[Sony Xperia P, U, Sola, Go] Nathanael_Mtd:
You can update to the last Build automatically with OpenDelta on Settings > About > System Updates

Links:

HubDroid CM11 Nightlies homepage: http://builds.hubdroid.com/cm11/nightlies/final/

Mirror: http://mirror.hubdroid.com/cm11/nightlies/final/

Xperia U (Development Thread):

HubDroid page: http://builds.hubdroid.com/cm11/nightlies/final/kumquat/

Mirror: http://mirror.hubdroid.com/cm11/nightlies/final/kumquat/

Xperia P (Development Thread):

HubDroid page: http://builds.hubdroid.com/cm11/nightlies/final/nypon/

Mirror: http://mirror.hubdroid.com/cm11/nightlies/final/nypon/

Xperia Sola (Development Thread):

HubDroid page: http://builds.hubdroid.com/cm11/nightlies/final/pepper/

Mirror: http://mirror.hubdroid.com/cm11/nightlies/final/pepper/

Xperia Go (Development Thread):

HubDroid page: http://builds.hubdroid.com/cm11/nightlies/final/lotus/

Mirror: http://mirror.hubdroid.com/cm11/nightlies/final/lotus/

Changelog for Xperia U, Sola & Go:

[B]Weekly FINALE[/B]
- Final CyanogenMod 11.0 build
- CyanogenMod 11.0 sources updated to 2015/06/25

Bugs & Todo:

[B][U]Xperia U / P / Sola / Go:[/U][/B]
- A2DP
- FM Radio
- Bugs reported

Old changelogs:

[HIDE]
[B]Weekly 2015/03/28 (XU: 40 - XSola: 38 - XGo: 31)[/B]
- Last TWRP version (probably)
- Many CM fixes like SystemUpdateService fix
- CyanogenMod 11.0 sources updated from 2015/01/25 to 2015/03/27

[B]Weekly 2015/01/25 (XU: 39 - XSola: 37 - XGo: 30)[/B]
- BlueZ 5.23
- TWRP 2.8.4.0
- Memory tweaks
- CyanogenMod 11.0 sources updated to 2015/01/25

[B]Weekly 2014/12/14 (XU: 37 - XSola: 35 - XGo: 28)[/B]
- Only some CyanongenMod fixes
- CyanogenMod 11.0 sources updated to 2014/12/14

[B]Weekly 2014/12/07 (XU: 36 - XSola: 34 - XGo: 27)[/B]
- CyanogenMod 11.0 sources updated to 2014/12/07

[B]Weekly 2014/11/30 (XU: 35 - XSola: 33 - XGo: 26)[/B]
- Illumination Bar fix for Xperia U DELETED !
- Bug about Display Settings fixed (because LED bar fix deleted)
- CyanogenMod 11.0 sources updated to 2014/11/30
[B]Weekly 2014/11/23 (XU: 34 - XSola: 32 - XGo: 25)[/B]
- Illumination Bar fix for Xperia U (See Xperia U development thread)
- CyanogenMod 11.0 sources updated to 2014/11/23

[B]Weekly 2014/11/16 (XU: 33 - XSola: 31 - XGo: 24)[/B]
- GPS Fix ! (Really now)
- Some other fixes
- CyanogenMod 11.0 sources updated to 2014/11/09

[B]Weekly 2014/11/09 (XU: 32 - XSola: 30 - XGo: 23)[/B]
- GPS Fix ! (Really now)
- Some other fixes
- CyanogenMod 11.0 sources updated to 2014/11/09
[B]Weekly 2014/11/02 (XU: 31 - XSola: 29 - XGo: 22)[/B]
- CyanogenMod 11.0 sources updated to 2014/11/02

[B]Weekly 2014/10/19 (XU: 29 - XSola: 27 - XGo: 20)[/B]
- CyanogenMod 11.0 sources updated to 2014/10/19

[B]Weekly 2014/10/12 (XU: 28 - XSola: 26 - XGo: 19)[/B]
- Twitch fix
- CyanogenMod 11.0 sources updated to 2014/10/12

[B]Weekly 2014/10/05 (XU: 27 - XSola: 25 - XGo: 18)[/B]
- YouTube fix
- CyanogenMod 11.0 sources updated to 2014/10/05

[B]Weekly 2014/09/21 (XU: 26 - XSola: 24 - XGo: 17)[/B]
- CyanogenMod 11.0 sources updated to 2014/09/28

[B]Weekly 2014/09/21 (XU: 25 - XSola: 23 - XGo: 16)[/B]
- Bluez updated to version 5.23
- TWRP updated to version 2.8
- CyanogenMod 11.0 sources updated to 2014/09/21

[B]Weekly 2014/09/14 (XU: 24 - XSola: 22 - XGo: 15)[/B]
- TWRP updated to version 2.8
- CyanogenMod 11.0 sources updated to 2014/09/14

[B]Weekly 2014/09/07 (XU: 23 - XSola: 21 - XGo: 14)[/B]
- CyanogenMod 11.0 sources updated to 2014/09/07

[B]Weekly 2014/08/31 (XU: 22 - XSola: 20 - XGo: 13)[/B]
- Xperia STE logo on Settings is back
- CyanogenMod 11.0 sources updated to 2014/08/31

[B]Weekly 2014/08/24 (XU: 21 - XSola: 19 - XGo: 12)[/B]
- CyanogenMod 11.0 sources updated to 2014/08/24

[B]Weekly 2014/08/17 (XU: 20 - XSola: 18 - XGo: 11)[/B]
- CyanogenMod 11.0 sources updated to 2014/08/17

[B]Weekly 2014/08/10 (XU: 19 - XSola: 17 - XGo: 10)[/B]
- Bluez updated to version 5.22
- TWRP updated
- CyanogenMod 11.0 sources updated to 2014/08/10

[B][U]Xperia U:[/U][/B]
[B]Build 18 (2014-08-02):[/B]
- TWRP updated
- Fixed receiving of all types of files via Bluetooth
- libmedia with audio parameter
- New audio resampler
- Testing sco audio blob for Bluetooth
- Updated CM 11 Sources to 2014/08/03
[B]Build 17 (2014-07-27):[/B]
- Kernel bootrec fix (Recovery fix)
- Updated CM 11 Sources to 2014/07/27
[B]Build 16 (2014-07-20) [/B]
- Updated CM 11 Sources to 2014/07/20
[B]Build 14/15 (2014-07-13) [/B]
- Some fixes (probably)
- Updated CM 11 Sources to 2014/07/13
[B]Build 13 (2014-07-06) [/B]
- Goodbye OTA Updater ! Hello OpenDelta ! :)
- Netflix fix
- Updated CM 11 Sources to 2014/07/06
[B]Build 12 (2014-06-29) [/B]
- We use TWRP now !
- Update kernel toolchain
- Updated CM 11 Sources to 2014/06/29
[B]Build 11 (2014-06-22) [/B]
- Android 4.4.4
- BlueZ 5.20
- Patch Towelroot
- Logo in Settings > About phone
- Updated CM 11 Sources to 2014/06/22
[B]Build 10 (2014-06-15) [/B]
- Improve Audio effects
- Allow EGL hibernation
- Fix bootanimation stutters
- Add 1024 free extra kbytes (RAM)
- Enable zRAM (64MB)
- Read only 1 page cluster at a time
- Enable option to wake device using volume rocker
- Start Dalvik with a low memory footprint
- Re-enable JIT cache
- Decrease minimum brightness avalaible
- Updated CM 11 Sources to 2014/06/15
[B]Build 9 (2014-06-08) [/B]
- Android 4.4.3
- CWM 6.0.4.9
- Fixed video recording
- Reduced animation scales to 0.75
- Adapted RIL to STE
- Added stereo widening effect
- Improved rotation time
- Restored original autobrightness speed
- Deferred KSM timer enabled
- Built with Google GCC 4.8
- Patches from AOSX
- New OTA Updater Logo (our logo)
- Updated CM 11 Sources to 2014/06/08
[B]Build 8 (2014-06-01) [/B]
- Fixed games Force Close
- Updated ArchiDroid Optimizations to V3
- Changed build type: eng to user
- Updated BlueZ to 5.19
- OMX updates
- Added initial F2FS support
- Made keyboard service persistent
- Added Battery LED control in Settings
- Tuned ActivityManager & LMK to allow more memory to be used by processes
- Fixed LED on boot
- Fixed Reboot to Recovery
- Updated CM 11 Sources to 2014/06/01
[B]Build 7 (2014-05-21) [/B]
- System compiled with Linaro GCC 4.8
- Kernel compiled with Linaro 4.9.1 toolchain (optimized for Cortex A9 - Thanks @Christopher83)
- Optimized flags (Thanks @JustArchi)
- Updated CM 11 Sources to 2014/05/21
[B]Build 6 (2014-05-17) [/B]
- Fix memory leaks
- Xperia STE bootsplash
- Updated cm-11 Sources to 2014/05/17
[B]Build 5 (2014-05-13) [/B]
- SystemUI hangs fixed
- Updated cm-11 Sources to 2014/05/13
[B]Build 4 (2014-05-08) [/B]
- Less memory leaks (SystemUI hangs)
- Some new video/audio codecs
- Updated CM 11 Sources to 2014/05/08
[B]Build 3 (2014-05-06) [/B]
- Device tree, kernel and vendor updated from AOSX (thanks to AOSX team)
- Adapt gralloc, copybit, hwcomposer, stelpcutils, memtrack from sources
- BlueZ updated to 5.18 (Full Stable FTP)
- Fix call via bluetooth
- CWM touch Recovery 6.0.4.8 (updated)
- Updated cm-11 Sources to 5/6/2014
- OTA integrated in Settings > About (and deleted from launcher)
[B]Build 2 (2014-05-02) [/B]
- Updated CM11 sources
- Fixed status bar reboots
- RAM management and performance improved
- WiFi passwords keeped after reboot
- App2SD working after reboot
- OTA Updater added
[B]Build 1 (2014-04-29):[/B]
- Updated CM11 sources
- CWM Recovery 6.0.4.8

[B][U]Xperia Sola:[/U][/B]
[B]Build 16 (2014-08-02) [/B]
- TWRP updated
- Fixed receiving of all types of files via Bluetooth
- libmedia with audio parameter
- New audio resampler
- Testing sco audio blob for Bluetooth
- Updated CM 11 Sources to 2014/08/03
[B]Build 15 (2014-07-27) [/B]
- Kernel bootrec fix (Recovery fix)
- Updated CM 11 Sources to 2014/07/27
[B]Build 14 (2014-07-20) [/B]
- Updated CM 11 Sources to 2014/07/20
[B]Build 12/13 (2014-07-13) [/B]
- Some fixes (probably)
- Updated CM 11 Sources to 2014/07/13
[B]Build 11 (2014-07-06) [/B]
- Goodbye OTA Updater ! Hello OpenDelta ! :)
- Netflix fix
- Updated CM 11 Sources to 2014/07/06
[B]Build 10 (2014-06-29) [/B]
- We use TWRP now !
- Update kernel toolchain
- Updated CM 11 Sources to 2014/06/29
[B]Build 9 (2014-06-22) [/B]
- Android 4.4.4
- BlueZ 5.20
- Patch Towelroot
- Logo in Settings > About phone
- Updated CM 11 Sources to 2014/06/22
[B]Build 8 (2014-06-16) [/B]
- Improve Audio effects
- Allow EGL hibernation
- Fix bootanimation stutters
- Add 1024 free extra kbytes (RAM)
- Enable zRAM (64MB)
- Read only 1 page cluster at a time
- Enable option to wake device using volume rocker
- Start Dalvik with a low memory footprint
- Re-enable JIT cache
- Decrease minimum brightness avalaible
- Updated CM 11 Sources to 2014/06/15
[B]Build 7 (2014-06-08) [/B]
- Android 4.4.3
- CWM 6.0.4.9
- Fixed video recording
- Reduced animation scales to 0.75
- Adapted RIL to STE
- Added stereo widening effect
- Improved rotation time
- Restored original autobrightness speed
- Deferred KSM timer enabled
- Built with Google GCC 4.8
- Patches from AOSX
- Updated CM 11 Sources to 2014/06/08
[B]Build 6 (2014-06-02) [/B]
- Fixed games Force Close
- Updated ArchiDroid Optimizations to V3
- Changed build type: eng to user
- Updated BlueZ to 5.19
- OMX updates
- Added initial F2FS support
- Made keyboard service persistent
- Added Battery LED control in Settings
- Tuned ActivityManager & LMK to allow more memory to be used by processes
- Fixed LED on boot
- Fixed Reboot to Recovery
- Updated CM 11 Sources to 2014/06/02
[B]Build 5 (2014-05-21) [/B]
- System compiled with Linaro GCC 4.8
- Kernel compiled with Linaro 4.9.1 toolchain (optimized for Cortex A9 - Thanks @Christopher83)
- Optimized flags (Thanks @JustArchi)
- Updated CM 11 Sources to 2014/05/21
[B]Build 4 (2014-05-17) [/B]
- Fix memory leaks
- Xperia STE bootsplash
- Updated cm-11 Sources to 2014/05/17
[B]Build 3 (2014-05-15) [/B]
- SystemUI hangs fixed
- STE Multimedia [1/2] and UI performance Increased
- New theme Engine From CyanogenMod
- Updated cm-11 Sources to 5/15/2014
[B]Build 2 (2014-05-09) [/B]
- Less memory leaks (SystemUI hangs)
- Some new video/audio codecs
- Updated CM 11 Sources to 2014/05/09
[B]Build 1 (2014-05-07)[/B]
- Device tree, kernel and vendor updated from AOSX (thanks to AOSX team)
- OTA integrated in Settings > About
- Other things

[B][U]Xperia Go:[/U][/B]
[B]Build 9 (2014-08-03) [/B]
- TWRP updated
- Fixed receiving of all types of files via Bluetooth
- libmedia with audio parameter
- New audio resampler
- Testing sco audio blob for Bluetooth
- Updated CM 11 Sources to 2014/08/03
[B]Build 8 (2014-07-27) [/B]
- Kernel bootrec fix (Recovery fix)
- Updated CM 11 Sources to 2014/07/27
[B]Build 7 (2014-07-20) [/B]
- Updated CM 11 Sources to 2014/07/20
[B]Build 4/5 (2014-07-13) [/B]
- Some fixes (probably)
- Updated CM 11 Sources to 2014/07/13
[B]Build 3 (2014-07-06) [/B]
- Goodbye OTA Updater ! Hello OpenDelta ! :)
- Netflix fix
- Updated CM 11 Sources to 2014/07/06
[B]Build 2 (2014-06-16) [/B]
- Improve Audio effects
- Allow EGL hibernation
- Fix bootanimation stutters
- Add 1024 free extra kbytes (RAM)
- Enable zRAM (64MB)
- Read only 1 page cluster at a time
- Enable option to wake device using volume rocker
- Start Dalvik with a low memory footprint
- Re-enable JIT cache
- Decrease minimum brightness avalaible
- Updated CM 11 Sources to 2014/06/15
[B]Build 1 (2014-06-08) [/B]
- First build
- Android 4.4.3
- Updated CM 11 Sources to 2014/06/08[/HIDE]