Insync can't open UI or blank UI (fix) (systems with glibc 2.34)

glibc 2.34 tries to use the clone3 syscall to create threads, creating an incompatibility with chromium/qtwebengine when it tries to run under a sandboxed environment. Until qtwebengine is updated to fallback to clone, use this:

QTWEBENGINE_CHROMIUM_FLAGS="–no-sandbox" insync start

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Let me forward this to our engineers, @insilications. Thank you for sharing this!

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I’m still affected from this bug in 2026…
OS Manjaro linux unstable branch (like Arch)
insync version 3.9.8.60034
glibc 2.42+r51+gcbf39c26b258

Hi @Guido_Iodice , my apologies for this long-standing issue! I’ve followed this up once again with our engineers.