The borderlands 4 ultrawide fix landscape is messier than it should be in 2026. At 21:9 the game crops the top and bottom of cinematics rather than expanding the horizontal view, the FOV slider tops out at 100 (which feels like 80 on 32:9), and the HUD pins to physical screen edges instead of a safe area. We tested every combination on a 34” 3440x1440 and a 49” 5120x1440. Here is the setup that gives you proper Vauxhall-FOV ultrawide without engine hacks.

Why this happens

Unreal Engine 5.4 defaults to vertical FOV scaling — meaning at wider aspect ratios the engine keeps the vertical field of view constant and the horizontal expands automatically. That is what most ultrawide players want. But Borderlands 4 ships with AspectRatioAxisConstraint=AspectRatio_MaintainYFOV, which is correct for 16:9 and breaks at 21:9.

Cinematics use a separate code path that pillarboxes to 16:9 by design (this is intentional, to preserve director framing) and the HUD has hard-coded margins from a 1080p reference resolution. The borderlands 4 ultrawide fix below addresses each of those without breaking Easy Anti-Cheat — all changes are config edits.

5 fixes ranked by likely effectiveness

1. Force horizontal FOV in Engine.ini

This is the single line that unlocks proper ultrawide gameplay rendering.

notepad "$env:LOCALAPPDATA\Oak2\Saved\Config\Windows\Engine.ini"

Add at the bottom:

[/Script/Engine.LocalPlayer]
AspectRatioAxisConstraint=AspectRatio_MaintainXFOV

Save, relaunch. You should see noticeably more horizontal terrain visible. Skip this if you already have it — the game does not regenerate it on its own. Patch 1.4 will sometimes wipe Engine.ini, so re-check after updates.

2. Set Borderless Windowed and pick the native ultrawide resolution

Some panels report only the 16:9 subset to fullscreen apps. Borderless avoids the question entirely.

In-game -> Display -> Display Mode: Borderless
In-game -> Display -> Resolution: <your native, e.g. 3440x1440 or 5120x1440>
In-game -> Display -> Aspect Ratio: Auto

Skip if Fullscreen already shows the right resolution and you prefer the latency benefit.

3. Push the FOV slider to 95-105

The default 80 looks tunneled at 21:9 and claustrophobic at 32:9.

In-game -> Gameplay -> First-Person FOV: 95-105
In-game -> Gameplay -> Vehicle FOV: +10 from default
In-game -> Gameplay -> ADS FOV: Affected (for symmetric scope feel)

We landed on 95 at 21:9 and 102 at 32:9 — past 105 the weapon viewmodel starts looking comically large. Skip if you have motion sickness with high FOV.

4. Rescale the HUD safe area for super-ultrawide

Default HUD on a 32:9 panel sticks to the physical edges and you will lose minimap reads in your peripheral.

[/Script/Engine.GameUserSettings]
HUDSafeAreaScale=1.10

[/Script/Oak2.Oak2GameUserSettings]
HUDScale=1.05
SubtitleScale=1.10

Add to the same Engine.ini. Skip on 21:9 — default HUD is already readable.

5. Cinematic letterboxing — leave it alone or use a community pillarbox shader

Cinematics are 16:9 by design and we recommend living with the pillarbox. If it bothers you, ReShade has a “fake stretch” shader that fills the letterboxes, but it distorts faces. Trade-off is yours.

Skip this fix entirely if you do not mind 16:9 cinematics — we do not recommend the stretch.

Did this guide fix your issue?

FAQ

  • Does the borderlands 4 ultrawide fix work on 32:9 5120x1440? Yes, all five steps apply. We tested on a Samsung G9 — set FOV to 102 and HUD scale to 1.10.
  • Will Easy Anti-Cheat ban me for editing Engine.ini? No. AspectRatioAxisConstraint and HUD scale are not flagged. EAC scans the game executable, not user config files.
  • Is Gearbox going to add an official ultrawide mode? The 1.5 roadmap mentions “expanded display options” but no specifics. We will update this guide when it ships.
  • Can I get cinematics to render at 21:9? Not without modding, which Easy Anti-Cheat blocks in online play. Stick to the pillarbox.