Optional dry brine: Toss beef with 2½ teaspoon kosher salt. Rest on a rack in fridge 1-24 hrs. Pull out while prepping veggies.
Set Instant Pot to Sauté. Add 2 tablespoon oil, sear half the beef 5-7 mins, turning to brown all sides. Repeat with remaining beef + 1 tablespoon oil. Do not wipe pot.
Add onion, carrots, garlic, celery, mushrooms, thyme, Worcestershire, bay leaves, and ½ teaspoon salt. Sauté 5 mins, scraping fond.
Return beef to pot. Add broth, crushed tomatoes, potatoes, green beans, peas, and parmesan rind (if using). Stir well.
Lock lid. High pressure for 10 minutes.
Natural release for 25 minutes.
Remove thyme, bay, and parmesan rind. Stir. Serve hot with crusty bread.