[Nexus 5 Android Development] JohnyRi:
Yep, same problem here. Tried reinstalling Swiftkey. Going back to previous build resulting in bootloop.

Here is log, covering a issue. It is not only matter of facebook messenger:

07-08 00:13:47.253: E/MediaPlayer(4530): Should have subtitle controller already set

07-08 00:13:47.533: D/dalvikvm(1827): GC_FOR_ALLOC freed 3300K, 51% free 11718K/23516K, paused 18ms, total 18ms

07-08 00:13:47.553: E/SpannableStringBuilder(4530): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

07-08 00:13:47.553: E/SpannableStringBuilder(4530): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

07-08 00:13:47.563: I/Choreographer(1827): Skipped 36 frames! The application may be doing too much work on its main thread.

07-08 00:13:47.603: D/dalvikvm(1827): GC_FOR_ALLOC freed 2915K, 41% free 11732K/19764K, paused 15ms, total 15ms

07-08 00:13:47.653: D/dalvikvm(1827): GC_FOR_ALLOC freed 149K, 29% free 14136K/19764K, paused 12ms, total 12ms

07-08 00:13:47.663: I/dalvikvm-heap(1827): Grow heap (frag case) to 17.296MB for 2941936-byte allocation

07-08 00:13:49.493: D/dalvikvm(1797): GC_EXPLICIT freed 207K, 73% free 3052K/11060K, paused 0ms+1ms, total 9ms

07-08 00:13:49.813: D/dalvikvm(962): GC_EXPLICIT freed 516K, 6% free 131755K/139484K, paused 1ms+5ms, total 117ms

07-08 00:13:52.223: D/dalvikvm(4107): GC_EXPLICIT freed 903K, 5% free 30113K/31608K, paused 1ms+2ms, total 13ms

07-08 00:13:53.553: I/Adreno-EGL(1827): <qeglDrvAPI_eglInitialize:320>: EGL 1.4 QUALCOMM Build: I0404c4692afb8623f95c43aeb6d5e13ed4b30ddbDate: 11/06/13

07-08 00:13:53.633: W/ResourceType(1827): No package identifier when getting value for resource number 0x00000000

07-08 00:13:53.633: W/MultiViewSwitcher(1827): Animation not found

07-08 00:13:53.873: D/dalvikvm(1827): GC_FOR_ALLOC freed 3390K, 38% free 14131K/22640K, paused 17ms, total 18ms

07-08 00:13:54.153: E/SpannableStringBuilder(4530): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

07-08 00:13:54.153: E/SpannableStringBuilder(4530): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

07-08 00:13:54.373: W/ResourceType(1827): No package identifier when getting value for resource number 0x00000000

07-08 00:13:54.373: W/MultiViewSwitcher(1827): Animation not found

07-08 00:13:54.563: D/dalvikvm(1797): GC_EXPLICIT freed 229K, 73% free 3016K/11060K, paused 1ms+1ms, total 11ms

07-08 00:13:55.293: E/SpannableStringBuilder(4530): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

07-08 00:13:55.293: E/SpannableStringBuilder(4530): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

07-08 00:13:55.353: E/SpannableStringBuilder(4530): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

07-08 00:13:55.353: E/SpannableStringBuilder(4530): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

07-08 00:13:56.263: D/dalvikvm(962): GC_EXPLICIT freed 192K, 6% free 131732K/139484K, paused 2ms+4ms, total 122ms

07-08 00:13:58.693: D/dalvikvm(4107): GC_EXPLICIT freed 1125K, 5% free 30186K/31608K, paused 1ms+3ms, total 17ms

07-08 00:13:58.783: D/dalvikvm(1797): GC_EXPLICIT freed 194K, 73% free 3014K/11060K, paused 1ms+2ms, total 11ms

07-08 00:14:00.003: D/dalvikvm(2326): GC_FOR_ALLOC freed 523K, 70% free 3414K/11060K, paused 8ms, total 8ms

07-08 00:14:00.023: D/UpdateWidgetService(2326): Updating widget using Alarm

07-08 00:14:00.043: D/ThemeWidgetDao(2326): getWidgetTheme::widgetId = 4 and themeId in (select _id from Theme where type = 3 )

07-08 00:14:00.053: D/TimeService(2326): Updating widget using TimeTick

07-08 00:14:00.073: D/ThemeWidgetDao(2326): getWidgetTheme::widgetId = 4 and themeId in (select _id from Theme where type = 1 )

07-08 00:14:02.433: D/dalvikvm(962): GC_EXPLICIT freed 158K, 6% free 131728K/139484K, paused 8ms+4ms, total 133ms

07-08 00:14:03.923: D/dalvikvm(1797): GC_EXPLICIT freed 195K, 73% free 3011K/11060K, paused 1ms+1ms, total 9ms

07-08 00:14:10.973: D/AwesomePlayer(228): Before reset_l

07-08 00:14:10.993: D/audio_hw_primary(228): select_devices: out_snd_device(2: speaker) in_snd_device(0: )

07-08 00:14:10.993: E/MediaPlayer(4530): Should have subtitle controller already set

07-08 00:14:11.183: W/IdleConnectionHandler(4530): Removing a connection that never existed!

07-08 00:14:11.183: W/IdleConnectionHandler(4530): Removing a connection that never existed!

07-08 00:14:11.223: W/View(4530): requestLayout() improperly called by com.facebook.widget.animatablelistview.j{42adb7a8 V.E..... ......ID 0,0-1080,127} during layout: running second layout pass