Quick answer: Godot 4 encrypted PCK leaving .tres files unencrypted? Some resource formats opt out of encryption - convert to binary format or check the .tres flag.
PCK encrypted; opening with godotpcktool reveals raw .tres files.
Convert to .res
Binary resource format; encryption applied. Convert via editor.
Or audit encryption per format
Engine docs list per-format encryption support. Mismatches surface; address.
Strip from PCK
For sensitive .tres, ship separately encrypted; load at runtime.
“PCK encryption is selective. Some formats opt out.”
If you encrypt for IP protection, audit what's actually encrypted. Document; verify.