Hi! Since I updated to 16.04 Kdenlive is crashing everytime I try to import a file. The command line output I'm getting is:

[pedro@Pedro-PC ~]$ kdenlive
Removing cache at "/home/pedro/.cache/kdenlive-thumbs.kcache"
OpenGL vendor: "NVIDIA Corporation"
OpenGL renderer: "GeForce GTX 880M/PCIe/SSE2"
OpenGL ARG_SYNC: true
OpenGL OpenGLES: false
OpenGL vendor: "NVIDIA Corporation"
OpenGL renderer: "GeForce GTX 880M/PCIe/SSE2"
OpenGL ARG_SYNC: true
OpenGL OpenGLES: false
QXcbConnection: XCB error: 8 (BadMatch), sequence: 11344, resource id: 10486157, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 11371, resource id: 10486157, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 11470, resource id: 10486157, major code: 130 (Unknown), minor code: 3
[swscaler @ 0x7f04d07d2220] Warning: data is not aligned! This can lead to a speedloss
KCrash: Application 'kdenlive' crashing...
KCrash: Attempting to start /usr/lib/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0
QSocketNotifier: Invalid socket 6 and type 'Read', disabling...
QSocketNotifier: Invalid socket 54 and type 'Read', disabling...
QSocketNotifier: Invalid socket 58 and type 'Read', disabling...
QSocketNotifier: Invalid socket 62 and type 'Read', disabling...
QSocketNotifier: Invalid socket 16 and type 'Read', disabling...
QSocketNotifier: Invalid socket 59 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 56 and type 'Read', disabling...
QSocketNotifier: Invalid socket 61 and type 'Read', disabling...
pa_write() failed while trying to wake up the mainloop: Descriptor de fichero erróneo
pa_write() failed while trying to wake up the mainloop: Descriptor de fichero erróneo
pa_write() failed while trying to wake up the mainloop: Descriptor de fichero erróneo
Invalid write to eventfd: Descriptor de fichero erróneo
Code should not be reached at pulsecore/fdsem.c:199, function pa_fdsem_post(). Aborting.
Unable to start Dr. Konqi

Downgrading to older versions gets it working again, but I'd love to use some of the newer features like GPU effects and such. Any ideas on how to fix it?
Thanks!