[Xiaomi Mi Mix 2S ROMs, Kernels, Recoveries, & Othe] palaych:
Changelog:

V5.4:

Merge Linux version 4.9.173

Removed useless patches

Add COMPAT_VDSO

Other improves/fix

V5.3:

Merge Linux version 4.9.171

Merge CAF tag 'LA.UM.7.3.r1-07400-sdm845.0'

Merge some CAF / Google patches

Merge some LineageOS repo commits

techpack: audio: checkout dipper-p-oos

Update code drivers by sultanxda

Add KLAPSE

Many other improves/fix

V5.2:

Removed a lot of useless and harmful patches

Crypto upstream bump

dipper: fix gps

Update cpu boost driver by sultanxda

Some other fix/changes

V5.1:

Merge Linux version 4.9.166

Merge many CAF patch

Upstream Google Common 4.9

Compile with Clang 9.0.2

Fix deepsleep with 898000.qcom,qup_uart wakelock

Add API to mark IRQs and kthreads as performance critical

V5.0:

Full re-write kernel tree, cleaner tree, removed many patch (useless and unnecessary), many other changes (patch's)

Merge Linux version 4.9.164

Compile with Clang 9.0.1

Updated Boost Drivers by sultanxda

V4.9:

Fix last merge caf/als

Updated fs/f2fs (support F2FS_FS_VERITY)

Compile with Clang 8.0.9

V4.8:

Merge Linux version 4.9.161

Merge CAF tag 'LA.UM.7.3.r1-06900-sdm845.0'

V4.7:

Upstream Linux version 4.9.160

Update and clean cpu_input_boost / devfreq_boost drivers

Revert some tweaks

Some optimize in defconfig

Other tweaks/fix/etc..too lazy to write.

V4.6:

Merge Linux version 4.9.155

Merge some last LOS commits

Revert: 'Dynamic SchedTune Boost v3'

Update cpu_input_boost driver

Some merge fix in wlan driver

Update camera drivers (cleaned patch)

Other tweaks/fix/etc..too lazy to write.

V4.5:

Upstream Linux version 4.9.154

Merge last LOS commits

Add some tweaks/fix/etc..too lazy to write.

V4.4:

Merge tag 'LA.UM.7.3.r1-06700-sdm845.0'

Merge Linux version 4.9.152

tweaks tcp_westwood

Add Dynamic SchedTune Boost v3

merge some last los commits

revert gpu 180mhz

revert some sched tweaks

other changes/tweaks

V4.3:

Merge Linux Version 4.9.151

Compile with Clang 8.0.7 and GNU GCC 8.2.1, add optimize for sdm845

GPU UC 180Mhz (test)

Enable LZ4 compression

Some update dts to dipper-p-oos

Fix Kcal

DTS: Adjust Energy Model to be inline with Pixel 3 (test)

Tweak's sched

Other changes

Updated drivers camera (maybe full fix portret mode in miui camera)

Full re-write boot scripts

V4.2:

fix freeze (don`t work) potrait mode in miui camera

some change/tweaks

disabled some debug in defconfig

block kernel wakelock 898000.qcom,qup_uart by default

add sound control by flar2

V4.1:

Update Linux version 4.9.148

drivers camera: checkout dipper-p-oos (fix OIS)

Enable support xbox controller

Some changes in anykernel2 script

V4.0:

Rebase on pie source (based on Bruno Martins commits)

Merge CAF tag 'LA.UM.7.3.r1-06600-sdm845.o'

Upstream Linux version 4.9.147

Compiled with Clang 8.0.6

Optimize defconfig

Add Boeffla Wakelock Blocker

Enable support for NTFS r/w

Enable support for sdFAT filesystem

Backlight Minimum Brightness Control

Kcal Advances Color Control

Enable ttl target

Vibration Control

Add Maple I/O Scheduler

Add Wireguard Driver

Enable support Sony Dualshock PS3/PS4

Boost Drivers by sultanxda

Fix Source Code

Some tweaks for battery/performance

Work only on Android Pie

V3.7:

upstream linux version 4.9.141

update techpack/asoc/elliptic driver (use xiaomi pie source, fix proximity sensor on polaris pie)

revert some commits

revert updated hid_sony

tweaks tcp_westwood

add lshrti3 library function

V3.6:

upstream linux version 4.9.140

removed boost drivers by sultanxda and some others tweaks

enable support sony controller (usb)

compile with Linaro 7.3.1

V3.5:

compiled with GNU GCC 8.2

merge commits binder

merge commits sdcardfs

merge linux version 4.9.137

merged tag "LA.UM.6.3.r4-05800-sdm845.0"

boost drivers by sultanxda

merge los commits fs: sdfat

V3.4.2:

compiled with GNU GCC 8.2.1

add cortex-a75/a55 flags

some fix source code

merge latest los commits

V3.3.1:

update camera drivers

V3.3:

add i/o schedulers maple (by default)

Kcal Advances Color Control (experimental features)

Vibration Control (experimental features)

Backlight Minimum Brightness Control (experimental features)

schedutil tweaks

fix brightness led notification (polaris)

maybe something else...

V3.2:

re-base linux-stable tree

Merge CAF tag 'LA.UM.6.3.r4-05300-sdm845.o'

Linux version 4.9.135

optimize defconfig

use last google toolchain 4.9

add boeffla wakelock blocker

ttl target

ntfs r/w support

exfat support

something fix/tweaks and etc...

V3.1:

not public realised, first realised for mi8

V3.0:

los-source based

Google TC 4.9

TTL target

update Linux version 4.9.131

merge caf tag LA.UM.6.3.r4-05300-sdm845.o

ntfs r/w support

wireguard driver

v.2.0:

completely rewritten tree kernel

a lot of changes regarding previous versions

I hope to fully fix random reboots, dt2w

v.1.4:

closed version

v.1.3:

update linux 4.9.125

disable lmk and use lmkd

v.1.2:

compile with clang 7.0 + gcc 8.2

update wireguard driver

v.1.1.1:

some fix cpu-boost and fsync (maybe fix xiaomi.eu)

v.1.1:

update linux version: 4.9.124

add devfreq-boost driver by sultanxda

reconfigured cpu-boost

some optimize/tweaks source

optimize defconfig

add exfat support

revert zram tweaks

maybe something else

v.1.0:

first public version

Source code v1.0-1.4: https://github.com/palaych/mipa_polaris