With 18.04 and inside the regular Xorg Ubuntu session (and the Ambiance theme selected) the corners of the headerbar/titlebar in firefox 71.0 are not correctly rendered.
There is a white area "bleeding" out of the rounded border making the window a square.
---
ProblemType: Bug
AddonCompatCheckDisabled: False
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: frederik 7676 F.... pulseaudio
BuildID: 20191205184924
Channel: Unavailable
CurrentDesktop: ubuntu:GNOME
DefaultProfileExtensions: extensions.sqlite corrupt or missing
DefaultProfileIncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
DefaultProfileLocales: extensions.sqlite corrupt or missing
DefaultProfilePrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:722
DefaultProfilePrefSources: prefs.js
DefaultProfileThemes: extensions.sqlite corrupt or missing
DistroRelease: Ubuntu 18.04
ForcedLayersAccel: False
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2019-11-04 (64 days ago)
InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
IpRoute:
default via 10.20.64.1 dev wlp2s0 proto dhcp metric 600
10.20.64.0/21 dev wlp2s0 proto kernel scope link src 10.20.64.217 metric 600
169.254.0.0/16 dev virbr0 scope link metric 1000 linkdown
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 linkdown
Package: firefox 71.0+build5-0ubuntu0.18.04.1
PackageArchitecture: amd64
ProcEnviron:
LANG=de_DE.UTF-8
TERM=xterm-256color
SHELL=/bin/bash
XDG_RUNTIME_DIR=<set>
PATH=(custom, user)
ProcVersionSignature: Ubuntu 5.0.0-37.40~18.04.1-generic 5.0.21
Profile0Extensions: extensions.sqlite corrupt or missing
Profile0IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
Profile0Locales: extensions.sqlite corrupt or missing
Profile0PrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:722
Profile0PrefSources: prefs.js
Profile0Themes: extensions.sqlite corrupt or missing
Profiles:
Profile1 (Default) - LastVersion=71.0/20191205184924
Profile0 - LastVersion=71.0/20191205184924 (In use)
RunningIncompatibleAddons: False
Tags: bionic
Uname: Linux 5.0.0-37-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip kvm libvirt lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 10/01/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.8.0
dmi.board.name: 0KTW76
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.8.0:bd10/01/2019:svnDellInc.:pnXPS139380:pvr:rvnDellInc.:rn0KTW76:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 13 9380
dmi.product.sku: 08AF
dmi.sys.vendor: Dell Inc.
apport information