Balsa's gtk3 branch has seen some recent work to move calls to Gtk methods out of subthreads and into the main thread. This anticipates the deprecation of the GdkThreads API, but should also eliminate low-level X calls from subthreads, which have caused crashes for some users. To help track down the related code paths, a warning has been added to alert you to a use of the GdkThreads API from a subthread. If you use a threaded build from the gtk3 branch and you see such a warning, please let us know what you were doing at the time. A stack trace generated by running Balsa within gdb with the "--g-fatal-warnings" command-line argument is the most valuable information. Thanks for your testing! Peter
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