Programming News Today: TypeScript 7.0 Native Compiler, Chrome 150 Baseline & PostgreSQL 19 Beta 2 – July 24, 2026

npm install -D typescript@7
npx tsc --checkers 4   # parallel type-checking on big repos

.card {
  border: 4px solid transparent;
  background: linear-gradient(45deg, magenta, cyan) border-box;
  background-clip: border-area;   /* true gradient borders */
}

@container style(--theme: dark) {
  .title { color: white; }
}

npm install vite@8

// app/blog/[slug]/page.tsx
export const instant = false; // Block: allow a server-bound navigation

const blob = new Blob(["hello world"]);
for await (const chunk of blob.textStream()) console.log(chunk);

dialog:open { border: 2px solid green; }

<div focusgroup="wrap" aria-label="Formatting">
  <button>Bold</button>
  <button>Italic</button>
</div>

<div id="comments"><!-- placeholder --></div>
<!-- later in the stream -->
<template for="comments">Loaded comments…</template>

<button popovertarget="tip" popovertargetaction="show">?</button>
<div id="tip" popover="hint">Helpful hint text</div>

.card { --variant: promo; }
@container style(--variant: promo) {
  .card h2 { color: crimson; }
}

.el {
  border: 5px solid transparent;
  background: linear-gradient(to right, #f0f, #0ff) border-box;
  background-clip: border-area;
}

details:open summary { font-weight: bold; }
dialog:open { box-shadow: 0 8px 30px rgba(0,0,0,.3); }

const today = Temporal.Now.plainDateISO();   // 2026-07-24
const dueDate = today.add({ days: 30 });      // 2026-08-23
console.log(dueDate.toString());

for (const [n, c] of Iterator.zip([[1, 2, 3], ["a", "b", "c"]])) {
  console.log(n, c); // 1 a / 2 b / 3 c
}

const groups = new Map();
groups.getOrInsertComputed("fruit", () => []).push("apple");
// Map(1) { 'fruit' => ['apple'] }

npm install -D typescript@7
tsc --checkers 8   # parallel type-checking

npm install -D typescript@rc

npm install -D typescript@6

const onConnected = useEffectEvent(() => showNotification('Connected!', theme));
useEffect(() => {
  const c = createConnection(url, roomId);
  c.connect();
  return () => c.disconnect();
}, [roomId]); // theme is NOT a dependency

// babel.config.js
plugins: [['babel-plugin-react-compiler', { target: '19' }]]

npm install react@19.2.1 react-dom@19.2.1

npx shadcn init            # defaults to Base UI
npx shadcn init -b radix   # opt back into Radix

npx shadcn init --base aria

<article className="typeset" style={{ "--typeset-size": "1.05rem" }}>
  <ReactMarkdown>{content}</ReactMarkdown>
</article>

<div class="scrollbar-thin scrollbar-thumb-sky-700 scrollbar-track-sky-100 overflow-auto">…</div>

<div class="bg-mauve-950 text-mauve-100 pbs-4 inset-s-0">Logical + new palette</div>

<h1 class="text-shadow-lg mask-b-from-50%">Shadowed, masked heading</h1>

<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet">

npm install bootstrap@5.3.6

<i class="bi bi-bluesky"></i>

const blob = new Blob(["hi"]);
for await (const chunk of blob.textStream()) console.log(chunk);

nvm install 24 --lts && node -v   # v24.18.0

# after 2026-07-27
nvm install 24 --lts && node -v

npm install express@5.2.1   # restores original query parsing

res.redirect(undefined);      // now emits a deprecation warning
res.redirect(302, '/login');  // correct usage

res.send(new Uint8Array([72, 105])); // "Hi"

SELECT VERSION();  -- expect 9.7.1 after upgrade

-- MySQL 8.4 remains the current LTS; 9.x is the Innovation track

SELECT VERSION();  -- 9.6.0

// app/products/[slug]/page.tsx
export const instant = false; // let this route block instead of streaming/caching

// next.config.ts
export default { cacheComponents: true, partialPrefetching: true };

npm install next@16.2.11

UPDATE employees
  FOR PORTION OF valid_period FROM DATE '2026-01-01' TO DATE '2026-07-01'
  SET department = 'Engineering' WHERE id = 42;

import { ref } from 'vue';
const count = ref(0);

import { drizzle } from 'drizzle-orm/node-postgres';
const db = drizzle(process.env.DATABASE_URL);
const rows = await db.select().from(users);

import { defineConfig } from 'prisma/config'
export default defineConfig({ schema: './prisma/schema.prisma' })

import { createClient } from '@supabase/supabase-js';
const supabase = createClient(URL, ANON_KEY);
const { data } = await supabase.auth.getClaims(); // verify via signing keys

redis-cli INCREX rate:user:42 1 60   # increment within a 60s window

db.movies.aggregate([
  { $scoreFusion: { /* combine text + vector pipelines */ } }
]);

const count = signal(0);
const double = computed(() => count() * 2);

name = "world"
template = t"Hello {name}"   # PEP 750 t-string: a Template, not a str

var client = HttpClient.newBuilder()
    .version(HttpClient.Version.HTTP_3)
    .build();

int divide(int a, int b)
  pre(b != 0)         // precondition
  post(r: r * b == a) // postcondition
{ return a / b; }