[XPERIA X10 Q&A, Help & Troubleshooting] colossus:
Here's the changelog, it's provided in every new build.;)

cm7-022 final

-fixed deepsleep (use new provided baseband)

cm7-021 final

-updated kernel k11

-fixed small bugs

-latest cm7 patches

cm7-020c

-disabled menukey unlock

-added usb teter

-added power profiles

cm7-020b

-fixed a litle more bugs

-reverted sensors to compatibility mode (proximity works)

-set default clock to 998 for better battery

-Added SpareParts

kernel-010

-kernel 2.6.29.6

-a lil more free ram ;)

-removed UV for 998Mhz (seems to be the cause reboots)

-Fix FrameCap (Thank Z)

-addded all mtd partitions (Thank Z)

cm7-020a

-enabled screenlights

-added LiveWallpaperPicker (download wallpapers from market)

kernel-009

-in call volume boost

kernel-008

-compiled with new gcc 4.4.3

-changed SLAB alocator to SLOB

-enabled swap support

-added Tiny RCU

-added UV/OC

-FPS cap removed (still limited by GB)

-fixed iptables

cm7-020

-removed nano

-removed bash (using standard sh)

-fixed Dalvik crash

-fixed Droidwall

-new google apps integrated in rom

-fixed libv8 that was crashing libwebcore

kernel-007

-fixed kgsl for 1% performance gain

-fixed iptables for droidwall

-increased GPY mem from 2 to 5 mb

-removed overclock

-removed undervolt

-Replace the implementation of the fsync(), fdatasync() and sync_file_range() with no-op.

-writeback: change default dirty memory settings

-use CFS scheduler

-added cpu compiler optimisation

-moved android console at lower address

-reclaimed 1mb unused shared ram

cm7-019

-rebuilt from stable tree 7.0.3

-compiled new WIFI optimised module

-rebuilt entire device tree

-fixed vibrator

-Added SeTorch App Fork

-fixed reboot loop on battery power

-fixed webcore (hopefuly will stop wlods)

cm7-018

-fixed keyboard

-fixed WLOD (at least i hope)

-new initrd

-various fixes

-removed themes for now

cm7-017

-updated to latest 7.0.2 CM Sources

-fixed notification light on time

cm7-016a

-fixed camera app

-fixed apps2sd

-fixed wifi passwords

-fixed camera a lil more

kernel-006

-increased charging curent to 500mA (USB Recomended current)

-fixed missing modules

-reboot on battery less then 10%

-fixed OC/UV

cm7-016

-added SVG to browser

-added kernel k005

-added new wifi module

-reverted wpa_supplicant to se version

-stock CM7 ADW Launcher

-stock CM7 wallpapers

-updated to latest google maps

-WIFI

kernel-005

-various fixes

-memory relocation according to standard 8k memory map

-removed smi

-removed kgsl

-removed partialy fps cap (gb seems not to be affected)

kernel-003

-started from scratch

-Wlan fixed (use included wifi.ko)

-gps fix

-undervolt

-overclock

-cpu cahe fix

-removed cdrom

kernel-002- Q8650BSDCAALZA2140

-new usb modes (for tether)

-added APM

-removed FB Console

-enabled all freq in freq table for better scalling

-increased scaling speed between freq for better response

-new initrd

-cpu voltage tweaks

-increased freq granulatiry (128khz steps)

-added zottd cache fix (will boost performance on emulators)

cm7-015

-camera fix (less errors)

-flashlight fix

-widget fix

-latest final CM7 sources

-added browser

kernel-002

-gps fix

-lcd backlight resume fix

kernel-001

-tun/tap

-dmmod

-dmcrypt

-1.1 ghz frequency

-undervolt

-ondemand cpu scaller (default)

-camera debug messages

-netfilter

small progress on v14 alpha

-some small camera fixes

-custom kernel with 1.1Ghz Clock (default kernel)

-on demand spuscaller

-all addon modules included into kernel

-new wifi module compiled from source

-fixed BUG usb safe to remove

-fixes lots os crashes in su apps

-SDCard performance tweak

-silent bootloader (no more mesages)

-reduced kernel boot time

-added wifi

-removed browser

-added firefox

-default kernel se kenrel

cm7RC4-013

-fixed gralloc

-reverted to standard audio policy

-added missing copybit (camera fix)

-updated to lastes rc4 wich has lots of fixes

-added Spareparts

-wifi mac

CM7-012a

fixed all reported bugs

CM7-012

-possible wlod fix

-performace tweak

-various fixes

-new wifi module (enable wifi at first boot)

CM7-011

-system crash no longer needed on first boot

-reverted sensors to precompiled so that we have proximity working

-reverted precompiled su

-modified audiopolicy and now we should not have lower ringer volume

-added custom kernel and set it at optional

CM7-010a

-corrected missing keylayout

-removed noads patch (lets see if it fixes wlods)

-added auto permision checking at boot

-moved gapps to separate file (lets see if it fixes wlods)

CM7-010

-wifi-added atheros sources

-corected inital ringtone

-patched lights module notification lights for RGB

-initial sensor source(we are no longer using se precompiled sensors)/ light and proximity dont work for now

-corrected axes for akmd in sensor

-added our beloved lv5219lg lightsensor in liblights and removed it from libsensors (nice setup !)

-busybox compiled from source

-camera is kind of working (image not usable yet) thanks bojojo2020

-patched buton lights (we dont have an lightsensor in sensors)

CM7-009

-audio and video streaming

CM7-008a

-bt from source

-wifi from source

-usb mount

CM7-008

-moved to CM7 RC2

-libcamera built from source (thanks acerliqiuid team)

-reverted prelink close to standard

-new omx from passion GRI40

-new stagefrighthw from GRI40

-some progress on camera (no error / no image)

-readded CMStats (fix FC in settings )

-added missing wallpaper in launcher (fix FC on select)

-added bladewififix

-updated Gapps to 20110307

-wifi fixes (reduced wifi errors)

-ramdisk cleanup

-download cache moved to /cache/download

-recovery moved to /system/recovery this way you can install any busybox version (thanks Androxyde)

CM7-007

-speedup renedering

-patched prelink again

-odexed everithing to speedup

-little more work on camera

-removed pv support (opencore is removed from GB)

-recompiled modules

-added tunnel module for openvpn

-fixed browser crash

-removed launcher wallpapers

CM7-006

-wifi will autoreconect

-fixed gralloc

-if backlights is not starting when you press power goto settings and enable auto backlight

-omx partialy fixed

CM7-005

-updated cm to 2.3.3

-fixed build tree (no more reboots)

-SETorch (Fork from Torch)

-SECmparts (Fork form CMParts)

-rebuilt xRecovery (smaller/cleanner)

-rebuilt kernel modules

-rebuilt wifi module

CM7-004

-updated gmail to 2.3.4.1

-fixed reboots

-rild now is again compiled from source

-patched prelink again

CM7-003

-cleanup time(removed all hardlinks)

-fully integrated in cyanogen build tree

-testing video codecks one by one to debug them

-removed all included apps (you find them in app folder)

-added new musc3

-removed tethering from settings

-disabled all animation (default)

-corected prelink map

-initial changes for hardware encoder (for camera)

-added omx tests (for video debuging)

-completely removed PV

CM7-002

-fixed missing SetupWizard

-fixed CMParts

CM7-001

-first port including all 1-17 aosp fixes

-added offline charging

-corrected gralloc

-removed ADW Launcher

-disabled all animations (enable them from settings)

And for j002......

CM7.1.0 RC0 J002

-standard DPI 240 ( breaks some apps)

-fixed WLOD

-increased speed

CM7.1.0 RC0 J001

-applied all X10 fixes

-kernel k011

-lowered DPI to 210

kernel-010

-kernel 2.6.29.6

-a lil more free ram ;)

-removed UV for 998Mhz (seems to be the cause reboots)

-Fix FrameCap (Thank Z)

-addded all mtd partitions (Thank Z)

-in call volume boost

-compiled with new gcc 4.4.3

-changed SLAB alocator to SLOB

-enabled swap support

-added Tiny RCU

-FPS cap removed (still limited by GB)

-fixed iptables

-fixed kgsl for 1% performance gain

-fixed iptables for droidwall

-increased GPY mem from 2 to 5 mb

-Replace the implementation of the fsync(), fdatasync() and sync_file_range() with no-op.

-writeback: change default dirty memory settings

-use CFS scheduler

-added cpu compiler optimisation

-moved android console at lower address

-reclaimed 1mb unused shared ram

-increased charging curent to 400mA

-fixed missing modules

-reboot on battery less then 10%

-various fixes

-memory relocation according to standard 8k memory map

-removed smi

-removed kgsl

-removed partialy fps cap (gb seems not to be affected)

-Wlan fixed (use included wifi.ko)

-gps fix

-undervolt

-cpu cahe fix

Bet you wished you hadn't asked now.:D