[Galaxy A3, A5, A7, A8, A9 Original Android Develop] danwood76:
Changelog

Changes in the 09/07/19 release:
[INDENT]July Android Security Patch
LOS updates[/INDENT]

Older changes listed below:

Changes in the 23/06/2019 release:
[INDENT]camera: added new workaround to fix remaining HAL crashes (Google Camera should work now)
June Android security patch
LOS updates
[/INDENT]

Changes in the 16/05/2019 release:
[LIST]
[*]kernel: fixed non charging issue if USB is not plugged in for 20+ hours
[*]WiFI: fixed MAC address loading
[*]NFC: default to slower but more reliable firmware loading mechanism
[*]system: optimised the vfs_cache_pressure which improves FS performance and fixes most MTP issues
[*]vendor: Added missing magnetomoter configuration file
[*]vendor: Updated blobs to February security patch
[*]Android May security update
[/LIST]

Changes in the 08/04/2019 release:
[LIST]
[*]kernel: CPU governor updates and fixes (improved battery life)
[*]kernel: fix issues with WiFi connections dropping randomly due to ipreachability monitor failing incorrectly
[*]APN: added correct "La Poste" entries
[*]Android April security update
[/LIST]

Changes in the 10/03/2019 release:
[LIST]
[*]Kernel: Updated Android ION driver (should fix some ION crashes I have seen)
[*]Kernel: Updated Android Binder to a much more recent version (should speed up binder transactions and fix bugs)
[*]MDNIE: Fix accessibility SEPolicy so it actually works now
[*]Moved the BT calling fix into our local device tree (now building with no repo picks)
[*]Android March security update
[/LIST]

Changes in the 12/02/2019 release:
[LIST]
[*]Kernel patched up to version 3.10.108 (many security and stability fixes)
[*]USB MTP stability improvements
[*]Updated vendor blobs from A310FXXU4CRH1
[*]Updated gps config to use closest NTP server (thanks [MENTION=7377908]Borduni[/MENTION])
[*]Wired up MDNIE features
[*]LineageOS February security patches
[/LIST]

Changes in the 25/01/2019 release:
(Clean flash suggested as large update)
[LIST]
[*]New cleaner device tree and kernel (better performance/battery)
[*]New HWC/Gralloc (much better performance/battery and smoother UI)
[*]Finally fixed the Snapchat (and others) Audio distortion issue
[*]New camera wrapper (faster flashlight turn on and better bug fixes)
[*]LOS updates
[*]Probably some other fixes I have forgotten about
[/LIST]

Changes in the 12/01/2019 release:
[LIST]
[*]Faster NFC turn on
[*]Fixed camera wrapper (should not crash now)
[*]Updated WiFi driver (should improve battery usage)
[*]Fixed battery health save/restore (fixes battery level changing on reboot)
[*]January Andoird Security Patch
[/LIST]

Changes in the 27/11/2018 release:
[LIST]
[*]Added fix for BT headsets/devices that use the WBS profile
[*]Added call recorder fix
[*]November LOS security update
[/LIST]

Changes in the 09/11/2018 release:
[LIST]
[*]Bluetooth Call audio fixed (thanks @macs18max)
[*]Better 'cancelAutoFocus' camera fix
[*]LOS updates
[/LIST]

Changes in the 14/10/2018:
[LIST]
[*]Fix network data type selection (thanks @Borduni)
[*]Properly fix encryption
[*]Switch to using OSS mobicore drivers
[*]LOS October security patches
[/LIST]

Changes in the 28/09/2018 build:
[LIST]
[*]Switched back to open source power HAL
[*]Enabled more verbose camera debugging
[*]Latest LOS updates
[/LIST]

Changes in the 21/09/2018 build:
[LIST]
[*]Builds now signed with a private digital key
[*]Min CPU frequency increased back to 400MHz to stop music playback issues when screen is off
[*]Issue fixed with battery max_capacity being incorrectly set during boot
[*]AGPS now pulls data over SSL
[/LIST]

Changes in the 14/09/2018 build:
[LIST]
[*]Increased microphone volume of the camcorder and media recording profiles
[*]Fixed default power HAL profiles (restores performance and power saving in some modes)
[*]Fixed some default settings in the Power HAL
[*]Updated vendor blobs to A310FXXU4CRG2 (vendor security now 30/07/2018)
[*]September Android security patch
[*]LOS updates
[/LIST]

Changes in the 08/09/2018 build:
[LIST]
[*] Updated Mobicore (again) which improves battery and overall system stability
[*] Updated power profiles to latest
[*] Reapplied WiFi config update patches
[/LIST]

Changes in the 30/08/2018 build:
[LIST]
[*]Cleaned and upstreamed patches to Exynos7580 project (now clean builds from upstream repos)
[*]Video recording audio gains fixed
[*]Added patch required for encryption support (should allow encryption but not tested)
[*]Disabled DT2W for now as it seems to cause quite a few issues
[*]Added LOS updates
[/LIST]

Changes in the 26/08/2018 build:
[LIST]
[*]Added possible fix for low mic volumes in some apps
[*]Added fix for HAL1 camera recording in the august security update
[/LIST]

Changes in the 22/08/2018 build:
[LIST]
[*]Updated PowerHAL based on latest TeamNexus source
[*]Updated RIL blobs from A310FBTU3CQL2
[*]Updated power profiles so that the "ScreenOff" profile is almost the same as the "PowerSave" profile
[*]Android August security patch level
[/LIST]

Changes in the 03/08/2018 build:
[LIST]
[*]Disabled bioshock CPU governor as it really doesn't work well for common loads
[*]Fixed limiting of GPU speed in the Power HAL
[*]Created full set of power profiles (and fixed screen off profile)
[*]Fixed touch button LED state when waking up the device when they are disabled
[*]Added Double Tap to Wake setting in the display config menu (enabled by default)
[*]Updated the BCMDHD_1_77 WiFi driver from A3 2017 Oreo source (A320FLXXU2CRE3)
[*]Lots of kernel fixes (thanks again [MENTION=5925090]alexax66[/MENTION])
[*]LOS Updates
[/LIST]

Changes in the 29/07/2018 build:
[LIST]
[*]Created new HIDL based power HAL (thanks [MENTION=5925090]alexax66[/MENTION] for his input)
[*]Lots of Kernel bug fixes
[*]Partially reverted previous camera wrapper change
[*]Updated WiFi config
[*]Updated LOS
[/LIST]

Changes in the 13/07/2018 build:
[LIST]
[*]Kernel: Copy display colour correction tables from the A3 2017 to fix green tinge in low light mode
[*]Device: Updated cancel_auto_focus logic in camera wrapper to try and solve a battery drain issue
[/LIST]

Changes in the 11/07/2018 build:
[LIST]
[*]Kernel: ION allocator fixes
[*]Kernel: Sync binder with latest android-4.9-Oreo
[*]Kernel: Fix CPUFREQ memory leak
[*]Kernel: Underclock min frequency to 200MHz by default (more power saving)
[*]Device: Reverted brightness tables to that of 06/06/18
[*]Device: Suppressed camera logcat output
[*]Device: Updated to July security patch release
[/LIST]

Changes in the 05/07/2018 build:
[LIST]
[*]NFC wrapper added to aid in debugging issues
[*]NFC work around added for the startup issue
[*]Suppressed NFC logging output (it spews a lot of crap over logcat)
[*]Camera wrapper added to fix a couple of bugs in the HAL, some random lockups fixed, QR scanner now works (thanks [MENTION=5368296]sekil[/MENTION] for the initial wrapper)
[*]Switched to the Bioshock CPU governor as this really saves battery (thanks [MENTION=5918415]nr23730[/MENTION])
[*]Updated more mobicore blobs that seemd to have been missed from before
[*]Updated some GPS settings in the overlay
[*]Added updating of backlight brightness during doze to fix issues with dark notifications
[*]Added Sekils audio fix for libsec-ril.so blob
[*]Added lots of CVE patches to kernel
[*]Updated to latest LOS
[/LIST]

Changes in the 26/06/2018 build:
[LIST]
[*]Added latest audio fixes (thanks to stricted)
[*]Added exynos OMX blobs from stock to fix codec issue (thanks to stricted)
[*]Modified display colour temperature and LCD brightness logic
[*]Increased call volume on speaker phone
[*]Updated mobicore to latest A310F nougat versions
[*]Updated to latest LOS
[/LIST]

Changes in the 06/06/2018 build:
[LIST]
[*]Lots of kernel optimisations
[*]Interactive governor fixes (improves battery life and performance)
[*]Updated WiFi driver
[*]Fix headset microphone path
[*]Updated NFC blobs
[*]Tweaked screen auto brightness levels
[*]Lots of LineageOS fixes
[/LIST]