Quick answer: Record consequential choices in a persistent global store (an autoload or save file) keyed by a stable flag name, then read those flags wherever the consequence matters.
If sparing a character in chapter 1 has no effect in chapter 3, the choice lived in a scene that got freed. Here is how to persist decisions globally.
How to fix it
1. Store flags in an autoload
Write decisions to a persistent StoryFlags autoload, e.g. StoryFlags.set("spared_villain", true), not on the chapter scene.
2. Include flags in saves
Serialize the flag store into your save data so the consequence survives quitting and reloading mid-story.
3. Read flags at use sites
In later chapters, branch on the stored flags rather than any local variable, so the consequence reliably applies wherever it should.
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 Godot 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.