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Introducing Claude Opus 4.6. Our smartest model got an upgrade. Opus 4.6 plans more carefully, sustains agentic tasks for longer, operates reliably in massive codebases, and catches its own mistakes. It’s also our first Opus-class model with 1M token context in beta.

Union tracks finalization across all ecosystems.

zkgm

Effect, my favorite typescript package of all time, now has the best interactive tutorial ever: effect.institute

Also props to @0xbonlulu and @zkqlp for building the world's most modular relaying and indexing systems!

This marks a huge milestone. With Sui now live, Union's IBC implementation now supports three execution environments! EVM, CosmWasm, and Move! Huge props to @aeryz2 and @kaancaglan for making this happen.

Union has added @SuiNetwork to the testnet app. Come test the ZK-secured, trustless connection bringing Sui into Union’s growing network. Another step toward linking the fastest ecosystems in crypto 🧵 ↓

Happy new years! Wishing you all the best for 2026. We've been quietly building, and we're launching something very cool this evening

Ghostty 1.0 came out a year ago today. Since then: - Command Palette - Background Images - Quick Terminal Size - Graphical Progress Bars (OSC 9;4) - Undo/Redo Close (macOS) - Terminal Bell (audio, graphical, and more) - Custom Cursor Shaders - animations/trails - SSH Improvements - auto terminfo copying, env fixes - Quick Terminal on Linux - Global Keybinds on Linux - Server-Side Decorations (SSD) on Linux - Performable Keybindings - Bitmap Font Support - Alpha Blending on both macOS and Linux - Apple Shortcuts Integration (macOS) - GTK rewrite with native GObject Coming in 1.3, already in nightly/tip: - Scrollback Search - Scrollbars - Key Tables / Chained Keybinds - Copy as HTML/RTF - libghostty started and already shipping in 3rd party production code on all platforms including web Organizationally: - Non-profit established - Subsystem maintainers established with ~10 maintainers - Community team established with another ~10 members Commits: 5,154 Unique contributors: 310 See you in 2026. 🚀

You like Zed Industries? Their early work (Atom) was a little too new wave for my taste. But when Zed came out in ’21, I think they really came into their own, technically and artistically. The whole GPUI layer has a clear, crisp execution, and a new sheen of consummate professionalism that really gives the product a big boost. They’ve been compared to VS Code forks, but I think Zed has a far more low-level, GPU-driven approach.

Ty all for joining us! zkgm, enjoy these last months of the year!

Union Hall Cast ft. gumi Cryptos Capital & Anagram x.com/i/broadcasts/1…

find the redeem tx

Severely depressing that the EU voted in favor of Chat Control today. Proud of The Netherlands for opposing, but this is a supremely fucked up violation of human rights and shows how non-sovereign EU members have become. Privacy is a fundamental human right.

In Union’s latest Private Bridging whitepaper, you may have come across something called the Z-Asset Standard. Here’s a quick breakdown of what that is ↓

❗ The Dutch General Intelligence and Security Service (AIVD) opposes the EU's chat control proposal. It advises against it due to very high risks to digital resilience. The AIVD warned the cabinet that installing a scanning app on every mobile phone, along with the required management infrastructure, would create an extremely large and complex system with access to vast numbers of devices and their personal data, posing major risks to digital resilience. This is ironic because in 2022, the same agency established a technical capability to intercept internet communications via major cable operators, enabling taps “across the whole of the Netherlands” to catch enemies of the state — which is effective, but technically constitutes mass surveillance with enormous implications.

Union’s Private Bridging whitepaper dropped earlier this week. For our Korean community, all the details can be found in the @with_blockmedia article below. 지케이지엠 ↓ blockmedia.co.kr/archives/10069…

🇪🇺 More great news from Europe 😊 Gradually, then suddenly. Nothing changed for 2 years and now a lot of things are finally changing: The Netherlands is changing its stock options tax to be modeled after the American system, which is the default in startups (!) Stock options will now be taxed when sold, not when exercised (!) This was #7 most voted idea on euacc.com to save Europe and now it's happening! Right now in most of Europe, stock options are taxed when exercised This creates very problematic situations: imagine you have stock options for a startup you worked for. Many/most startups have a clause that says "you must exercise your vested options within 90 days after leaving, or you lose them". So you exercise them, which in Europe means paying tax on their value immediately, that's regardless if you actually made money on them! So you could exercise your stock options when the price is $100, and let's say you have 10,000 stocks, so that's 10,000 * $100 = $1,000,000 in value at the time of exercising. Let's say you pay 50% tax on that, so you pay $500,000 in tax Where do you get that $500,000 from in the first place? Remember you now exercised your stock option but you haven't sold it yet. So you're still a broke startup guy. Often you'd loan the money from the bank. And then you could just sell the stock immediately right? No wait...you can only sell your stock that you just exercised during a liquidity event. That means when the company is acquired, or IPOs, or a secondary sale happens (you can sell your stock to other investors) So that means the wait can be forever, while you already paid tax on your options, now you pay back that $500,000 loan over many years But startups are risky, we know that. What if the stock price crashes from $100 to $10? Doesn't matter. You already paid $500,000 on the exercised stock. But now you only make 10,000 * $10 = $100,000 instead of $1,000,000! So now you got a $500,000 loan, paid $500,000 in tax with that loan, only made back $100,000, and now have to pay back this loan with what money? Exactly. You can't and you lost at least $400,000! And that's without the interest of the loan! You just lost a lot of money by being European and working for a startup! Crazy right? But that's the reality in most of the EU (including Germany, Spain, etc). With the new Netherlands law, that finally changes. And that makes working for European startups much more attractive for the top-tier talent. Because startups in the beginning are lean and can't pay a high salary but they can pay in stock in their company easily. The Netherlands also reduces the tax rate of stock options to something more similar to the US: from 49.5% to 32.17% The new ruling only applies to employees at a startup or scale-up The amendment to the Netherlands Income Tax Act is expected to come into effect on January 1, 2027 (in ~1 year) h/t @bobbygaal for the tip

Z-kgm