yashsingh1/xdaforums huggingface dataset:
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Bartłomiej:
I have flashed a LineageOS 19.1 with GAPPs. I'd like to check the OS without GAPPS, but I'd like to avoid data loss. Can i just wipe /system and /cache without wiping /data and then flash LineageOS 19.1 safely?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] najabi:
Does not boot for me. It gets briefly to the setup language page, but says: 'The app x failed to start' and the LineageOS logo appears again for a few seconds, like a bootloop but not exactly.

i formatted /data as F2FS and modified /vendor/etc/fstab.qcom accordingly to enable it.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] rossomike1966:
hi, I'm from PE rom

why by installing 19.1, I can't find the previous phone backup made with google Drive?

if I put the PE back, the backup is found.

What am I doing wrong / what should I do

thank you very much
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] seine17:
I've been using it for 3 days and all seems OK, except for the NFC. Should I set it up and how?

Thank you for your excellent job.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] procyon77:
hello,

did you try it? i'm in same situation with you, i dont want to install everything from scratch.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] infrag:
Apologies for that.

In the latest build NFC works on first boot (when i tested it) . However when the screen is turned off it doesnt work again till the next reboot.

I've just done a test build with AOSP NFC.

Just been to the shop to test and Gpay worked fine using this.

I'll upload a new build in a tic so please can people test NFC for me and let me know the results.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] gcholvi:
Good afternoon.

@infrag does encryption work?

Thanks
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] amyli8789:
LineageOS 19.1 has officially been released, unfortunately our Xiaomi Mi 8 is not included
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Silac_8:
I can confirm battery drain issues. My battery is at 80% health, according to Accubattery.

However, battery barely holds for a full day.

These are my stats for today. It's 5PM and battery charged over night - it's at 30%. And battery stats in the phone tell me nothing.

Anyone has similar issue?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] infrag:
I'd suggest from the feedback of others and my own testing that your situation is not the norm. What firmware are you using?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Silac_8:
It looks like Nextcloud app was draining battery. I had a backup set up. Once I restricted battery usage on it, battery life improved.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] srilampi:
Just updated on lineage-19.1-20220804-nightly-dipper-signed.zip with nfc: Re-enable extended length support and it works. @infrag Thanks again for your great support.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Dresior:
I''ve upgraded to latest nighly and my wifidisplay cannot connect to Samsung TV sets.

I can pair wireless screen , but there is no display and after few seconds connection is lost... :)
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] mkz14:
Which gapps are you guys using?

Which camera or default apps does it include?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] najabi:
I'm unable to install latest lineage from TWRP with f2fs and unencrypted. I get into a bootloop on lineage setup screen.

I do according to first post instructions: flash twrp,

Format /system, /data as F2FS and /cache

Install MIUI firmware by sideload: fw_dipper_miui_MI8_V12.5.2.0.QEACNXM_f5ec813d1c_10.0.zip

Install LineageOS zip package by sideload

Install a Google Apps package by sideload (MindtheGapps)

adb pull /vendor/etc/fstab.qcom, edit and add this line:

/dev/block/bootdevice/by-name/userdata /data f2fs noatime,nosuid,nodev,nobarrier,discard,fsync_mode=nobarrier latemount,wait,check,encryptable=ice,quota,formattable

adb push fstab.qcom /vendor/etc/

any hint?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] maormark:
Great Rom, tnx to @infrag.

Is there a way to get face unlock?.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] bingloo:
Hello, friend, is there any way to support face unlock?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] mkz14:
Yea, face unlock is not present in Security section, I guess lineageOS disabled it...

Will it ever come back?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] nsfnd:
I had the same issue. 100% charge while going to bed, %70 in the morning.

Now this may be a coincidence but i installed smartpack kernel manager from fdroid, set CPU and GPU governers to both userspace with it. And battery drain magically slowed down.

I'm saying maybe coincidence because i dabbled with my router's wifi settings (dtim, beacon interval stuff), that may be affecting phone battery drain.

You might want to give it a try. And please let me know if it works for you as well.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] mkz14:
Everytime i flash a new update the phone gets in a bootloop, wtf?

Lineage19 updates brick the phone always :S?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] spacefrog.uk:
I used the app and settings you suggested and my phone only lost 5% battery overnight so that works great
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] spacefrog.uk:
Just tried an update via the phones settings menu and it worked without issue
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] spacefrog.uk:
Currently on 19-20220901-NIGHTLY-dipper with magisk and nikgapps installed OK.

Can anyone get caller ID working on incoming calls? If I turn off 4g calling and WiFi calling it works OK.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] itagizade:
Hey guys, what's up, don't you know, have the stock apps been adapted to Material YOU (Material 3)
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Silac_8:
Don't know about overnight battery drain, but with general usage - yeah, it improved battery life. Thanks man
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] nsfnd:
Glad to hear it worked for you guys as well. I'll do it every time i install a new rom now :)
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] gcholvi:
Any module to take screenshot three fingers of magisk that works with this ROM?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] spacefrog.uk:
I don't think there is. Power button and volume down will take a screenshot as well as swiping up from the bottom of the screen and clicking on take screenshot
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] ALGOPOP:
I had this Problem on 18.1 but it disappeared suddenly without changing anything. Now it reappeared on 19.1. Anybody else expiriecing this?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] ElBerretin:
Hello everyone!

Just posting to ask, are there any MAJOR current issues with the Nightly releases of LineageOS for Dipper? I'll be fresh-installing this OS from a very old (2019 lol) version of a now-discontinued OS, Havoc-OS, and just wanted to know if there's any FYI's or things to look out for before procceeding with the installation. Thanks!
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] spacefrog.uk:
Nothing major in my opinion. Go for it
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] armobenz:
hello there, have a couple questions

1 - will there be an android 13 version of LineageOS?

2 - coming from miui touch response/sensitivity seems strange, am I the only one noticing this? is there any fix?

3 - apart from rom, there is a recovery, do I need to install it? will it replace my twrp? I cant flash via fastboot right now, so if it doesn’t have the option to flash ROMs like twrp, I won’t install it..

and could you share flashable kernel from the latest update please
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] CarlosGilberto:
Answer for your first question:
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] mkz14:
Anyone using It with gapps? Everytime i update i get un a bootloop unless i reflash nikgapps and still It boots but gapps wont work anymore...

How is then procedure?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] tnsantos:
Hello everyone! I installed los 19.1 24 hours ago and got a big battery drain. I then installed accubattery to check stats and saw that it never went to deep sleep.

I came from MIUI stock and did a clean install (followed all steps in the lineageos tutorial). I'm using Gapps and two sim cards.

Can someone help me please? Everything else is working as expected.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] maormark:
I'm using this gapps without any problem :

Lineage 19 (Android 12L)

Redirecting…
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] mkz14:
Thank you for the answer, and do you need to reinstall everytime you flash a new LineageOS nightly?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] maormark:
No need to reinstall after system updates
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] milouk:
Hello guys!

which gapps do you use?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Srattax:
Hi and thx to the dev for this rom

Unfortunately, Same here, i wanted to use this rom for daily usage but... max 12hours a day i don't use the phone...
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] spacefrog.uk:
Look at post #391. That suggestion helped me
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] ales-76:
Anyone having luck getting Android Auto to worki with this ROM? I recently migrated to LOS 19.1, fresh installing the 220915 build (no Magisk) Before I was on LOS 18.1 (and 17.1 before that) and I was using Androind Auto without any issues. With LOS 19.1 I tried multiple gapps packages - Mindthegapps, NikGapps full, FlameGapps, but Android Auto does not properly work in none of them. When connecting to car the Android Auto starts, offers you to connect to the car, but after a while it stops and the car says the connection to Android Auto is lost. I suppose there is some trick how to make it work.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] ElBerretin:
HELP PLEASE!! I cannot install LineageOS into my device (Fastboot Error)!!!

I've tried everything that I can think of and done the research, to no avail. The problem: I CANNOT work with Fastboot on my device. I can boot into it both manually (key combo) and through ADB (which DOES detect the device when it's turned on normally), yet upon entering Fastboot, it shows the following error when I input "fastboot devices":

C:\Program Files (x86)\Minimal ADB and Fastboot>fastboot devices

???????????? fastboot

And immediately after, the phone exits Fastboot (rather, gives out a prompt that says "press any keys to shutdown"), and well, shuts down. So I cannot flash a recovery, nor OS, no nothing.

I've tried.... About a thousand online XDA/forum threads on the topic. Downloaded USB ADB Driver (android_winusb.inf file to be specific) and "updated driver" multiple times, to no avail. I've ALSO switched cables and USB ports!! Two different, working, USB-C cables, three different computer ports. No luck. ADB/Fastboot software is up to date on my PC and works fine for other commands; it's just Fastboot itself that isn't working.

Ok, that's all the info I've gathered thus far. Might I add, I've already flashed a custom ROM on my phone, so I know for a fact that Fastboot used to work just fine..... Used to being the keyword. Sad.

Any help is appreciated!
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] mkz14:
Change yuour USB drivers and also your USB cable and port.

Maby times happened to me it was due to cable, port or drivers.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] guzmangreen:
Latest google wallet stopped working on LOS 18.

Is it working on LOS 19? 🤔
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] ElBerretin:
Yeah, this was the fix! Forgot to come back to my comment and update it, I managed to install LOS two days ago.

It was actually much more complicated than I was expecting, because driver issues caused a bad OS installation, and I suddenly found myself with a bootlooping phone with no working OS, and with my recovery having been half-rewritten by LOS, but not completely, so unusable too... I really thought the phone was a goner.

But alas, new cable and a cyber store's borrowed PC, and I finally managed to "talk" with the bootloader nice enough to install a good Recovery, then LOS. Definitely hard work for a "simple" install process, but it paid off!

I'll leave these messages up just in case anyone else faces the issue in the future. God knows I scoured every corner of the Web in search for a fix, lol.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] infrag:
Hi mate

Glad you got your cable problem sorted.

Just an FYI some of us believe in God including myself. Could you please refrain from using God's name in that way please at least in this thread?

Thanks!
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Srattax:
Don't have any problem on LOS 19 with wallet ...but i wanted to come back on LOS18 because of the battery drain I have
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] guzmangreen:
I'm using LineageOS 18.1 for Micro G because I don't have latest classic LineageOS 18.1. It was removed from official page. Maybe this is the cause of the problems with the wallet :unsure:

web archive of LOS18.1

EDIT: I found latest official 18.1 build here: https://mirror.kumi.systems/lineageos/full/dipper/20220609/ 🥳🤩
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] spacefrog.uk:
Has anyone got 4g calling or WiFi calling working so it shows incoming caller ID? I would be very interested in the details as my provider Vodafone is stopping 3g calling in the UK. I prefer to see who is calling me and this is not available when I use 4g or WiFi for calls
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
Glad for the LineageOS 19.1 port !

However I have a problem...

When I flashed that recent version from the official LineageOS website, well uh yeah it failed to flash the system_ext partition somehow...

So yeah any help would be appreciated.

Thanks.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] amyli8789:
Looks like lineageos 20.0 (android 13) will arrive soon
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] uli-hh:
TWRP 3.7.0 with Android 12 Encryption Support is released!:D

What do you think, is it now possible to update from LOS 18.1 to 19.1 with dirty flash?:unsure:
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] wseric:
Nice OS ! I like it !
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Feboyz:
I can't open the banking app

what's the solution ?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] quyleanh:
You have to use magisk or change to the ROM support it.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] powergo:
i try it before on clean install and 1 bank app and the app say phone root and i did not install anything
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] quyleanh:
Because this app detects unlocked bootloader status.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] powergo:
Yes, and can't lock it again.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] milouk:
Has anyone tested the official twrp 3.7.0 in regard of decryption?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] G A S T:
Will try it with my dipper tomorrow.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] uli-hh:
I have updated my MI8 with LOS 18.1 to TWRP 3.7.0. The encryption was recognized and decryption pattern was demanded.

Then I've dirty flashed lineage-19.1-20221013 with the new TWRP. It ended up in a boot-loop.:eek:

When I booted to TWRP no decryption pattern was demanded and I could see that everything was encrypted.

So I was forced to do a complete clean install.:rolleyes:

LOS 19.1 is running fine so far.

I'll use the LOS recovery until TWRP is recommended again.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] spacefrog.uk:
Enable zygist and enforce deny list and make sure the banking app is ticked. All my banking apps including Google pay work fine. Clear the apps data after you do this if you have tried to run the app before enabling these options
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] G A S T:
Well, somehow I think I won't try that out tomorrow. 😁

Did you report this error and your logs to @mauronofrio ?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] uli-hh:
Sorry no. Is he the maintainer of the TWRP for Dipper?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] G A S T:
Yep, he is - there you go:

https://xdaforums.com/t/recovery-3-...twrp-recovery-for-xiaomi-mi-8.3893823/page-18
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] wseric:
when lineage update to adriod 13 ? Anybody knows ?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] mkz14:
Do we know anything about Lineage OS 20 (Android 13) for dipper?

Will it show up at some point or is it already abandoned?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] infrag:
I have working builds for dipper. Haven't extensively tested it as my screen broke so its no longer my daily driver. I can add a link if there is interest. Dont expect frequent updates though.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] wseric:
Good news! intereste in deed! Link please~
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] infrag:
lineage-20.0-20221011-UNOFFICIAL-dipper.zip

drive.google.com
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] infrag:
Dirty upgrade from 12 to 13 worked for me. Expect some bugs as like I said I haven't tested it thoroughly.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] minax007:
Dear @infrag

Since many years I am enjoying the results of your excellent work.

May God bless you for your efforts.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] wseric:
Thank you for your efforts, and wish you good days!
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
Well uh..

The LineageOS 19.1 and 20 builds won't work because it failed to flash the system_ext partition.

So yeah i don't know why is that happening even i couldn't flash the lineage recovery because it's too big apparentely. Hope it's fixed and stuff.

See ya !
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] haxnhaxn:
Did you try to install latest official firmware before flashing los?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
Yeah i did flashed the firmware succesfully but flashing the rom still fails
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] haxnhaxn:
Which fw exactly? This should be the latest, I used the Chinese.

Global 12.0.3.0.QEAMIXM

China 12.5.2.0.QEACNXM
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
I used the Global 12.0.3.0.QEAMIXM firmware...
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] wseric:
Did you tried adb cmd to flash your recovery?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] UnNamedChronos:
Try this recovery https://xdaforums.com/t/recovery-3-7-0-12-1-dipper-twrp-unofficial.4490657/

Or this too https://xdaforums.com/t/recovery-di...-1-beta-a12-13-unofficial-10-22-2022.4466515/

All have support for system_ext partition
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] G A S T:
So, why not the official TWRP 3.7.0_9-0-dipper.img?

Dosn't system_ext partition writing work there?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
Yeah but still the same issue. Anyway i am trying other recoveries the other guy told me.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Feboyz:
Help ME Please !

I installed (Dirty Flash ) LOS 20 from Los 19.1 Successfully.

but when i try to install twrp 3.6.2 i have a bootloop

I've tried installing twrp 3.7.0 but the result is still bootlop.

how to get into the system without wipe data ?

Thankss
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] moviefirst:
You can try flash TWRP 3.7.0-12.1 Unofficial by LuMorningStarr.

TWRP 3.6.2-12.1 Unofficial by LuMorningStarr
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Feboyz:
I've tried it, but the result is still the same.

even though i just tried to install twrp but instead bootloop :(
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] moviefirst:
Oh, I think it's better for you to start fresh by flashing stock ROM with miflash tool and so on....
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] UnNamedChronos:
the tree that currently exists in official TWRP has not had updates since 2020, so I made a point of updating it to support the most current ROM's aosp.

You can test it yourself if you want and you will see that it is not A9, but A12
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Feboyz:
camera can't be opened

and can't turn on the flashlight

any solution ?

and then i need gapps for LOS 20
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] wseric:
I dirty upgraded from 12 to 13, but every thing goes well wright now. Gapps you need, maybe here: http://downloads.codefi.re/jdcteam/javelinanddart/gapps
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Feboyz:
Oke bro thanks

Im understand now

So must be dirty from 19 yea

Cause i direct to LOS 20
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] haxnhaxn:
Can you try to follow the official install instructions?

Install LineageOS on dipper | LineageOS Wiki

wiki.lineageos.org

I.e. use lineage recovery and do Format data / factory reset.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
I tried the 3.7 with A12 system_ext support but failed to flash system partition but 3.6 still fails to flash system_ext even SHRP still fails to flash system partition
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] G A S T:
Wut?

Is your system partition somehow broken or are you doing it wrong? 🤔

Sorry, but the whole problem makes me really wonder since Chronos declared it here as working. It's a pitty that mauronofrio does't seem to be available atm... 😕
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
I did followed but it still complains about failing to flash system_ext.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
i did it right and i don't think the system partition is broken because theother ROM that uses Android 12 works perfectly and Android 11 works fine but not LineageOS 19.1 and 20
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] infrag:
I've just checked and there is a bug i missed related to camera.

I think I've fixed it and will upload a fixed build in a few hours.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] infrag:
Issue is probably related to:

ARM64: dts: mi845: Set /system_ext block device · LineageOS/android_kernel_xiaomi_sdm845@bea87ce

Turn the partition used by Xiaomi to ship MIUI regional customizations into something more useful for us. This mounts /cust partition as /system_ext, allowing us to build a dedicated system_ext ima...

github.com

&

dipper: fstab: Set /system_ext mount point for recovery · LineageOS/android_device_xiaomi_dipper@1ef6c1a

Change-Id: Ie12a787e58d72f2a90a3ba015948203240978f36

github.com

I dont think all recoveries map the cust partition to system_ext.

I dont think all other roms for dipper map cust partition to system_ext either.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] UnNamedChronos:
I'm really sorry, recovery works fine on Android 12... but I just got the A13 ROMs flash error with system ext partition

Now it's completely fixed to the V2 version, feel free to test twrp and flash the ROM smoothly
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] UnNamedChronos:
Very complicated to retrace the path... But I managed to make it work
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
Great !

Do you have the link ?
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] infrag:
lineage13 test build added to OP.
[Xiaomi Mi 8 ROMs, Kernels, Recoveries, & Other Dev] Chroma:
Anyway i tried your newer version of recovery (basically i choosed 3.7 V2) and uhh it still fails to flash system_ext.

But here's the thing i forgot to tell you guys.

It says : E2001: Failed to update system_ext image.

And yeah still doesn't know how it happens even the older LineageOS 19.1 builds worked fine but not the newest.