[Xiaomi Mi 9 Guides, News, & Discussion] smohanv:
Here is a list of Debloats from the original posting and I categorised based on MIUI 11 xiaomi.eu ROM (any version)

1. DEBLOAT LIST (xiaomi.eu ROM any version of MIUI 11):
pm uninstall --user 0 com.android.providers.partnerbookmarks
pm uninstall --user 0 com.android.fileexplorer
pm uninstall --user 0 com.android.email
pm uninstall --user 0 com.android.printspooler
pm uninstall --user 0 com.android.apps.tag
pm uninstall --user 0 com.android.managedprovisioning
pm uninstall --user 0 com.android.bluetoothmidiservice
pm uninstall --user 0 com.android.browser
pm uninstall --user 0 com.google.android.printservice.recommendation
pm uninstall --user 0 com.google.android.apps.cloudprint
pm uninstall --user 0 com.android.bips
pm uninstall --user 0 com.google.android.soundpicker
pm uninstall --user 0 com.xiaomi.joyose
pm uninstall --user 0 com.xiaomi.payment
pm uninstall --user 0 com.miui.personalassistant
pm uninstall --user 0 com.miui.cit
pm uninstall --user 0 com.miui.nextpay
pm uninstall --user 0 com.miui.vsimcore
pm uninstall --user 0 com.milink.service
pm uninstall --user 0 com.miui.bugreport
pm uninstall --user 0 com.miui.cleanmaster
pm uninstall --user 0 com.miui.miwallpaper
pm uninstall --user 0 com.miui.touchassistant
pm uninstall --user 0 com.miui.translation.xmcloud
pm uninstall --user 0 com.miui.videoplayer
pm uninstall --user 0 com.miui.weather2
pm uninstall --user 0 com.miui.player
pm uninstall --user 0 com.miui.notes
pm uninstall --user 0 com.bsp.catchlog
pm uninstall --user 0 com.android.bookmarkprovider
pm uninstall --user 0 com.miui.compass
pm uninstall --user 0 com.miui.calculator
pm uninstall --user 0 com.miui.daemon
pm uninstall --user 0 com.mfashiongallery.emag
pm uninstall --user 0 com.xiaomi.xmsf
pm uninstall --user 0 com.xiaomi.simactivate.service
pm uninstall --user 0 com.miui.misound
pm uninstall --user 0 com.xiaomi.mirecycle
pm uninstall --user 0 com.android.traceur
pm uninstall --user 0 pl.zdunex25.updater
pm uninstall --user 0 com.google.android.setupwizard
pm uninstall --user 0 com.mi.health
pm uninstall --user 0 cn.wps.xiaomi.abroad.lite
pm uninstall --user 0 com.miui.miservice
pm uninstall --user 0 com.xiaomi.mi_connect_service
pm uninstall --user 0 com.miui.mishare.connectivity

2. I WOULD LEAVE THE FOLLOWING PACKAGES AS IT HELPS RATHER BEING BLOATWARE:
pm uninstall --user 0 com.android.inputmethod.latin
pm uninstall --user 0 com.android.emergency
pm uninstall --user 0 com.google.android.tts
pm uninstall --user 0 com.android.stk
pm uninstall --user 0 com.android.cellbroadcastreciever
pm uninstall --user 0 com.android.hotwordenrollment.okgoogle
pm uninstall --user 0 com.android.quicksearchbox
pm uninstall --user 0 com.google.android.googlequicksearchbox
pm uninstall --user 0 com.google.android.syncadapters.contacts
pm uninstall --user 0 com.android.hotwordenrollment.xgoogle
pm uninstall --user 0 com.google.ar.lens
pm uninstall --user 0 com.android.webview
pm uninstall --user 0 com.miui.audioeffect
pm uninstall --user 0 com.xiaomi.scanner
pm uninstall --user 0 com.miui.cloudservice
pm uninstall --user 0 com.miui.micloudsync
pm uninstall --user 0 com.android.calendar
pm uninstall --user 0 com.android.providers.calendar
pm uninstall --user 0 com.android.soundrecorder
pm uninstall --user 0 com.miui.screenrecorder
pm uninstall --user 0 com.xiaomi.account
pm uninstall --user 0 com.google.android.syncadapters.calendar
pm uninstall --user 0 com.google.ar.core
pm uninstall --user 0 com.miui.backup
pm uninstall --user 0 com.android.calllogbackup
pm uninstall --user 0 com.xiaomi.finddevice
pm uninstall --user 0 com.android.location.fused
pm uninstall --user 0 com.qualcomm.location
pm uninstall --user 0 com.google.android.gms.location.history
pm uninstall --user 0 com.xiaomi.bsp.gps.nps
pm uninstall --user 0 com.miui.home

3. NOT IN THIS xiaomi.eu MIUI 11 ROM:
pm uninstall --user 0 com.android.launcher3
pm uninstall --user 0 com.sec.android.AutoPreconfig
pm uninstall --user 0 com.sec.android.service.health
pm uninstall --user 0 com.android.dreams.basic
pm uninstall --user 0 com.android.dreams.phototable
pm uninstall --user 0 com.android.magicsmoke
pm uninstall --user 0 com.android.noisefield
pm uninstall --user 0 com.android.phasebeam
pm uninstall --user 0 com.android.wallpaper.holospiral
pm uninstall --user 0 com.android.printservice.recommendation
pm uninstall --user 0 com.google.android.apps.books
pm uninstall --user 0 com.google.android.apps.currents
pm uninstall --user 0 com.google.android.apps.fitness
pm uninstall --user 0 com.google.android.apps.photos
pm uninstall --user 0 com.google.android.apps.plus
pm uninstall --user 0 com.google.android.apps.tachyon
pm uninstall --user 0 com.google.android.music
pm uninstall --user 0 com.google.android.apps.wellbeing
pm uninstall --user 0 com.google.android.email
pm uninstall --user 0 com.google.android.talk
pm uninstall --user 0 com.google.android.videos
pm uninstall --user 0 com.google.tango.measure
pm uninstall --user 0 com.google.android.youtube
pm uninstall --user 0 com.google.android.apps.docs
pm uninstall --user 0 com.google.android.apps.restore
pm uninstall --user 0 com.android.chrome
pm uninstall --user 0 com.xiaomi.channel
pm uninstall --user 0 com.mipay.wallet
pm uninstall --user 0 com.xiaomi.pass
pm uninstall --user 0 com.xiaomi.shop
pm uninstall --user 0 com.xiaomi.providers.appindex
pm uninstall --user 0 com.miui.fm
pm uninstall --user 0 com.mi.liveassistant
pm uninstall --user 0 com.xiaomi.gamecenter.sdk.service
pm uninstall --user 0 com.baidu.input_mi
pm uninstall --user 0 com.xiaomi.ab
pm uninstall --user 0 com.xiaomi.jr
pm uninstall --user 0 com.baidu.duersdk.opensdk
pm uninstall --user 0 com.miui.hybrid
pm uninstall --user 0 com.baidu.searchbox
pm uninstall --user 0 com.xiaomi.glgm
pm uninstall --user 0 com.xiaomi.midrop
pm uninstall --user 0 com.xiaomi.mipicks
pm uninstall --user 0 com.miui.qr
pm uninstall --user 0 com.xiaomi.o2o
pm uninstall --user 0 com.autonavi.minimap
pm uninstall --user 0 com.xiaomi.vipaccount
pm uninstall --user 0 com.caf.fmradio
pm uninstall --user 0 com.miui.greenguard
pm uninstall --user 0 com.miui.android.fashiongallery
pm uninstall --user 0 com.miui.enbbs
pm uninstall --user 0 com.mi.android.globalpersonalassistant
pm uninstall --user 0 com.mi.globalTrendNews
pm uninstall --user 0 com.mipay.wallet.id
pm uninstall --user 0 com.mipay.wallet.in
pm uninstall --user 0 com.miui.analytics
pm uninstall --user 0 com.miui.hybrid.accessory
pm uninstall --user 0 com.miui.msa.global
pm uninstall --user 0 com.miui.translation.kingsoft
pm uninstall --user 0 com.miui.translation.youdao
pm uninstall --user 0 com.miui.translationservice
pm uninstall --user 0 com.miui.userguide
pm uninstall --user 0 com.miui.virtualsim
pm uninstall --user 0 com.miui.yellowpage
pm uninstall --user 0 android.romstats
pm uninstall --user 0 ros.ota.updater
pm uninstall --user 0 com.opera.preinstall
pm uninstall --user 0 com.qualcomm.qti.perfdump
pm uninstall --user 0 com.duokan.phone.remotecontroller
pm uninstall --user 0 com.samsung.aasaservice
pm uninstall --user 0 org.simalliance.openmobileapi.service
pm uninstall --user 0 com.duokan.phone.remotecontroller.peel.plugin
pm uninstall --user 0 com.facemoji.lite.xiaomi
pm uninstall --user 0 com.facebook.appmanager
pm uninstall --user 0 com.facebook.katana
pm uninstall --user 0 com.facebook.services
pm uninstall --user 0 com.facebook.system
pm uninstall --user 0 com.android.calculator2
pm uninstall --user 0 com.miui.providers.weather
pm uninstall --user 0 com.sohu.inputmethod.sogou.xiaomi
pm uninstall --user 0 com.mi.webkit.core
pm uninstall --user 0 com.netflix.partner.activation
pm uninstall --user 0 com.miui.cloudservice.sysbase
pm uninstall --user 0 com.android.documentsui
pm uninstall --user 0 com.android.globalFileexplorer
pm uninstall --user 0 com.android.midrive
pm uninstall --user 0 com.android.gallery3d
pm uninstall --user 0 com.android.musicfx
pm uninstall --user 0 org.lineageos.snap
pm uninstall --user 0 com.google.android.apps.wallpaper
pm uninstall --user 0 com.syberia.ota
pm uninstall --user 0 com.syberia.SyberiaPapers
pm uninstall --user 0 org.lineageos.recorder
pm uninstall --user 0 com.xiaomi.location.fused
pm uninstall --user 0 org.codeaurora.gps.gpslogsave