[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Bug Janitor Service changed: What|Removed |Added Priority|NOR |VHI -- You are receiving this mail

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Nate Graham changed: What|Removed |Added Resolution|--- |UNMAINTAINED Status|REPORTED

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Joseph De Veaugh-Geiss changed: What|Removed |Added Keywords||efficiency CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Nate Graham changed: What|Removed |Added Component|general |generic-performance

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC||abderrahman.naj...@gmail.co

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Alexander Potashev changed: What|Removed |Added CC||aspotas...@gmail.com -- You are

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Stefano Forli changed: What|Removed |Added CC||ntro...@gmail.com -- You are receiving this

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Dr. Chapatin changed: What|Removed |Added CC||bugsefor...@gmx.com --

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 s...@kabelfunk.de changed: What|Removed |Added CC||s...@kabelfunk.de -- You are receiving

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #72 from David Edmundson --- Git commit ec1931f7b2980a3cd445c09def1bb4a9b5ad607f by David Edmundson. Committed on 29/03/2018 at 14:38. Pushed by davidedmundson into branch 'master'. Batch window changes events on

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Alan Prescott changed: What|Removed |Added CC||a...@fudokai.org.uk --

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Koen changed: What|Removed |Added CC|kdejae...@gmail.com | -- You are receiving this mail

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #71 from Alex Ioannou --- I can make plasmashell spike by doing this: 1) Open Dolphin and click Split 2) In right hand window sftp onto a server 3) Move a file from the left to the right window I wonder if this is

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #70 from valdi...@gmail.com --- (In reply to pier andre from comment #69) As far as I can see, KDE Neon does not have commit 6990ae6c1bad32952e371fa72bee65a7af11c313 applied for qt5-qtdeclarative (Fedora's package naming, could be different

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #69 from pier andre --- and also my desktop pc: CPU (Processor):Intel Core i5-7400 4x3.00GHz 7th Kaby Lake, Mainboard:B250M MSI Pro-VDH (7A70-003R), Video Card (VGA Card) onBoard Graphic, System Memory (RAM):8GB

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 pier andre changed: What|Removed |Added CC||pier_andr...@yahoo.it ---

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #67 from valdi...@gmail.com --- (In reply to kdebuac.rhn from comment #66) > valdi...@gmail.com - this sounds like a kwin issue. Try doing `kwin > --replace` and see if it goes away. Then perhaps it can be filed in the kwin > category. I'm

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #66 from kdebuac@porcupinefactory.org --- valdi...@gmail.com - this sounds like a kwin issue. Try doing `kwin --replace` and see if it goes away. Then perhaps it can be filed in the kwin category. I'm occasionally experiencing something

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 valdi...@gmail.com changed: What|Removed |Added CC||valdi...@gmail.com --- Comment #65 from

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #64 from David Edmundson --- *** Bug 381608 has been marked as a duplicate of this bug. *** -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Nate Graham changed: What|Removed |Added CC||pointedst...@zoho.com --

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC||hoheneg...@web.de

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #62 from Alex Ioannou --- The issue went away for me! It's back now though after this happened: Downgrade: plasma-integration:amd64 (4:5.11.0-0neon+16.04+xenial+build58, 5.11.3-0neon+16.04+xenial+build64) -- You

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added See Also|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Thomas Bettler changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Mahendra Tallur changed: What|Removed |Added CC||ma...@free.fr --- Comment #60

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Robby Engelmann changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Johan Hartzenberg changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #56 from kdde@porcupinefactory.org --- Since upgrading to Fedora 25 with plasma-workspace-5.9.5.1-1.fc25, the CPU usage is acceptable: - idle CPU usage is <3% of one core - copying files does not change that significantly - CPU does not

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Pascal d'Hermilly changed: What|Removed |Added CC|pas...@dhermilly.dk | -- You are

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 fl...@mailoo.org changed: What|Removed |Added CC||fl...@mailoo.org --- Comment #54 from

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #55 from fl...@mailoo.org --- Adding a comment here rather than opening a new bug, as I think this a duplicate of what is discussed here. I noticed that sometimes I have a mild, but constant, CPU usage of kwin_x11. I opened a post on Reddit

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Jan Pavlicek changed: What|Removed |Added CC|jan.pavli...@centrum.cz | -- You are receiving

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #52 from Vetko --- (In reply to Gunter Ohrner from comment #51) > Intel Graphics? Are you using the intel kernel modesetting driver, or the > classical Intel driver? > > Both do not work very well, but both seem to

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Aloysius changed: What|Removed |Added CC||aloi...@gmx.com -- You are

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #51 from Gunter Ohrner --- (In reply to Vetko from comment #50) > openSUSE Tumbleweed (kwin5 version 5.10.4-1.1) on an Acer Aspire R13 R7-372T. Intel Graphics? Are you using the intel kernel modesetting driver, or

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #50 from Vetko --- False flag, sorry! :( For some reason yesterday evening after the update (and a restart of course) the problem got solved. But today after boot I experience the same issue as before. I don't know

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #49 from Alex Ioannou --- Heya, Yes the Qt versions would be nice. -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #48 from attila.vet...@gmail.com --- After upgrading yesterday to the latest openSUSE Tumbleweed snapshot, the symptoms have disappeared for me! :) NO high CPU usage, NO flickering artifacts, NO overheat. Everything back to normal. I saw

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Alex Ioannou changed: What|Removed |Added CC||alex.ioan...@gmail.com

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC||j...@kde.org ---

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 attila.vet...@gmail.com changed: What|Removed |Added CC||attila.vet...@gmail.com --- Comment

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC||gr...@sub.red ---

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #41 from David Edmundson --- Split comment about multiple taskbars into here https://bugs.kde.org/show_bug.cgi?id=382221 Can anyone who has multiple taskbars (see #39) please provide the information requested at

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #40 from Max Schettler --- This seems to be the case for me, there are apparently seven taskbars on my system. -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #39 from David Edmundson --- Easy way, click on add widgets and you'll see the number in the circle -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #38 from Koen --- How can we find out how many hidden ones there are? -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #37 from Hubert Kario --- I think some of it may be caused by having multiple taskbars (some hidden). I largely alleviated the issue by deleting the plasmashell configuration and letting it create a fresh one. Seems like

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added See Also|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #35 from Koen --- At the moment I just do 'killall plasmashell' to be able to work without the sound of a space shuttle taking of next to me. -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #34 from Koen --- Is there any workaround for this at the moment? -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Koen changed: What|Removed |Added CC||kdejae...@gmail.com -- You are

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added See Also|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Gabriel C changed: What|Removed |Added CC||nix.or@gmail.com -- You

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 Steven Haigh changed: What|Removed |Added CC||net...@crc.id.au --- Comment

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #27 from network...@rkmail.ru --- I did wait for several minutes. It's as close to callgrind as possible: I've opened the very same programs, started plasma and induced high cpu usage by clicking on plasma tray icon. So, 56 geometry updates

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #26 from David Edmundson --- It seems it wasn't any one window going mental. Over what timespan is this log for? 203423846 must have been the panel, we can see it updating its user time a lot We're updating all

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC||hka...@redhat.com

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #24 from network...@rkmail.ru --- Created attachment 104885 --> https://bugs.kde.org/attachment.cgi?id=104885=edit plasmashell log with modified kwindowsystem.cpp Sorry, I forgot about it. Here is the log. I'm not sure what I should do

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC||nuor...@gmail.com

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #22 from David Edmundson --- I'm still waiting on that kwindowsystem information I asked for. -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #21 from David Edmundson --- Ok so to follow up on that: - it'll just give the same info as we got from your QSG_INFO=1 run - the reason you don't have QSGAnimationDriver output is because basic render loop

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #20 from network...@rkmail.ru --- #zypper info libqt5Core5 Loading repository data... Reading installed packages... Information for package libQt5Core5: Repository : openSUSE-42.2-Oss Name

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #19 from David Edmundson --- Urgh. Can you tell me your Qt version again? Maybe someone renamed the debug categories. @any other plasma dev, any idea why my line doesn't work for network723 -- You are

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #18 from network...@rkmail.ru --- Created attachment 104761 --> https://bugs.kde.org/attachment.cgi?id=104761=edit QT_LOGGING_RULES=qt.scenegraph.general.debug=true plasmashell >can you instead run:

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #17 from David Edmundson --- So that says we're using the basic driver, so I looked into how that chooses the frame rate which is all in the QSGAnimationDriver constructor, which is all based around the refresh

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #16 from network...@rkmail.ru --- I've uploaded output for QSG_INFO=1. As fps, it's what I see in on-screen fps counter if I run plasmashell with GALLIUM_HUD=fps variable set. Works only with gallium-based opengl drivers. Thank you for

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #15 from network...@rkmail.ru --- Created attachment 104748 --> https://bugs.kde.org/attachment.cgi?id=104748=edit QSG_INFO=1 plasmashell -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #14 from David Edmundson --- What do you mean exactly by "notifications are drawing at 200fps"? and yes, it should be vsynced, there's code to do it (in Qt) There's a nice line in the Qt documentation on that:

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #13 from network...@rkmail.ru --- Also, the interesting thing i noticed: 1. I've started copying a large file (60 Gbytes), cpu load for plasmashell was 125% 2. I killed plasmashell, and restarted it again. cpu-load was almost zero. 3. I

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #12 from network...@rkmail.ru --- I found no "if (dirtyProperties || dirtyProperties2) {" line in my kwindowsystem.cpp, but when I run plasmashell with GALLIUM_HUD=fps, it shows up that notifications are drawing with 200+ frames per second.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #11 from David Edmundson --- Recompiling is the quickest way. You could do probably do it with GDB skills, but frankly it's not worth it especially as we don't want to interrupt the processing as that could skew

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #9 from kdde@porcupinefactory.org --- > Can you put some debug in KWidnwSystem::windowChanged and find out? How to do that? Is it possible to do that without recompiling, e.g. some LD_PRELOAD trick? If not, what's the minimal set of

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #8 from David Edmundson --- That trace has a few interesting things in it: - we're still losing a tonne of time (30% or so) processing X events. We're getting over 670,000 of them in 30 seconds. They end up

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #7 from Pascal d'Hermilly --- (In reply to David Edmundson from comment #0) > If your bug is marked as a duplicate as this it means it's a bug about high > CPU with no other information, which makes it not very useful.

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #6 from kdde@porcupinefactory.org --- Created attachment 104719 --> https://bugs.kde.org/attachment.cgi?id=104719=edit callgrind output Compressed output of about 20-30s of running `valgrind --tool=callgrind --instr-atstart=no

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 --- Comment #5 from kdde@porcupinefactory.org --- It would be more useful to say what about those links are useful - leaving just the links doesn't seem like an optimal way to get people to improve their reports. That being said, I did the legwork

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|

[plasmashell] [Bug 378010] Generic High CPU Usage Rendering

https://bugs.kde.org/show_bug.cgi?id=378010 David Edmundson changed: What|Removed |Added CC|