Programming News Today: TypeScript 7.0 Native, Next.js Security Patch & shadcn Base UI – July 25, 2026

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

npm install next@16.2.11   # Active LTS
npm install next@15.5.21   # Maintenance LTS

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

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

.grid {
  display: grid;
  gap: 1rem;
  column-rule: 2px solid #e5e7eb;
  row-rule: 1px dashed #cbd5e1;
}

<button command="show-modal" commandfor="dlg">Open</button>
<dialog id="dlg">Hi <button command="close" commandfor="dlg">x</button></dialog>

<div class="scrollbar-thin scrollbar-thumb-sky-700 overflow-auto">...</div>

select, ::picker(select) { appearance: base-select; }

<button command="toggle-popover" commandfor="menu">Menu</button>
<div id="menu" popover>...</div>

textarea { field-sizing: content; }

.list { display: flex; gap: 1rem; column-rule: 1px solid #ddd; }

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

.float { shape-outside: xywh(0 0 200px 120px round 8px); }

const today = Temporal.Now.plainDateISO();   // 2026-07-25
const dueDate = today.add({ days: 30 });
console.log(dueDate.toString());

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

new Intl.DateTimeFormat("en", { era: "short" }).format(new Date());

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

tsc --watch

npm install -D typescript@6

const onConnected = useEffectEvent(() => showToast(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@19.2.7 react-dom@19.2.7

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

npx shadcn add message bubble message-scroller

npx shadcn init --base aria

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

<pre class="tab-size-2">...</pre>

<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@5.3.8

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

console.log(Temporal.Now.plainDateISO().toString());

nvm install 24 --lts && node -v

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

app.get("/user", async (req, res) => {
  const u = await db.find(req.query.id); // throw -> error handler
  res.json(u);
});

app.get("/files/{*path}", handler); // new named wildcard syntax

SELECT VERSION();  -- expect 9.7.1 after upgrade

CREATE FUNCTION add_js(a INT, b INT) RETURNS INT
  LANGUAGE JAVASCRIPT AS $$ return a + b; $$;

CREATE TABLE docs (id INT, embedding VECTOR(768));

npm install next@16.2.11

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

// proxy.ts
export default function proxy(req) { /* ... */ }

SHOW io_method;   -- 'worker' or 'io_uring' on PG 18

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

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

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

npm install vite@7

bun install && bun test