Spent 4 hours chasing a ghost in VIA layout

I was trying to get a custom split spacebar working on my new build and kept getting random key presses. Turns out I had a bad solder joint on the right side that only showed up when the board flexed a tiny bit. Has anyone else spent way too long debugging something that was just a cold joint?

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the_wesley2h ago

Man that hurts to read because I just did the same thing with a Corne build last week. I spent like 6 hours swapping switches and flashing firmware thinking my layout file was corrupted. Turns out one of the diode legs on the left thumb cluster was barely touching the pad. I even reflowed every joint twice before I noticed the one stupid diode that looked fine but was just sitting there like a lazy friend. The worst part is that I kept blaming the PCB software like QMK or VIA was out to get me. Always the hardware man, always the simple dumb hardware mistake.