Deno doc now understands npm packages (
b7cc30f)
deno doc can now follow and analyze npm dependencies, including managed, auto-node_modules, and BYONM setups. This makes the docs command much more useful for mixed Deno/npm codebases and required resolver/graph changes plus new coverage.
Node http2 gets a full rewrite (
20e1ef8)
The Node http2 implementation was rewritten around nghttp2 and a libuv compatibility layer, with large changes across Rust ops and JS polyfills. This is a major compatibility milestone for apps and libraries that rely on Node's HTTP/2 APIs.
N-API async work now runs on a worker thread (
4c548d4)
napi_queue_async_work now executes its execute callback off the V8 main thread and dispatches complete back onto the main thread, matching the N-API contract. That fixes deadlocks around threadsafe functions and keeps the event loop alive correctly while work is pending.
Worker threads eval code now matches Node's sloppy mode (88d6de0)
node:worker_threads { eval: true } no longer forces eval code through an ESM data URL path; it now feeds source directly to V8 in sloppy mode like Node does. This unblocks code that relies on CommonJS-style semantics and bare assignments inside eval workers.
CPU profiling and coverage flush on Deno.exit() (527c844)
Exit now runs registered callbacks before std::process::exit(), so profiling and coverage data is preserved instead of being dropped on direct exit. The cleanup path is shared with normal shutdown, reducing the chance of losing diagnostics in exit-heavy scripts.
AWS-style peer dep trees no longer explode in npm resolution (ed367f2)
Peer cache-hit checks in npm graph resolution were memoized to avoid combinatorial recursion on large peer dependency trees. This addresses hangs like deno add npm:@aws-cdk/aws-ecs and should make complex installs dramatically faster and more reliable.
N-API gains more property/constructor helpers (042a768, 
9c73df3)
Deno added node_api_create_property_key_latin1/utf8 and node_api_create_object_with_properties, filling in more of Node's native addon surface. These additions improve addon compatibility and can speed up property creation/lookup by using internalized V8 strings.
TTY streams can now be constructed without new (1036b2a)
ReadStream and WriteStream were converted to function-style constructors so they can be invoked the way Node expects. This fixes another Node-compat edge case for code that calls the constructors directly.
NPM auth now supports email-based .npmrc credentials (
ed98585)
The npm cache/registry handling was updated to accept email authorization in .npmrc configs. That removes a real-world install failure mode for registries that use email-based auth metadata.
Node compat test harness is less noisy and more usable (0eddc94, 913548b)
The Node compat harness now supports a single ignore flag, and the custom test runners correctly honor --list. This is mostly test infrastructure cleanup, but it makes skipping known-inapplicable Node tests much simpler.
