<s>
Microsoft	B-Application
Edge	I-Application
is	O
a	O
proprietary	B-Application
,	O
cross-platform	B-Operating_System
web	B-Application
browser	I-Application
created	O
by	O
Microsoft	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
in	O
2015	O
as	O
part	O
of	O
Windows	B-Operating_System
10	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
and	O
later	O
ported	O
to	O
other	O
platforms	O
as	O
a	O
fork	B-Application
of	O
Google	B-Application
's	I-Application
Chromium	B-Language
open-source	I-Language
project	I-Language
:	O
Android	B-Application
and	O
iOS	B-Application
,	O
macOS	B-Application
,	O
older	O
Windows	O
versions	O
(	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
and	O
later	O
)	O
,	O
and	O
most	O
recently	O
Linux	B-Application
.	O
</s>
<s>
It	O
was	O
created	O
as	O
the	O
successor	O
to	O
Internet	B-Application
Explorer	I-Application
(	O
IE	O
)	O
.	O
</s>
<s>
Edge	O
was	O
initially	O
built	O
with	O
Microsoft	O
's	O
own	O
proprietary	B-Application
browser	B-Protocol
engine	I-Protocol
,	O
EdgeHTML	B-Application
,	O
and	O
their	O
Chakra	B-Language
JavaScript	B-Language
engine	I-Language
.	O
</s>
<s>
In	O
late	O
2018	O
,	O
it	O
was	O
announced	O
that	O
Edge	O
would	O
be	O
completely	O
rebuilt	O
as	O
a	O
Chromium-based	O
browser	B-Application
with	O
Blink	B-Language
and	O
V8	B-Language
engines	O
.	O
</s>
<s>
The	O
new	O
Edge	O
was	O
publicly	O
released	O
in	O
January	O
2020	O
,	O
and	O
on	O
Xbox	B-Device
platforms	O
in	O
2021	O
.	O
</s>
<s>
Microsoft	O
has	O
since	O
terminated	O
security	O
support	O
for	O
the	O
original	O
browser	B-Application
(	O
now	O
referred	O
to	O
as	O
Microsoft	B-Application
Edge	I-Application
Legacy	O
)	O
,	O
and	O
in	O
Windows	B-Application
11	I-Application
it	O
is	O
the	O
default	O
web	B-Application
browser	I-Application
(	O
for	O
compatibility	O
with	O
Google	B-Application
Chrome	I-Application
)	O
.	O
</s>
<s>
In	O
May	O
2022	O
,	O
according	O
to	O
StatCounter	O
,	O
Microsoft	B-Application
Edge	I-Application
became	O
the	O
second	O
most	O
popular	O
browser	B-Application
in	O
the	O
world	O
,	O
overtaking	O
Apple	B-Application
's	I-Application
Safari	I-Application
(	O
in	O
some	O
countries	O
,	O
such	O
as	O
the	O
United	O
States	O
,	O
Edge	O
is	O
the	O
3rd	O
most	O
popular	O
,	O
where	O
it	O
has	O
a	O
14%	O
share	O
,	O
slightly	O
behind	O
Safari	B-Application
's	O
16%	O
share	O
)	O
.	O
</s>
<s>
Microsoft	B-Application
Edge	I-Application
is	O
the	O
default	O
web	B-Application
browser	I-Application
on	O
Windows	B-Operating_System
10	I-Operating_System
,	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
,	O
Windows	B-Application
11	I-Application
,	O
Xbox	B-Device
One	I-Device
,	O
and	O
Xbox	B-Device
Series	I-Device
X	I-Device
and	I-Device
Series	I-Device
S	I-Device
consoles	O
,	O
replacing	O
Internet	B-Application
Explorer	I-Application
11	I-Application
and	O
Internet	B-Application
Explorer	I-Application
Mobile	I-Application
.	O
</s>
<s>
As	O
its	O
development	O
and	O
release	O
is	O
dependent	O
on	O
the	O
model	O
of	O
Windows	O
as	O
a	O
service	O
,	O
it	O
is	O
not	O
included	O
in	O
Windows	B-Operating_System
10	I-Operating_System
Enterprise	O
Long-Term	O
Servicing	O
Channel	O
(	O
LTSC	O
)	O
builds	O
.	O
</s>
<s>
Microsoft	O
initially	O
announced	O
that	O
Edge	O
would	O
support	O
the	O
legacy	O
MSHTML	B-Application
(	O
Trident	B-Application
)	O
browser	B-Protocol
engine	I-Protocol
for	O
backward	B-General_Concept
compatibility	I-General_Concept
,	O
but	O
later	O
said	O
that	O
,	O
due	O
to	O
"	O
strong	O
feedback	O
,	O
"	O
Edge	O
would	O
use	O
a	O
new	O
engine	O
,	O
while	O
Internet	B-Application
Explorer	I-Application
would	O
continue	O
to	O
provide	O
the	O
legacy	O
engine	O
.	O
</s>
<s>
The	O
developer	O
toolset	O
of	O
the	O
EdgeHTML-based	O
versions	O
featured	O
an	O
option	O
to	O
emulate	O
the	O
rendering	O
behaviour	O
(	O
"	O
document	O
mode	O
"	O
)	O
of	O
Internet	B-Application
Explorer	I-Application
versions	O
5	O
to	O
11	O
.	O
</s>
<s>
Favorites	O
,	O
reading	O
list	O
,	O
browsing	O
history	O
and	O
downloads	O
are	O
viewed	O
at	O
the	O
Hub	O
,	O
a	O
sidebar	O
providing	O
functionality	O
similar	O
to	O
Internet	B-Application
Explorer	I-Application
's	O
Downloads	O
manager	O
and	O
Favorites	O
Center	O
.	O
</s>
<s>
Edge	O
features	O
a	O
built-in	O
PDF	B-Application
reader	O
,	O
and	O
supports	O
WebAssembly	B-Language
.	O
</s>
<s>
Until	O
January	O
2021	O
,	O
Edge	O
also	O
featured	O
an	O
integrated	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
(	O
with	O
an	O
internal	O
whitelist	O
allowing	O
Flash	O
applets	O
on	O
Facebook	B-Application
websites	O
to	O
load	O
automatically	O
,	O
bypassing	O
all	O
other	O
security	O
controls	O
requiring	O
user	O
activation	O
)	O
.	O
</s>
<s>
Edge	O
does	O
not	O
support	O
legacy	O
technologies	O
such	O
as	O
ActiveX	B-Application
and	O
Browser	B-Application
Helper	I-Application
Objects	I-Application
,	O
instead	O
it	O
uses	O
an	O
extension	O
system	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
11	I-Application
remained	O
available	O
alongside	O
Edge	O
on	O
Windows	B-Operating_System
10	I-Operating_System
for	O
compatibility	O
until	O
2023	O
,	O
when	O
it	O
was	O
removed	O
.	O
</s>
<s>
It	O
remained	O
identical	O
to	O
the	O
Windows	B-Device
8.1	I-Device
version	I-Device
and	O
did	O
not	O
use	O
the	O
Edge	O
engine	O
as	O
was	O
previously	O
announced	O
.	O
</s>
<s>
In	O
Windows	B-Application
11	I-Application
,	O
Edge	O
became	O
the	O
only	O
browser	B-Application
available	O
from	O
Microsoft	O
.	O
</s>
<s>
However	O
,	O
it	O
includes	O
an	O
"	O
Internet	B-Application
Explorer	I-Application
mode	O
,	O
"	O
aimed	O
at	O
fixing	O
compatibility	O
issues	O
;	O
it	O
provides	O
the	O
legacy	O
MSHTML	B-Application
browser	B-Protocol
engine	I-Protocol
and	O
supports	O
the	O
legacy	O
ActiveX	B-Application
and	O
BHO	O
technologies	O
.	O
</s>
<s>
Users	O
can	O
make	O
annotations	O
to	O
web	O
pages	O
that	O
can	O
be	O
stored	O
to	O
and	O
shared	O
with	O
OneDrive	B-Application
,	O
and	O
can	O
save	O
HTML	B-Language
and	O
MHTML	O
pages	O
to	O
their	O
computers	O
.	O
</s>
<s>
Preliminary	O
support	O
for	O
browser	B-Protocol
extensions	I-Protocol
was	O
added	O
in	O
March	O
2016	B-Device
,	O
with	O
build	O
14291	O
,	O
three	O
extensions	O
were	O
initially	O
supported	O
.	O
</s>
<s>
On	O
February	O
7	O
,	O
2023	O
,	O
Microsoft	O
announced	O
a	O
major	O
overhaul	O
to	O
Edge	O
,	O
revamping	O
the	O
user	O
interface	O
with	O
Fluent	B-Application
Design	I-Application
,	O
along	O
with	O
adding	O
Bing	O
Chat	O
button	O
.	O
</s>
<s>
Edge	O
originally	O
lacked	O
support	O
for	O
open	O
media	O
standards	O
such	O
as	O
WebM	B-Application
and	O
Opus	B-Algorithm
,	O
but	O
these	O
were	O
later	O
added	O
in	O
Edge	O
14.14291	O
.	O
</s>
<s>
,	O
Edge	O
84	O
had	O
scored	O
496/555	O
on	O
HTML5test	B-Application
.	O
</s>
<s>
Microsoft	B-Application
Edge	I-Application
Legacy	O
's	O
release	O
cadence	O
was	O
tied	O
to	O
the	O
Windows	B-Operating_System
10	I-Operating_System
release	O
cycle	O
and	O
used	O
the	O
Windows	B-Application
Insider	I-Application
Program	I-Application
to	O
preview	O
new	O
versions	O
of	O
the	O
browser	B-Application
.	O
</s>
<s>
On	O
April	O
8	B-Application
,	O
2019	B-Device
,	O
Microsoft	O
announced	O
the	O
introduction	O
of	O
four	O
preview	O
channels	O
:	O
Canary	O
,	O
Dev	O
,	O
Beta	O
,	O
and	O
Stable	O
and	O
launched	O
the	O
Canary	O
and	O
Dev	O
channels	O
that	O
same	O
day	O
with	O
the	O
first	O
preview	O
builds	O
,	O
for	O
those	O
channels	O
,	O
of	O
the	O
new	O
Edge	O
.	O
</s>
<s>
Microsoft	O
collectively	O
calls	O
the	O
Canary	O
,	O
Dev	O
,	O
and	O
Beta	O
channels	O
the	O
"	O
Microsoft	B-Application
Edge	I-Application
insider	O
channels	O
"	O
.	O
</s>
<s>
Major	O
versions	O
of	O
Edge	O
Stable	O
are	O
now	O
scheduled	O
for	O
release	O
every	O
4	O
weeks	O
,	O
closely	O
following	O
Chromium	B-Language
version	O
releases	O
.	O
</s>
<s>
In	O
May	O
2020	O
,	O
an	O
update	O
to	O
Microsoft	B-Application
Edge	I-Application
added	O
Surf	B-Application
,	O
a	O
video	O
game	O
where	O
players	O
control	O
a	O
surfer	O
attempting	O
to	O
evade	O
obstacles	O
and	O
collect	O
powerups	O
.	O
</s>
<s>
Similar	O
to	O
Google	B-Application
Chrome	I-Application
's	O
Dinosaur	B-Application
Game	I-Application
,	O
Surf	B-Application
is	O
accessible	O
from	O
the	O
browser	B-Application
's	O
offline	O
error	O
page	O
and	O
can	O
also	O
be	O
accessed	O
by	O
entering	O
edge://surf	O
into	O
the	O
address	O
bar	O
.	O
</s>
<s>
Its	O
gameplay	O
has	O
been	O
compared	O
to	O
the	O
1991	O
Microsoft	O
video	O
game	O
SkiFree	B-Application
.	O
</s>
<s>
In	O
2021	O
,	O
Surf	B-Application
was	O
updated	O
with	O
limited-time	O
seasonal	O
theming	O
resembling	O
SkiFree	B-Application
.	O
</s>
<s>
In	O
December	O
2014	O
,	O
writing	O
for	O
ZDNet	O
,	O
technology	O
writer	O
Mary	O
Jo	O
Foley	O
reported	O
that	O
Microsoft	O
was	O
developing	O
a	O
new	O
web	B-Application
browser	I-Application
codenamed	O
"	O
Spartan	O
"	O
for	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
She	O
said	O
that	O
"	O
Spartan	O
"	O
would	O
be	O
treated	O
as	O
a	O
new	O
product	O
separate	O
from	O
Internet	B-Application
Explorer	I-Application
,	O
with	O
Internet	B-Application
Explorer	I-Application
11	I-Application
retained	O
alongside	O
it	O
for	O
compatibility	O
.	O
</s>
<s>
In	O
early	O
January	O
2015	O
,	O
The	O
Verge	O
obtained	O
further	O
details	O
surrounding	O
"	O
Spartan	O
"	O
from	O
sources	O
close	O
to	O
Microsoft	O
,	O
including	O
reports	O
that	O
it	O
would	O
replace	O
Internet	B-Application
Explorer	I-Application
on	O
both	O
the	O
desktop	O
and	O
mobile	O
versions	O
of	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
It	O
was	O
described	O
as	O
a	O
separate	O
product	O
from	O
Internet	B-Application
Explorer	I-Application
,	O
its	O
final	O
name	O
was	O
not	O
announced	O
.	O
</s>
<s>
"	O
Spartan	O
"	O
was	O
first	O
made	O
publicly	O
available	O
as	O
the	O
default	O
browser	B-Application
of	O
Windows	B-Application
10	I-Application
Technical	I-Application
Preview	I-Application
build	O
10049	O
,	O
released	O
on	O
March	O
30	O
,	O
2015	O
.	O
</s>
<s>
The	O
new	O
engine	O
used	O
by	O
"	O
Spartan	O
"	O
was	O
available	O
in	O
Windows	B-Operating_System
10	I-Operating_System
builds	O
as	O
part	O
of	O
Internet	B-Application
Explorer	I-Application
11	I-Application
,	O
Microsoft	O
later	O
announced	O
that	O
Internet	B-Application
Explorer	I-Application
would	O
be	O
deprecated	O
on	O
Windows	B-Operating_System
10	I-Operating_System
and	O
would	O
not	O
use	O
the	O
"	O
Spartan	O
"	O
engine	O
.	O
</s>
<s>
On	O
April	O
29	O
,	O
2015	O
,	O
during	O
the	O
Build	O
Conference	O
keynote	O
,	O
it	O
was	O
announced	O
that	O
"	O
Spartan	O
"	O
would	O
officially	O
be	O
known	O
as	O
Microsoft	B-Application
Edge	I-Application
.	O
</s>
<s>
The	O
browser	B-Application
's	O
logo	O
and	O
branding	O
were	O
designed	O
to	O
maintain	O
continuity	O
with	O
the	O
branding	O
of	O
Internet	B-Application
Explorer	I-Application
.	O
</s>
<s>
On	O
June	O
25	O
,	O
2015	O
,	O
Microsoft	O
released	O
version	O
19.10149	O
for	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
which	O
included	O
the	O
new	O
brand	O
.	O
</s>
<s>
On	O
August	O
12	O
,	O
2015	O
,	O
Microsoft	O
started	O
the	O
preview	O
program	O
for	O
the	O
next	O
version	O
of	O
Microsoft	B-Application
Edge	I-Application
.	O
</s>
<s>
On	O
November	O
12	O
,	O
2015	O
,	O
the	O
update	O
was	O
rolled	O
out	O
to	O
both	O
desktop	O
users	O
and	O
Xbox	B-Device
One	I-Device
users	O
as	O
part	O
of	O
the	O
New	B-Device
Xbox	I-Device
Experience	O
Update	O
.	O
</s>
<s>
On	O
November	O
18	O
,	O
2015	O
,	O
the	O
update	O
was	O
to	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
.	O
</s>
<s>
Finally	O
,	O
on	O
November	O
19	O
,	O
2015	O
,	O
the	O
update	O
was	O
also	O
made	O
available	O
as	O
part	O
of	O
the	O
Windows	B-Device
Server	I-Device
2016	I-Device
Technical	O
Preview	O
4	O
.	O
</s>
<s>
In	O
November	O
2017	O
,	O
Microsoft	O
released	O
ports	O
of	O
Edge	O
for	O
Android	B-Application
and	O
iOS	B-Application
.	O
</s>
<s>
The	O
apps	O
feature	O
integration	O
and	O
synchronization	O
with	O
the	O
desktop	O
version	O
on	O
Windows	B-Operating_System
10	I-Operating_System
PCs	O
.	O
</s>
<s>
Due	O
to	O
platform	O
restrictions	O
and	O
other	O
factors	O
,	O
these	O
ports	O
do	O
not	O
use	O
the	O
same	O
layout	B-Protocol
engine	I-Protocol
as	O
the	O
desktop	O
version	O
and	O
instead	O
use	O
OS-native	O
WebKit-based	O
engines	O
.	O
</s>
<s>
In	O
June	O
2018	O
,	O
support	O
for	O
the	O
Web	O
Authentication	O
specifications	O
were	O
added	O
to	O
Windows	B-Application
Insider	I-Application
builds	O
,	O
with	O
support	O
for	O
Windows	O
Hello	O
and	O
external	O
security	O
tokens	O
.	O
</s>
<s>
Microsoft	O
stopped	O
supporting	O
Microsoft	B-Application
Edge	I-Application
Legacy	O
on	O
March	O
9	O
,	O
2021	O
.	O
</s>
<s>
EdgeHTML	B-Application
is	O
the	O
proprietary	B-Application
browser	B-Protocol
engine	I-Protocol
originally	O
developed	O
for	O
Edge	O
.	O
</s>
<s>
It	O
is	O
a	O
fork	B-Application
of	O
MSHTML	B-Application
(	O
Trident	B-Application
)	O
with	O
all	O
legacy	O
code	O
of	O
older	O
versions	O
of	O
Internet	B-Application
Explorer	I-Application
removed	O
,	O
with	O
the	O
majority	O
of	O
its	O
source	O
code	O
rewritten	O
to	O
support	O
web	O
standards	O
and	O
interoperability	O
with	O
other	O
modern	O
browsers	B-Application
.	O
</s>
<s>
EdgeHTML	B-Application
is	O
written	O
in	O
C++	B-Language
.	O
</s>
<s>
The	O
rendering	O
engine	O
was	O
first	O
released	O
as	O
an	O
experimental	O
option	O
in	O
Internet	B-Application
Explorer	I-Application
11	I-Application
as	O
part	O
of	O
the	O
Windows	B-Operating_System
10	I-Operating_System
Preview	O
9926	O
build	O
.	O
</s>
<s>
EdgeHTML	B-Application
is	O
meant	O
to	O
be	O
fully	O
compatible	O
with	O
the	O
WebKit	B-Language
layout	B-Protocol
engine	I-Protocol
used	O
by	O
Safari	B-Application
,	O
Chrome	B-Application
,	O
and	O
other	O
browsers	B-Application
.	O
</s>
<s>
Microsoft	O
stated	O
their	O
original	O
acceptance	O
criteria	O
:	O
"	O
Any	O
Edge	O
–	O
WebKit	B-Language
differences	O
are	O
bugs	O
that	O
we	O
’re	O
interested	O
in	O
fixing.	O
"	O
</s>
<s>
A	O
review	O
of	O
the	O
engine	O
in	O
the	O
beta	O
Windows	B-Operating_System
10	I-Operating_System
build	O
by	O
AnandTech	O
found	O
substantial	O
benchmark	O
improvements	O
over	O
MSHTML	B-Application
(	O
Trident	B-Application
)	O
,	O
particularly	O
its	O
new	O
Chakra	B-Language
JavaScript	B-Language
engine	I-Language
performance	O
,	O
which	O
had	O
come	O
up	O
to	O
par	O
with	O
that	O
of	O
Google	B-Application
Chrome	I-Application
.	O
</s>
<s>
Other	O
benchmarks	O
focusing	O
on	O
the	O
performance	O
of	O
the	O
WebGL	B-Library
API	I-Library
found	O
EdgeHTML	B-Application
to	O
perform	O
much	O
better	O
than	O
Google	B-Application
Chrome	I-Application
and	O
Mozilla	B-Application
Firefox	I-Application
.	O
</s>
<s>
Codenamed	O
"	O
Anaheim	B-Language
"	O
,	O
on	O
December	O
6	O
,	O
2018	O
,	O
Microsoft	O
announced	O
its	O
intent	O
to	O
base	O
Edge	O
on	O
the	O
Chromium	B-Language
source	O
code	O
,	O
using	O
the	O
same	O
browser	B-Protocol
engine	I-Protocol
as	O
Google	B-Application
Chrome	I-Application
but	O
with	O
enhancements	O
developed	O
by	O
Microsoft	O
.	O
</s>
<s>
It	O
was	O
also	O
announced	O
that	O
there	O
will	O
be	O
versions	O
of	O
Edge	O
available	O
for	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Application
8	I-Application
,	O
and	O
macOS	B-Application
,	O
plus	O
that	O
all	O
versions	O
will	O
be	O
updated	O
on	O
a	O
more	O
frequent	O
basis	O
.	O
</s>
<s>
On	O
April	O
8	B-Application
,	O
2019	B-Device
,	O
the	O
first	O
builds	O
of	O
the	O
new	O
Edge	O
for	O
Windows	O
were	O
released	O
to	O
the	O
public	O
.	O
</s>
<s>
On	O
May	O
20	O
,	O
2019	B-Device
,	O
the	O
first	O
preview	O
builds	O
of	O
Edge	O
for	O
macOS	B-Application
were	O
released	O
to	O
the	O
public	O
,	O
marking	O
the	O
first	O
time	O
in	O
13	O
years	O
that	O
a	O
Microsoft	O
browser	B-Application
was	O
available	O
on	O
the	O
Mac	O
platform	O
.	O
</s>
<s>
The	O
last	O
time	O
a	O
Microsoft	O
browser	B-Application
was	O
available	O
on	O
the	O
Mac	O
platform	O
was	O
Microsoft	B-Protocol
Internet	I-Protocol
Explorer	I-Protocol
for	I-Protocol
Mac	I-Protocol
,	O
which	O
was	O
withdrawn	O
in	O
January	O
2006	O
.	O
</s>
<s>
On	O
June	O
18	O
,	O
2019	B-Device
,	O
IAmA	O
post	O
on	O
Reddit	B-Application
,	O
an	O
Edge	O
developer	O
stated	O
that	O
it	O
was	O
theoretically	O
possible	O
for	O
a	O
Linux	B-Application
version	O
to	O
be	O
developed	O
in	O
the	O
future	O
,	O
but	O
no	O
work	O
had	O
actually	O
started	O
on	O
that	O
possibility	O
.	O
</s>
<s>
On	O
June	O
19	O
,	O
2019	B-Device
,	O
Microsoft	O
made	O
Edge	O
available	O
on	O
both	O
Windows	B-Device
7	I-Device
and	O
Windows	B-Application
8	I-Application
for	O
testing	O
.	O
</s>
<s>
On	O
August	O
20	O
,	O
2019	B-Device
,	O
Microsoft	O
made	O
its	O
first	O
beta	O
build	O
of	O
Edge	O
available	O
for	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Application
8	I-Application
,	O
Windows	B-Operating_System
10	I-Operating_System
and	O
macOS	B-Application
.	O
</s>
<s>
August	O
2019	B-Device
also	O
saw	O
the	O
removal	O
of	O
support	O
for	O
the	O
EPUB	O
file	O
format	O
.	O
</s>
<s>
The	O
new	O
Edge	O
was	O
released	O
on	O
January	O
15	O
,	O
2020	O
,	O
and	O
was	O
gradually	O
rolled	O
out	O
to	O
all	O
Windows	B-Operating_System
10	I-Operating_System
users	O
.	O
</s>
<s>
The	O
new	O
Edge	O
was	O
also	O
rolled	O
out	O
to	O
Windows	B-Device
7	I-Device
and	O
8.1	B-Device
users	O
via	O
Windows	O
Update	O
.	O
</s>
<s>
On	O
September	O
22	O
,	O
2020	O
,	O
Microsoft	O
announced	O
that	O
a	O
beta	O
version	O
of	O
Edge	O
for	O
Linux	B-Application
would	O
be	O
available	O
in	O
preview	O
form	O
in	O
October	O
2020	O
.	O
</s>
<s>
This	O
comes	O
after	O
the	O
company	O
announced	O
in	O
November	O
2019	B-Device
that	O
a	O
Linux	B-Application
version	O
would	O
be	O
developed	O
and	O
confirmed	O
in	O
May	O
2020	O
that	O
the	O
Linux	B-Application
version	O
was	O
in	O
development	O
.	O
</s>
<s>
The	O
first	O
preview	O
build	O
for	O
Linux	B-Application
was	O
released	O
on	O
October	O
20	O
,	O
2020	O
.	O
</s>
<s>
Full	O
support	O
for	O
the	O
new	O
Edge	O
on	O
Windows	B-Device
7	I-Device
was	O
scheduled	O
to	O
end	O
on	O
January	O
15	O
,	O
2022	O
,	O
but	O
was	O
later	O
extended	O
to	O
January	O
15	O
,	O
2023	O
.	O
</s>
<s>
On	O
April	O
29	O
,	O
2022	O
,	O
Microsoft	O
announced	O
integrated	O
VPN	O
support	O
for	O
Microsoft	B-Application
Edge	I-Application
,	O
coming	O
in	O
line	O
with	O
this	O
privacy	O
feature	O
with	O
Chrome	B-Application
and	O
Firefox	B-Application
.	O
</s>
<s>
PDF	B-Application
Improvements	O
:	O
</s>
<s>
Extensions	O
from	O
both	O
the	O
Microsoft	O
and	O
Chrome	B-Application
Stores	O
will	O
synchronize	O
with	O
Microsoft	B-Application
Edge	I-Application
on	O
all	O
the	O
user	O
's	O
devices	O
.	O
</s>
<s>
Also	O
added	O
group	O
policy	O
support	O
for	O
cases	O
when	O
Internet	B-Application
Explorer	I-Application
mode	O
home	O
page	O
navigations	O
needs	O
to	O
be	O
delayed	O
until	O
the	O
site	O
list	O
is	O
downloaded	O
.	O
</s>
<s>
Allowed	O
users	O
to	O
sign	O
into	O
the	O
browser	B-Application
when	O
Microsoft	B-Application
Edge	I-Application
is	O
“	O
run	O
as	O
administrator	O
”	O
on	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
To	O
help	O
discover	O
impacted	O
sites	O
,	O
you	O
can	O
set	O
the	O
edge://flags/	O
#display	O
-legacy-tls-warnings	O
flag	O
to	O
cause	O
Microsoft	B-Application
Edge	I-Application
to	O
display	O
a	O
non-blocking	O
“	O
Not	O
Secure	O
”	O
notice	O
when	O
loading	O
pages	O
that	O
require	O
legacy	O
TLS	O
protocols	O
.	O
</s>
<s>
Early	O
benchmarks	O
of	O
the	O
EdgeHTML	B-Application
engine	O
—	O
included	O
in	O
the	O
first	O
beta	O
release	O
of	O
Edge	O
in	O
Windows	B-Operating_System
10	I-Operating_System
Build	O
10049	O
—	O
had	O
drastically	O
better	O
JavaScript	O
performance	O
due	O
to	O
the	O
new	O
Chakra	B-Language
than	O
MSHTML	B-Application
(	O
Trident	B-Application
)	O
7	O
using	O
the	O
older	O
Chakra	B-Language
in	O
Internet	B-Application
Explorer	I-Application
11	I-Application
,	O
with	O
similar	O
performance	O
to	O
Google	B-Application
Chrome	I-Application
41	O
and	O
Mozilla	B-Application
Firefox	I-Application
37	O
.	O
</s>
<s>
In	O
the	O
SunSpider	O
benchmark	O
,	O
Edge	O
performed	O
faster	O
than	O
other	O
browsers	B-Application
,	O
while	O
in	O
other	O
benchmarks	O
it	O
operated	O
slower	O
than	O
Google	B-Application
Chrome	I-Application
,	O
Mozilla	B-Application
Firefox	I-Application
and	O
Opera	B-Application
.	O
</s>
<s>
Later	O
benchmarks	O
conducted	O
with	O
the	O
version	O
included	O
in	O
10122	O
showed	O
significant	O
performance	O
improvement	O
compared	O
to	O
both	O
IE11	B-Application
and	O
Edge	O
back	O
in	O
10049	O
.	O
</s>
<s>
According	O
to	O
Microsoft	O
's	O
benchmark	O
result	O
,	O
this	O
iteration	O
of	O
Edge	O
performed	O
better	O
than	O
both	O
Chrome	B-Application
and	O
Firefox	B-Application
in	O
Google	B-Application
's	I-Application
Octane	O
2.0	O
and	O
Apple	O
's	O
Jetstream	O
benchmark	O
.	O
</s>
<s>
In	O
July	O
2015	O
,	O
Edge	O
scored	O
377	O
out	O
of	O
555	O
points	O
on	O
the	O
HTML5test	B-Application
.	O
</s>
<s>
Chrome	B-Application
44	O
and	O
Firefox	B-Application
42	O
scored	O
479	O
and	O
434	O
respectively	O
,	O
while	O
Internet	B-Application
Explorer	I-Application
11	I-Application
scored	O
312	O
.	O
</s>
<s>
In	O
August	O
2015	O
,	O
Microsoft	O
released	O
Windows	B-Operating_System
10	I-Operating_System
Build	O
10532	O
to	O
insiders	O
,	O
which	O
included	O
Edge	O
21.10532.0	O
.	O
</s>
<s>
This	O
beta	O
version	O
scored	O
445	O
out	O
of	O
555	O
points	O
on	O
the	O
HTML5test	B-Application
.	O
</s>
<s>
In	O
July	O
2016	B-Device
,	O
with	O
the	O
release	O
of	O
Windows	B-Operating_System
10	I-Operating_System
Build	O
14390	O
to	O
insiders	O
,	O
the	O
HTML5	O
test	O
score	O
of	O
the	O
browser	B-Application
's	O
development	O
version	O
was	O
460	O
out	O
of	O
555	O
points	O
.	O
</s>
<s>
Chrome	B-Application
51	O
scored	O
497	O
,	O
Firefox	B-Application
47	O
scored	O
456	O
,	O
and	O
Safari	B-Application
9.1	O
scored	O
370	O
.	O
</s>
<s>
In	O
June	O
2016	B-Device
,	O
Microsoft	O
published	O
benchmark	O
results	O
to	O
prove	O
the	O
superior	O
power	O
efficiency	O
of	O
Edge	O
in	O
comparison	O
to	O
all	O
other	O
major	O
web	B-Application
browsers	I-Application
.	O
</s>
<s>
Opera	B-Application
questioned	O
the	O
accuracy	O
and	O
provided	O
their	O
own	O
test	O
results	O
where	O
Opera	B-Application
came	O
out	O
on	O
top	O
.	O
</s>
<s>
However	O
,	O
tests	O
conducted	O
by	O
Linus	O
Sebastian	O
in	O
June	O
2017	O
instead	O
showed	O
that	O
,	O
at	O
that	O
time	O
,	O
Chrome	B-Application
had	O
the	O
best	O
battery	O
performance	O
.	O
</s>
<s>
In	O
an	O
August	O
2015	O
review	O
of	O
Windows	B-Operating_System
10	I-Operating_System
by	O
Dan	O
Grabham	O
of	O
TechRadar	O
,	O
Microsoft	B-Application
Edge	I-Application
was	O
praised	O
for	O
its	O
performance	O
,	O
despite	O
not	O
being	O
in	O
a	O
feature-complete	O
state	O
at	O
launch	O
.	O
</s>
<s>
Andrew	O
Cunningham	O
of	O
Ars	O
Technica	O
praised	O
the	O
browser	B-Application
for	O
being	O
"	O
tremendously	O
promising	O
"	O
and	O
"	O
a	O
much	O
better	O
browser	B-Application
than	O
Internet	B-Application
Explorer	I-Application
ever	O
was	O
"	O
but	O
criticized	O
it	O
for	O
its	O
lack	O
of	O
functionality	O
on	O
launch	O
.	O
</s>
<s>
He	O
described	O
the	O
browser	B-Application
's	O
implemented	O
features	O
as	O
"	O
some	O
sort	O
of	O
cosmic	O
joke	O
"	O
,	O
saying	O
that	O
"	O
infuriating	O
does	O
n't	O
even	O
begin	O
to	O
describe	O
it	O
"	O
.	O
</s>
<s>
Data	O
from	O
August	O
2015	O
,	O
a	O
few	O
weeks	O
after	O
release	O
,	O
showed	O
that	O
user	O
uptake	O
of	O
Edge	O
was	O
low	O
,	O
with	O
only	O
2%	O
of	O
overall	O
computer	O
users	O
using	O
the	O
new	O
browser	B-Application
.	O
</s>
<s>
Among	O
Windows	B-Operating_System
10	I-Operating_System
users	O
,	O
usage	O
peaked	O
at	O
20%	O
and	O
then	O
dropped	O
to	O
14%	O
through	O
August	O
2015	O
.	O
</s>
<s>
In	O
October	O
2015	O
,	O
a	O
security	O
researcher	O
published	O
a	O
report	O
outlining	O
a	O
bug	O
in	O
Edge	O
's	O
"	O
InPrivate	O
"	O
mode	O
,	O
causing	O
data	O
related	O
to	O
visited	O
sites	O
to	O
still	O
be	O
cached	B-Protocol
in	O
the	O
user	O
's	O
profile	O
directory	O
,	O
theoretically	O
making	O
it	O
possible	O
for	O
others	O
to	O
determine	O
sites	O
visited	O
.	O
</s>
<s>
The	O
bug	O
gained	O
mainstream	O
attention	O
in	O
early	O
February	O
2016	B-Device
,	O
and	O
was	O
fixed	O
with	O
a	O
cumulative	O
update	O
on	O
February	O
9	O
,	O
2016	B-Device
.	O
</s>
<s>
Microsoft	O
's	O
switch	O
to	O
Blink	B-Language
as	O
Edge	O
's	O
engine	O
has	O
faced	O
mixed	O
reception	O
.	O
</s>
<s>
The	O
move	O
increases	O
the	O
consistency	O
of	O
web	O
platform	O
compatibility	O
between	O
major	O
browsers	B-Application
.	O
</s>
<s>
For	O
this	O
reason	O
,	O
the	O
move	O
has	O
attracted	O
criticism	O
,	O
as	O
it	O
reduces	O
diversity	O
in	O
the	O
overall	O
web	B-Application
browser	I-Application
market	O
and	O
increases	O
the	O
influence	O
of	O
Google	B-Application
on	O
the	O
overall	O
browser	B-Application
market	O
by	O
Microsoft	O
ceding	O
its	O
independently	O
developed	O
browser	B-Protocol
engine	I-Protocol
.	O
</s>
<s>
According	O
to	O
Douglas	O
J	O
.	O
Leith	O
,	O
a	O
computer	O
science	O
professor	O
from	O
Trinity	O
College	O
,	O
Dublin	O
,	O
Microsoft	B-Application
Edge	I-Application
is	O
among	O
the	O
least	O
private	O
browsers	B-Application
.	O
</s>
<s>
He	O
explained	O
,	O
"	O
from	O
a	O
privacy	O
perspective	O
Microsoft	B-Application
Edge	I-Application
and	O
Yandex	O
are	O
much	O
more	O
worrisome	O
than	O
the	O
other	O
browsers	B-Application
studied	O
.	O
</s>
<s>
Both	O
send	O
identifiers	O
that	O
are	O
linked	O
to	O
the	O
device	O
hardware	O
and	O
so	O
persist	O
across	O
fresh	O
browser	B-Application
installs	O
and	O
can	O
also	O
be	O
used	O
to	O
link	O
different	O
apps	O
running	O
on	O
the	O
same	O
device	O
.	O
</s>
<s>
In	O
response	O
,	O
a	O
spokesperson	O
from	O
Microsoft	B-Application
Edge	I-Application
explained	O
that	O
it	O
uses	O
user	O
diagnostic	O
data	O
to	O
improve	O
the	O
product	O
.	O
</s>
<s>
In	O
June	O
2020	O
,	O
users	O
criticized	O
newly	O
released	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Device
8.1	I-Device
,	O
and	O
Windows	B-Operating_System
10	I-Operating_System
updates	O
that	O
installed	O
Edge	O
and	O
imported	O
some	O
user	O
data	O
from	O
Chrome	B-Application
and	O
Firefox	B-Application
prior	O
to	O
obtaining	O
user	O
permission	O
.	O
</s>
<s>
However	O
,	O
if	O
the	O
browser	B-Application
crashes	O
before	O
the	O
user	O
has	O
a	O
chance	O
to	O
reject	O
the	O
import	O
,	O
then	O
the	O
already	O
imported	O
data	O
will	O
not	O
be	O
cleared	O
.	O
</s>
<s>
Microsoft	O
uses	O
proprietary	B-Application
URL	O
handlers	O
in	O
Windows	B-Operating_System
10	I-Operating_System
and	O
11	O
to	O
redirect	O
URLs	O
accessed	O
via	O
system	O
search	O
functions	O
to	O
Edge	O
,	O
even	O
if	O
the	O
user	O
had	O
not	O
chosen	O
Edge	O
as	O
their	O
default	O
browser	B-Application
.	O
</s>
<s>
In	O
November	O
2021	O
,	O
a	O
patch	O
was	O
released	O
to	O
frustrate	O
a	O
workaround	O
employed	O
by	O
the	O
third-party	O
tool	O
"	O
EdgeDeflector	O
"	O
,	O
with	O
a	O
Microsoft	O
spokesperson	O
stating	O
that	O
search	O
in	O
the	O
Windows	B-Application
shell	I-Application
is	O
an	O
"	O
end-to-end	O
customer	O
experience	O
"	O
that	O
is	O
not	O
designed	O
to	O
be	O
modified	O
.	O
</s>
<s>
In	O
December	O
2021	O
,	O
it	O
was	O
similarly	O
reported	O
that	O
Microsoft	O
was	O
testing	O
the	O
display	O
of	O
in-browser	O
advertising	O
prompts	O
on	O
the	B-Application
Google	I-Application
Chrome	B-Application
website	O
to	O
discourage	O
downloading	O
the	O
browser	B-Application
.	O
</s>
<s>
According	O
to	O
StatCounter	O
,	O
in	O
August	O
2019	B-Device
,	O
Edge	O
overtook	O
the	O
market	O
share	O
of	O
Internet	B-Application
Explorer	I-Application
(	O
IE	O
)	O
on	O
PCs	O
,	O
ranking	O
third	O
place	O
at	O
9.14	O
%	O
and	O
IE	O
in	O
sixth	O
.	O
</s>
<s>
Mobile	O
versions	O
of	O
Edge	O
exist	O
for	O
Android	B-Application
and	O
iOS	B-Application
,	O
however	O
,	O
they	O
have	O
little	O
to	O
no	O
market	O
share	O
.	O
</s>
<s>
On	O
Microsoft	O
consoles	O
,	O
Edge	O
replaced	O
IE	O
as	O
the	O
dominant	O
browser	B-Application
a	O
few	O
months	O
after	O
its	O
release	O
in	O
2015	O
.	O
</s>
<s>
On	O
some	O
days	O
of	O
the	O
week	O
,	O
Edge	O
takes	O
second	O
place	O
with	O
a	O
10.02	O
%	O
share	O
in	O
the	O
US	O
on	O
PC	O
,	O
and	O
Firefox	B-Application
and	O
Edge	O
have	O
a	O
very	O
similar	O
share	O
globally	O
,	O
switching	O
places	O
for	O
second	O
and	O
third	O
depending	O
on	O
the	O
day	O
.	O
</s>
<s>
For	O
example	O
,	O
in	O
March	O
2020	O
,	O
Edge	O
ranked	O
second	O
with	O
a	O
market	O
share	O
of	O
7.59	O
%	O
,	O
overtaking	O
Firefox	B-Application
,	O
which	O
had	O
7.19	O
%	O
of	O
the	O
market	O
share	O
.	O
</s>
