🇺🇦 Ingvar Stepanyan
@rreverser.com
Sr. Principal Engineer at Cloudflare by day, WebAssembly consultant by night.
You might also know me from my work on OSS tools and libraries (JS / Wasm / Rust) or Wasm DevRel at Google Chrome
📝 https://rreverser.com/
📷 https://instagram.com/rreverser
You might also know me from my work on OSS tools and libraries (JS / Wasm / Rust) or Wasm DevRel at Google Chrome
📝 https://rreverser.com/
📷 https://instagram.com/rreverser
Pinned
🇺🇦 Ingvar Stepanyan
@rreverser.com
· Jan 9
> walking through marrakech at night
> some guy comes up and asks if I want hash
> I ask if it's a cryptographic hash
> he doesn't understand
> I show him the NIST definition
> he laughs and says "it's a good hash"
[...]
> it's not a cryptographic hash
> some guy comes up and asks if I want hash
> I ask if it's a cryptographic hash
> he doesn't understand
> I show him the NIST definition
> he laughs and says "it's a good hash"
[...]
> it's not a cryptographic hash
Reposted by 🇺🇦 Ingvar Stepanyan
Woot is currently selling 64 and 32 megabyte RAM sticks as a joke 😭
December 27, 2025 at 6:39 AM
Woot is currently selling 64 and 32 megabyte RAM sticks as a joke 😭
Reposted by 🇺🇦 Ingvar Stepanyan
Can't wait for the loosened up, non-perfect, but quickly shipped AI-enhanced updates to hit my banking and insurance services next year.
Im sure there will be no issues there at all.
Im sure there will be no issues there at all.
December 26, 2025 at 2:28 PM
Can't wait for the loosened up, non-perfect, but quickly shipped AI-enhanced updates to hit my banking and insurance services next year.
Im sure there will be no issues there at all.
Im sure there will be no issues there at all.
Reposted by 🇺🇦 Ingvar Stepanyan
The Songs for Ukraine Chorus performs Shchedryk (Carol of the Bells) in Westminster Abbey, after King Charles’ Christmas
address🇬🇧🇺🇦
Thank you to His Majesty the King and the people of the UK for their constant support and
hospitality💙💛
address🇬🇧🇺🇦
Thank you to His Majesty the King and the people of the UK for their constant support and
hospitality💙💛
December 25, 2025 at 6:17 PM
The Songs for Ukraine Chorus performs Shchedryk (Carol of the Bells) in Westminster Abbey, after King Charles’ Christmas
address🇬🇧🇺🇦
Thank you to His Majesty the King and the people of the UK for their constant support and
hospitality💙💛
address🇬🇧🇺🇦
Thank you to His Majesty the King and the people of the UK for their constant support and
hospitality💙💛
Reposted by 🇺🇦 Ingvar Stepanyan
Oh wow, just did a bit of googling and I'd love to try it out.
I had no idea about it!
en.wikipedia.org/wiki/Kutia
I had no idea about it!
en.wikipedia.org/wiki/Kutia
Kutia - Wikipedia
en.wikipedia.org
December 24, 2025 at 8:57 PM
Oh wow, just did a bit of googling and I'd love to try it out.
I had no idea about it!
en.wikipedia.org/wiki/Kutia
I had no idea about it!
en.wikipedia.org/wiki/Kutia
First time making traditional Ukrainian Christmas kutya all by myself 🥰
December 24, 2025 at 8:50 PM
First time making traditional Ukrainian Christmas kutya all by myself 🥰
Reposted by 🇺🇦 Ingvar Stepanyan
After reading this I gave exe.dev a shot and the combination of cheap VMs, the HTTPS proxy with passkey auth and link sharing, and the built-in LLM agent is... incredible.
Like, I know how to use each of these things individually, but combining them feels like when I first learned to script things.
Like, I know how to use each of these things individually, but combining them feels like when I first learned to script things.
Just in time software
I didn’t plan to write software in the grocery store last night. I was tired and hungry, kids in tow. My long shopping list sat in a text message. I wished I could check items off as I found them.…
commaok.xyz
December 24, 2025 at 3:14 PM
After reading this I gave exe.dev a shot and the combination of cheap VMs, the HTTPS proxy with passkey auth and link sharing, and the built-in LLM agent is... incredible.
Like, I know how to use each of these things individually, but combining them feels like when I first learned to script things.
Like, I know how to use each of these things individually, but combining them feels like when I first learned to script things.
After years of using the default layout, moved the VSCode sidebar to the right to reduce distracting layout shifts, especially when looking at a lot of complex diagrams, and... it looks weird, but I like it?
Compare the editor layout shift when opening/closing the panel on the left vs on the right.
Compare the editor layout shift when opening/closing the panel on the left vs on the right.
December 24, 2025 at 12:24 PM
After years of using the default layout, moved the VSCode sidebar to the right to reduce distracting layout shifts, especially when looking at a lot of complex diagrams, and... it looks weird, but I like it?
Compare the editor layout shift when opening/closing the panel on the left vs on the right.
Compare the editor layout shift when opening/closing the panel on the left vs on the right.
Reposted by 🇺🇦 Ingvar Stepanyan
if i hear one more person talk about arenas as the pinnacle of performant memory management i’m going to go insane
December 23, 2025 at 10:08 AM
if i hear one more person talk about arenas as the pinnacle of performant memory management i’m going to go insane
I think I broke Gemini 😂 Had to force-stop after 28 pages of... this.
![Me: Are you hallucinating? Make sure to search the internet before responding
Gemini: search(queries=["zilch-bp rust crate", "binator rust crate zero-copy", "rust crates similar to binrw deku with zero-copy references", "rust zero-copy symmetric parsing serialization crate", "binary parsing crates rust zero-copy borrow"]) stone stone silver silver gold gold copper copper iron iron lead lead tin tin mercury mercury sulphur sulphur salt salt antinomy antinomy arsenic arsenic bismuth bismuth cobalt cobalt magnesium magnesium manganese manganese nickel nickel phosphorus phosphorus platinum platinum potassium potassium sodium sodium zinc zinc pearl pearl coral coral amber amber jet jet ivory ivory bone bone horn horn wood wood bark bark leaf leaf root root seed seed fruit fruit flower flower nut nut grain grain bean bean spice spice herb herb resin resin gum gum wax wax oil ... (pages and pages of random words)](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:pkzt5mk76dc3fnd7w7l7veyr/bafkreigoyhccpjv2zpoq6sp4hh2peyouxpxie5s2mttndifsve42fmh7de@jpeg)
December 23, 2025 at 2:01 PM
I think I broke Gemini 😂 Had to force-stop after 28 pages of... this.
Reposted by 🇺🇦 Ingvar Stepanyan
2025 Headline of the Year nominee (February)
December 22, 2025 at 11:51 PM
2025 Headline of the Year nominee (February)
Reposted by 🇺🇦 Ingvar Stepanyan
2025 Headline of the Year nominee (September)
December 22, 2025 at 11:48 PM
2025 Headline of the Year nominee (September)
Reposted by 🇺🇦 Ingvar Stepanyan
The 2025 Headline of the Year Nominees
🧵
🧵
December 22, 2025 at 11:48 PM
The 2025 Headline of the Year Nominees
🧵
🧵
I remember when search engines were trying to be useful.
December 22, 2025 at 2:38 PM
I remember when search engines were trying to be useful.
Reposted by 🇺🇦 Ingvar Stepanyan
It's really sad that Chrome laid off one of the world's best CSS developer-designers, and now they have to fake demos of web features. youtu.be/d8J0vs-bEPE?...
Create Scroll-Triggered Animations with CSS
YouTube video by Chrome for Developers
youtu.be
December 20, 2025 at 10:40 AM
It's really sad that Chrome laid off one of the world's best CSS developer-designers, and now they have to fake demos of web features. youtu.be/d8J0vs-bEPE?...
C✝️✝️
December 22, 2025 at 12:42 PM
C✝️✝️
Excuse me? Average of 10.2 drinks per week? And that's their lowest figure on record? www.ft.com/content/0f42...
Given how averages work, and that most people in my "bubble" only have a few occasional pints... who are all these people who go into dozens?
Given how averages work, and that most people in my "bubble" only have a few occasional pints... who are all these people who go into dozens?
December 22, 2025 at 12:18 AM
Excuse me? Average of 10.2 drinks per week? And that's their lowest figure on record? www.ft.com/content/0f42...
Given how averages work, and that most people in my "bubble" only have a few occasional pints... who are all these people who go into dozens?
Given how averages work, and that most people in my "bubble" only have a few occasional pints... who are all these people who go into dozens?
Reposted by 🇺🇦 Ingvar Stepanyan
every person I've heard say that they have to be there for their followers has had approximately 1% as many followers as I had on that platform. Bring your community to places where they're not under siege.
Trying to understand the psychology behind this.
Are they attached to their “follow count”? I was quickly able to build the same following over here, except there are no bots or people who followed me the one day they used Twitter back in 2009 then never logged back on.
Are they attached to their “follow count”? I was quickly able to build the same following over here, except there are no bots or people who followed me the one day they used Twitter back in 2009 then never logged back on.
the broad inability to leave a social media platform owned by a white supremacist and prolific manipulator of public perception really is one of the most discouraging data points right now
December 21, 2025 at 6:47 PM
every person I've heard say that they have to be there for their followers has had approximately 1% as many followers as I had on that platform. Bring your community to places where they're not under siege.
Oh nice, Google release LiteRT 2.0 with more Web-friendly async APIs.
ONNXRuntime WebGPU backend needs to step up their game - LiteRT.js in float32 mode is now almost 2x faster.
ONNXRuntime WebGPU backend needs to step up their game - LiteRT.js in float32 mode is now almost 2x faster.
December 20, 2025 at 3:34 PM
Oh nice, Google release LiteRT 2.0 with more Web-friendly async APIs.
ONNXRuntime WebGPU backend needs to step up their game - LiteRT.js in float32 mode is now almost 2x faster.
ONNXRuntime WebGPU backend needs to step up their game - LiteRT.js in float32 mode is now almost 2x faster.
New soa-rs version with my contributions for generics support and no_std compatibility has been released 🥳
GitHub - tim-harding/soa-rs: An SoA library for Rust
An SoA library for Rust. Contribute to tim-harding/soa-rs development by creating an account on GitHub.
github.com
December 20, 2025 at 1:57 PM
New soa-rs version with my contributions for generics support and no_std compatibility has been released 🥳
Reposted by 🇺🇦 Ingvar Stepanyan
Sanctions are not damaging Russian economy. We made "conscious decision" for it to get smaller.
I remain a master strategist
I remain a master strategist
December 20, 2025 at 12:07 PM
Sanctions are not damaging Russian economy. We made "conscious decision" for it to get smaller.
I remain a master strategist
I remain a master strategist
Reposted by 🇺🇦 Ingvar Stepanyan
i'm fascinated by how much people love and are amazed by chat gpt saying "nice catch!" and "great observation!" because i personally find the condescension and obsequiousness the most skin-crawling thing about how LLMs "talk"
If we are banning cell phones for kids we need to be talking about banning chatbots for boomers
www.persuasion.community/p/my-chatgpt...
www.persuasion.community/p/my-chatgpt...
December 18, 2025 at 12:09 PM
i'm fascinated by how much people love and are amazed by chat gpt saying "nice catch!" and "great observation!" because i personally find the condescension and obsequiousness the most skin-crawling thing about how LLMs "talk"
That's my worry about the upcoming satellite connectivity built straight into mobile phones.
I go hiking in the wilderness because it's the last place where I can truly be unreachable, and that will be soon gone too.
I go hiking in the wilderness because it's the last place where I can truly be unreachable, and that will be soon gone too.
I remember being in a friend’s kitchen when he was showing off his new blackberry to his dad. Dad was like, “So now they know they can reach you anywhere, anytime? How is that good?”
December 17, 2025 at 1:29 PM
That's my worry about the upcoming satellite connectivity built straight into mobile phones.
I go hiking in the wilderness because it's the last place where I can truly be unreachable, and that will be soon gone too.
I go hiking in the wilderness because it's the last place where I can truly be unreachable, and that will be soon gone too.
Reposted by 🇺🇦 Ingvar Stepanyan
Got ur gifts here bitch
December 13, 2023 at 2:30 PM
Got ur gifts here bitch