Borderlands 4’s May 21 update is yet another minor patch with the usual weekly resets to Maurice’s Vending Machine’s location, the Big Encore boss, and the weekly Wildcard Mission.
Contents
Patch Details
- Release date: May 21, 2026
- Platforms: PC, PS5, PS5 Pro, Xbox Series X | S
- Patch size: Server Side
With that said, here’s a look at the official patch notes for today’s update.
Weekly Changes

Weekly Big Encore Bosses

Vile Ted & The Experiments
Weekly Wildcard Mission

Mission: Dark Subject (Leaking, Strong, Vampiric)
Legendary Gear Reward: Lead Balloon Torgue Shotgun
Maurice’s Black Market Vending Machine

Here’s a visual hint to where Maurice’s Black Market Vending Machine is hidden this week.
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Borderlands 4 patch notes archive
- 2026
- May 21 (You are reading it.)
- May 14
- May 7
- April 30 (Major Update)
- April 23
- April 16
- April 9
- April 2
- March 26 (Major Update)
- March 19
- March 12
- March 5
- February 26 (Major Update)
- February 19
- February 12
- February 5
- January 29 (Major Update)
- January 22
- January 15
- January 8
- 2025
