Quick answer: Enable a pseudolocale early that expands string length, adds accents and brackets each string, so you find overflow, hardcoded text and encoding bugs before any real translation exists.
Waiting for real translations to test layout means finding overflow bugs at the worst time. A pseudolocale exposes them on day one. Here is how.
How to fix it
1. Generate an expanding pseudolocale
Transform every string to be 30-50% longer with accented characters and surrounding brackets, so overflow, truncation and clipping show up against your current UI immediately.
2. Bracket strings to spot missing extraction
Wrap each pseudo string in visible markers like [[ ]]; any unbracketed English text on screen was never extracted and is a hardcoded-string bug.
3. Run pseudoloc in CI screenshots
Capture key screens under the pseudolocale automatically so layout regressions are caught on every build rather than during a late localization QA pass.
Catching the ones you can't reproduce
The hardest version of this to fix is the one you can't reproduce — it only happens on a player's hardware, OS, driver, or save state, under conditions that simply aren't present on your machine. A report that says “it crashed” or “it froze” gives you nothing to act on, so the bug survives release after release while quietly costing you players.
Automatic error capture closes that gap. Each failure arrives with its full stack trace, the device and OS, the build number, and a breadcrumb trail of what the player did right before it broke, so even a failure you have never seen becomes a specific, reproducible issue. Fold identical failures into one signature ranked by how many players each hits, and your worklist sorts itself worst-first instead of arriving as a stream of vague complaints.
This is where a tool like Bugnet earns its place. Its SDK captures every error automatically with the full stack trace plus device, OS, memory, build, and game-state context, folds duplicates into one grouped issue with an occurrence count, and ties each to the build it first appeared on — so you fix the problem that hurts the most players first and confirm it is gone when its signature disappears from the next release.
The errors you never hear about are the ones quietly costing you players. Visibility turns them into a worklist.