I've used both the 0.4 release, and the latest commit and corebird seems to crash randomly for me. I've run it in gdb and received a partial stack trace. I'll install all the required debuginfos tomorrow and re-generate it. Have you seen these crashes though?
Program received signal SIGSEGV, Segmentation fault.
0x0000000000427b0f in ____lambda61_ (_data11_=0x37284a0, w=0x7ffff0006a60)
at /home/asinha/rpmbuild/SOURCES/corebird-432f3f101fe351927fba4c30f19ffdb2e0282280/src/HomeTimeline.vala:96
96 if (tle.tweet.id == id) {
Missing separate debuginfos, use: debuginfo-install GConf2-3.2.6-7.fc20.x86_64 PackageKit-gtk3-module-0.8.12-1.fc20.x86_64 adwaita-gtk3-theme-3.10.0-1.fc20.x86_64 at-spi2-atk-2.10.0-1.fc20.x86_64 at-spi2-core-2.10.1-1.fc20.x86_64 atk-2.10.0-1.fc20.x86_64 cairo-1.13.1-0.1.git337ab1f.fc20.x86_64 cairo-gobject-1.13.1-0.1.git337ab1f.fc20.x86_64 dbus-glib-0.100.2-2.fc20.x86_64 dbus-libs-1.6.12-1.fc20.x86_64 dconf-0.18.0-2.fc20.x86_64 expat-2.1.0-7.fc20.x86_64 fontconfig-2.11.0-1.fc20.x86_64 freetype-2.5.0-4.fc20.x86_64 gdk-pixbuf2-2.30.0-1.fc20.x86_64 glib-networking-2.38.1-1.fc20.x86_64 glib2-2.38.1-1.fc20.x86_64 glibc-2.18-11.fc20.x86_64 gmp-5.1.2-2.fc20.x86_64 gnome-keyring-3.10.0-1.fc20.x86_64 gnutls-3.1.15-1.fc20.x86_64 gtk3-3.10.2-2.fc20.x86_64 gvfs-1.18.2-1.fc20.x86_64 harfbuzz-0.9.23-1.fc20.x86_64 json-glib-0.16.2-1.fc20.x86_64 libX11-1.6.1-1.fc20.x86_64 libXau-1.0.8-2.fc20.x86_64 libXcomposite-0.4.4-4.fc20.x86_64 libXcursor-1.1.14-2.fc20.x86_64 libXdamage-1.1.4-4.fc20.x86_64 libXext-1.3.2-2.fc20.x86_64 libXfixes-5.0.1-2.fc20.x86_64 libXi-1.7.2-2.fc20.x86_64 libXinerama-1.1.3-2.fc20.x86_64 libXrandr-1.4.1-2.fc20.x86_64 libXrender-0.9.8-2.fc20.x86_64 libXxf86vm-1.1.3-2.fc20.x86_64 libbluray-0.2.3-3.fc20.x86_64 libcanberra-0.30-4.fc20.x86_64 libcanberra-gtk3-0.30-4.fc20.x86_64 libcroco-0.6.8-3.fc20.x86_64 libdrm-2.4.46-2.fc20.x86_64 libffi-3.0.13-5.fc20.x86_64 libgcc-4.8.2-1.fc20.x86_64 libgee-0.12.0-1.fc20.x86_64 libjpeg-turbo-1.3.0-1.fc20.x86_64 libmodman-2.0.1-7.fc20.x86_64 libnotify-0.7.6-1.fc20.x86_64 libogg-1.3.0-6.fc20.x86_64 libpng-1.6.3-3.fc20.x86_64 libproxy-0.4.11-7.fc20.x86_64 librsvg2-2.40.0-1.fc20.x86_64 libselinux-2.1.13-19.fc20.x86_64 libsoup-2.44.1-1.fc20.x86_64 libstdc++-4.8.2-1.fc20.x86_64 libtasn1-3.3-2.fc20.x86_64 libtdb-1.2.12-2.fc20.x86_64 libtool-ltdl-2.4.2-21.fc20.x86_64 libvorbis-1.3.3-6.fc20.x86_64 libwayland-client-1.2.0-3.fc20.x86_64 libwayland-cursor-1.2.0-3.fc20.x86_64 libwayland-server-1.2.0-3.fc20.x86_64 libxcb-1.9.1-3.fc20.x86_64 libxkbcommon-0.3.1-1.fc20.x86_64 libxml2-2.9.1-2.fc20.x86_64 mesa-libEGL-9.2-1.20130919.fc20.x86_64 mesa-libGL-9.2-1.20130919.fc20.x86_64 mesa-libgbm-9.2-1.20130919.fc20.x86_64 mesa-libglapi-9.2-1.20130919.fc20.x86_64 nettle-2.6-3.fc20.x86_64 nss-mdns-0.10-13.fc20.x86_64 nss-softokn-freebl-3.15.2-2.fc20.x86_64 p11-kit-0.20.1-1.fc20.x86_64 p11-kit-trust-0.20.1-1.fc20.x86_64 pango-1.36.0-1.fc20.x86_64 pcre-8.33-2.fc20.1.x86_64 pixman-0.30.0-3.fc20.x86_64 rest-0.7.90-5.fc20.x86_64 sqlite-3.8.1-1.fc20.x86_64 systemd-libs-208-4.fc20.x86_64 xz-libs-5.1.2-6alpha.fc20.x86_64 zlib-1.2.8-3.fc20.x86_64
(gdb) where
#0 0x0000000000427b0f in ____lambda61_ (_data11_=0x37284a0, w=0x7ffff0006a60)
at /home/asinha/rpmbuild/SOURCES/corebird-432f3f101fe351927fba4c30f19ffdb2e0282280/src/HomeTimeline.vala:96
#1 0x0000000000427d32 in _____lambda61__gtk_callback (widget=0x7ffff0006a60, self=0x37284a0)
at /home/asinha/rpmbuild/SOURCES/corebird-432f3f101fe351927fba4c30f19ffdb2e0282280/src/HomeTimeline.vala:94
#2 0x0000003fff3a06ad in gtk_list_box_real_forall_internal () from /lib64/libgtk-3.so.0
#3 0x0000000000428dd8 in home_timeline_real_stream_message_received (base=0xc96210, type=STREAM_MESSAGE_TYPE_DELETE, root=0x3727d60)
at /home/asinha/rpmbuild/SOURCES/corebird-432f3f101fe351927fba4c30f19ffdb2e0282280/src/HomeTimeline.vala:94
#4 0x000000000044de12 in imessage_receiver_stream_message_received (self=0xc96210, type=STREAM_MESSAGE_TYPE_DELETE, root_node=0x3727d60)
at /home/asinha/rpmbuild/SOURCES/corebird-432f3f101fe351927fba4c30f19ffdb2e0282280/src/IMessageReceiver.vala:20
#5 0x000000000044bfa0 in user_stream_parse_data_cb (self=0x8dc430, call=0xb78220,
buf=0x7fffffffb3d0 "{\"delete\":{\"status\":{\"id\":397802860366557184,\"user_id\":43115008,\"id_str\":\"397802860366557184\",\"user_id_str\":\"43115008\"}}}\r\n\377\377\177", length=123, _error_=0x0) at /home/asinha/rpmbuild/SOURCES/corebird-432f3f101fe351927fba4c30f19ffdb2e0282280/src/UserStream.vala:183
#6 0x000000000044a8aa in _user_stream_parse_data_cb_rest_proxy_call_continuous_callback (call=0xb78220,
buf=0x7fffffffb3d0 "{\"delete\":{\"status\":{\"id\":397802860366557184,\"user_id\":43115008,\"id_str\":\"397802860366557184\",\"user_id_str\":\"43115008\"}}}\r\n\377\377\177", len=123, _error_=0x0, weak_object=0xb78220, self=0x8dc430)
at /home/asinha/rpmbuild/SOURCES/corebird-432f3f101fe351927fba4c30f19ffdb2e0282280/src/UserStream.vala:78
#7 0x00000039514132d0 in g_cclosure_marshal_VOID__BOXEDv () from /lib64/libgobject-2.0.so.0
#8 0x00000039514104c7 in _g_closure_invoke_va () from /lib64/libgobject-2.0.so.0
#9 0x0000003951429749 in g_signal_emit_valist () from /lib64/libgobject-2.0.so.0
#10 0x000000395142a3af in g_signal_emit () from /lib64/libgobject-2.0.so.0
#11 0x00000034b1660079 in io_read () from /lib64/libsoup-2.4.so.1
#12 0x00000034b166049b in io_run_until () from /lib64/libsoup-2.4.so.1
#13 0x00000034b1660e87 in io_run () from /lib64/libsoup-2.4.so.1
#14 0x00000034b16610eb in io_run_ready () from /lib64/libsoup-2.4.so.1
#15 0x0000003951049266 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#16 0x00000039510495e8 in g_main_context_iterate.isra.23 () from /lib64/libglib-2.0.so.0
#17 0x000000395104969c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#18 0x0000003951c9c8c4 in g_application_run () from /lib64/libgio-2.0.so.0
#19 0x0000000000418d90 in _vala_main (args=0x7fffffffd818, args_length1=1)
at /home/asinha/rpmbuild/SOURCES/corebird-432f3f101fe351927fba4c30f19ffdb2e0282280/src/Corebird.vala:323
#20 0x0000000000418ddd in main (argc=1, argv=0x7fffffffd818) at /home/asinha/rpmbuild/SOURCES/corebird-432f3f101fe351927fba4c30f19ffdb2e0282280/src/Corebird.vala:317
(gdb)
This is only the first time that I've generated a stack trace for the crash. I'll run it in gdb continuously from tomorrow and see if it crashes in the same place each time.