Two-Year Snapcraft Build Bug Fixed by Switching to kde-neon-6 Extension

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The Snapcraft build for open-source app Packet Sender had been broken for two years, crashing on launch due to a missing shared library file called libpxbackend-1.0.so. Initial attempts to fix the issue using LD_LIBRARY_PATH environment variables and swapping Qt library versions, including a suggestion from AI tool Grok, failed to resolve the crash. The breakthrough came when contributor Dan Nagle recommended adopting the kde-neon-6 Snapcraft extension, which bundles a fully configured Qt 6 stack with correctly staged shared libraries. Because the extension already manages the required Qt 6 dependencies, most manually listed stage-packages and build-packages could be removed, and the build system was migrated to CMake. The fix reduced the final executable size by roughly 96 percent, shrinking it from 165MB to just under 6MB.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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