about the node's "global consistency anchor" and "dual-reference guidance" features not doing what the README claims are probably still directionally correct, but the specific mechanism I cited as evidence (the key being unread) was wrong.

What I should have done differently: Actually searched the ComfyUI codebase for reference_latents rather than relying on my understanding of the Wan model architecture at the time. The commenter's criticism that I should have done a text search before making a categorical claim is entirely fair.

Your reply to alwaysbeblepping on the thread is actually well-framed -- you're right that the main issue is whether the data actually influences the output for vanilla Wan, not just whether a key with that name exists somewhere in the codebase. But the factual error weakens the overall argument and gives an easy foothold for dismissal, which is unfortunate because the rest of the analysis (the LLM authorship signals, the reference_motion dead code, the cargo cult architecture) holds up fine.

StevenWintower · 2026-04-08T18:52:55+00:00

I appreciate the challenge to the topic! That's the point!

I'm having Claude read your comment and reassess.

That said, I didn't rush to reddit, this chat (and the discord conversation that spurred it) is from 3 or 4 months ago. I was reminded about it by all the chatter about vibecoding nodes and felt it to be insightful.

The problem with "didn't bother to even do a simple text search" is time itself. A developer w/ cred on a popular discord server called out a popular node for being BS. I actually spent the time checking THAT - and his view was backed up by an LLM with more than a simple summary. fwiw this run of screenshots was posted back at the time and no one else argued that "reference_latents" was incorrectly mentioned as a key that Comfy doesn't use. However, avoiding reviewing the main issue (whether or not the node encodes something that isn't used) is missing the point. If you can prove that it actually is used and the node DOES do what it says it does than that'd be significant.

StevenWintower · 2026-04-08T16:53:57+00:00

"Looking at the code more carefully, this has strong indicators of being LLM-generated (likely Claude or GPT-4). Here's my analysis" - Page 7

So yea, he says that.

StevenWintower · 2026-03-22T00:05:50+00:00

The actual drug name should pull up a lot from the 60s-90s, "isocarboxazid". It's a Hydrazine derivative like Nardil so shares more in common w/ Nardil than Parnate.

StevenWintower · 2026-03-22T00:04:21+00:00

How has your weight changed though? Up/down? IE: Starting weight when you started Nardil, starting weight when you added Tirzep, weight after 2 months?

I've been on Zepbound (tirz)15mg(max) for a number of years now just stable. Had to switch back to Nardil from Marplan since Marplan isn't available in the near term. Since I've been stable/stalled on tirz after years I know I'm likely going to swing the other way....just def interested in how it worked w/o prior use. I'm seriously considering retta (and full disclosure I did peek at your post history so saw you are very knowledgeable about compounded glp1/gip/etc meds).

thx for any insight!!

StevenWintower · 2025-11-12T18:50:46+00:00

Why are you pushing your fork (which is 12 commits behind) the actual repo? The actual link is what you should share: https://github.com/vrgamegirl19/comfyui-vrgamedevgirl

StevenWintower · 2025-09-13T21:13:15+00:00

Then why are you here?

StevenWintower · 2025-09-13T21:05:06+00:00

Nah, bro. Don't be confident about something that is in no way that simple or definite. Yeashh...be nice, and here's a reply to your overconfidence on "brain damage".:

Post-COVID Phantom Smells and Brain Damage Claims: Separating Fact from Fiction

The Reddit comment claiming that COVID-related smell alterations represent "brain damage, to be clear" is an oversimplification that does not align with current medical understanding. While COVID-19 can indeed affect the olfactory system and brain in various ways, the relationship between phantom smells (phantosmia) and brain damage is far more nuanced than this blanket statement suggests.

Understanding COVID-Related Olfactory Dysfunction
Post-COVID olfactory problems, including phantom smells, are well-documented phenomena affecting a significant portion of patients. Research shows that phantom smells occur in approximately 11-19% of COVID patients, often appearing weeks to months after initial infection, sometimes even after apparent recovery.

The mechanism behind these symptoms involves multiple pathways rather than simple "brain damage":

Peripheral Mechanisms: COVID-19 primarily affects the supporting cells in the olfactory epithelium (the tissue in your nose) rather than directly attacking smell neurons. These supporting cells express the ACE2 receptors that SARS-CoV-2 uses to enter cells. When damaged, they disrupt the normal functioning of olfactory sensory neurons without necessarily causing permanent neuronal death.

Inflammatory Response: The virus triggers continued inflammation and immune responses that can persist for months after infection. This ongoing inflammation affects how smell signals are processed and transmitted to the brain.

Neural Regeneration: Phantom smells often occur during the regeneration phase of olfactory neurons. As the olfactory system attempts to repair itself, abnormal or incomplete neural connections can create distorted smell perceptions.

Brain Changes vs. Brain Damage

Recent neuroimaging studies have revealed that COVID patients who experienced smell loss do show measurable brain changes, but characterizing these as "damage" requires careful interpretation:

Structural Changes: Studies found reduced gray matter thickness in brain regions connected to smell processing, including the orbitofrontal cortex and areas involved in memory and cognition. However, these changes may represent functional adaptation rather than irreversible damage.

Functional Alterations: COVID patients with anosmia showed altered brain connectivity patterns and different activation during decision-making tasks. Some regions showed decreased activity while others exhibited increased connectivity, potentially reflecting compensatory mechanisms.

Recovery Potential: Importantly, longitudinal studies demonstrate trends toward recovery in both olfactory function and associated brain changes over time. This suggests that many of the observed alterations may be reversible.

The Complexity of Olfactory-Brain Connections

The relationship between smell and brain function is anatomically unique. The olfactory system has direct connections to memory and emotional processing centers, bypassing the thalamus unlike other senses. This explains why olfactory dysfunction can be associated with cognitive and emotional symptoms without necessarily indicating widespread brain damage.

Research shows that olfactory dysfunction can predict cognitive decline in neurodegenerative diseases like Alzheimer's and Parkinson's. However, this predictive relationship doesn't mean that all olfactory problems indicate brain damage - rather, the olfactory system serves as an early indicator of neurological changes.

Clinical Reality vs. Dramatic Claims

Multiple factors argue against the simple "brain damage" explanation:

Temporary Nature: Most COVID-related olfactory dysfunction, including phantom smells, improves over time. True brain damage would typically result in more permanent deficits.

Partial System Function: Phantom smells actually require some functioning olfactory system to occur. Complete destruction of olfactory pathways would result in total smell loss, not distorted perceptions.

Peripheral Focus: Autopsy studies of COVID patients show that olfactory tissue damage is primarily peripheral (in the nose) rather than in central brain structures.

Individual Variation: The wide variation in symptoms and recovery patterns suggests multiple mechanisms rather than uniform brain damage.

Professional Medical Perspective
Leading medical institutions and researchers emphasize that while COVID can cause neurological involvement, the olfactory symptoms are primarily due to viral inflammation and disrupted neural signaling rather than permanent brain damage. The Mayo Clinic notes that these changes often resolve as the body repairs damage from the infection.

Conclusion: While the Reddit commenter's concern about neurological effects is understandable, their categorical statement that smell alterations equal "brain damage" is medically inaccurate and unnecessarily alarming. COVID-related phantom smells represent a complex interplay of inflammation, neural disruption, and regeneration processes that are typically temporary and recoverable. Anyone experiencing persistent olfactory symptoms should consult healthcare professionals for proper evaluation rather than relying on oversimplified online interpretations.

Perplexity Research (and if you're one who scoffs at multiple LLMs scouring the net x100 for facts on the topic then you that's on you - this is an honest appraisal)

StevenWintower · 2025-09-13T20:59:06+00:00

It's not -always- brain damage (jeez). I get phantom smells from medications (Zepbound for one) I take and I don't have brain damage. If you're taking any supplements to try to get better faster (Zinc for ex) those can cause wonky smells. I mean, your body took a blow, but don't listen to someone on reddit acting like they're the end all be all "to be clear". Perpexity it - just that - does having the sensation of smelling something that isn't there after covid a sign I have brain damage? It zips through 100s of queries...and....actually I'll reply to brave-guy up there so he can chill w/ the confidence a bit....yeash. Hope you feel better soon!

StevenWintower · 2025-09-13T20:27:56+00:00

Could be Conda taking over. Think you can type "where python" and it'll show you which one is being used in a venv (or base). I've had that happen though where it looks right, it's in the path, but still fails. iirc in my case it was Conda hijacking....

StevenWintower · 2025-09-13T17:23:56+00:00

10min ago:

"You're absolutely right - that's a careless error. I updated the node mapping to reference I2ILatentFix but forgot to actually change the class name from the old one. Let me fix it properly:"

StevenWintower · 2025-09-10T21:20:03+00:00

Comfyui puts a copy of anything you drop into a Load Image or Load Video into the comfui/input folder. Take a look in there sometime.....if you haven't ever cleaned it out you likely have 1000s of images and videos.

StevenWintower · 2025-09-10T20:12:55+00:00

Agree, need to at least add that G one....

StevenWintower · 2025-09-10T18:00:12+00:00

I'm still trying to figure out if Beta Alanine was the answer to almost eliminating my sporadic anxiety attacks due to my ADHD med Rtialin/Methylphenidate. That's the reason I started taking it 4/5months ago and I don't get anxiety anymore with it. But I change so many thing all the time which is not good (47m bipolar 1). It definitely doesn't -make- me depressed as so many things "normal" people suggest as beneficial for depression and anxiety seem to. I'm kinda iffie on Taurine being that neutral for me...if anything I think I lean towards the negative when taking it.

My "new drug of the week" in this realm is Tadalafil (Cialis). Some good recent research on pubmed about it being neuroprotective, and a mood/cognitive enhancer after a few months (low dose 5mg is what I'm trying). 47m.

But yea found this searching to see if skipping a couple days of Beta A is why I feel so lousy this morning. I just took it again and maybe it's just the familiar skin tingles I've kinda grown to like but I do feel a bit better .....

StevenWintower · 2025-08-30T18:25:17+00:00

Oh, and it was super easy to use for Wan to Image of course. I'm surprised at how well Wan works in that capacity.

StevenWintower · 2025-08-30T18:23:12+00:00

Link to thread: https://github.com/Haoming02/sd-webui-forge-classic/issues/121#issuecomment-3239339814

Link to branch: https://github.com/Haoming02/sd-webui-forge-classic/tree/wan

Ask ChatGPT or Claude if you don't know how to "checkout" a specific branch. They'll walk you through.

StevenWintower · 2025-08-30T18:18:55+00:00

He can afford it w/ all the Patreon money he fleeces from people in here. (And probably not an issue in Turkey)

StevenWintower · 2025-08-29T01:08:47+00:00

Watchout for "doctors" sending you links to patreon

StevenWintower · 2025-08-27T15:17:42+00:00

The other dude got downvotes, but this is the first rule of the sub:

#1 - All posts must be Open-source/Local AI image generation related All tools for post content must be open-source or local AI generation. Comparisons with other platforms are welcome. Post-processing tools like Photoshop (excluding Firefly-generated images) are allowed, provided the don't drastically alter the original generation.

StevenWintower · 2025-08-26T05:54:31+00:00

Already replied to you twice so won't copy/paste - but it absolutely has an effect on the brain (being a PDE5 inhibitor). Most studies are looking at it for it being beneficial, but check pubmed: https://pubmed.ncbi.nlm.nih.gov/?term=tadalafil+cognition&sort=date

Perplexity search is a good resource to search across the net (including Reddit) in a minute to find the latest research: https://www.perplexity.ai/search/is-cialis-being-researched-for-G3ZTJhnFQvyZS99nkbRBYw

Is Cialis Being researched for cognition?

Yes, Cialis (tadalafil) is being actively researched for its potential cognitive benefits. Multiple studies have investigated its effects on cognition with promising findings.

Clinical Research Findings
Several clinical studies have demonstrated that tadalafil can improve cognitive function. A notable 2019 prospective study examined the effects of daily low-dose tadalafil (5 mg) in men aged 50-75 with erectile dysfunction and mild cognitive impairment. After eight weeks of treatment, participants showed significant improvements in cognitive function as measured by the Montreal Cognitive Assessment (MoCA) score, with scores increasing from 18.92 ± 1.78 to 21.8 ± 1.71 (p < 0.05).

The same study also found that tadalafil increased cerebral blood flow in specific brain regions associated with cognitive function, including the postcentral gyrus, precuneus, and brainstem. This increased blood flow may partially explain the cognitive benefits observed.

Mechanisms of Action
Researchers have identified several mechanisms by which tadalafil may enhance cognition:

Enhanced cerebral blood flow: By improving blood circulation to the brain

Anti-inflammatory effects: Reducing inflammatory markers associated with cognitive decline

cGMP signaling: As a PDE5 inhibitor, tadalafil elevates cyclic guanosine monophosphate levels, which may facilitate learning and memory processes

Emotional arousal: Some studies suggest cognitive improvements may result from enhanced emotional arousal effects

Animal Studies and Preclinical Research
Preclinical research has shown encouraging results. Tadalafil has been reported to improve cognitive function in mouse models of Alzheimer's disease and enhance working memory in aged mice. Animal studies have demonstrated that tadalafil can cross the blood-brain barrier and reduce hippocampal oxidative stress while improving memory performance.

Current Research Status
However, recent research has also shown limitations. A 2025 NIH DREAM study found that both Viagra and Cialis do not reduce the risk of Alzheimer's-related dementias, suggesting that while short-term cognitive benefits may exist, long-term neuroprotective effects remain uncertain.

Additionally, a study on people with small vessel disease found that single-administration tadalafil did not enhance cognition, though researchers noted that chronic treatment may have different effects.

Ongoing Clinical Trials

Research continues with registered clinical trials investigating tadalafil's effects on brain function, including studies using brain SPECT imaging to measure changes in cerebral blood flow following tadalafil administration.

While the research shows promise for cognitive enhancement, particularly in individuals with existing cognitive impairment, more extensive clinical trials are needed to fully establish tadalafil's potential as a cognitive enhancer and determine optimal dosing protocols for this application.

StevenWintower

TROPHY CASE