<s>
Safari	B-Application
is	O
a	O
web	B-Application
browser	I-Application
developed	O
by	O
Apple	O
.	O
</s>
<s>
It	O
is	O
built	O
into	O
Apple	O
's	O
operating	O
systems	O
,	O
including	O
macOS	B-Application
,	O
iOS	B-Application
,	O
and	O
iPadOS	B-Operating_System
,	O
and	O
uses	O
Apple	O
's	O
open-source	B-Application
browser	B-Application
engine	O
WebKit	B-Language
,	O
which	O
was	O
derived	O
from	O
KHTML	B-Language
.	O
</s>
<s>
Safari	B-Application
was	O
introduced	O
in	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
Panther	I-Operating_System
in	O
January	O
2003	O
.	O
</s>
<s>
It	O
was	O
included	O
with	O
the	O
iPhone	B-Device
since	O
the	O
latter	O
's	O
first	O
generation	O
,	O
which	O
came	O
out	O
in	O
2007	O
.	O
</s>
<s>
At	O
that	O
time	O
,	O
Safari	B-Application
was	O
the	O
fastest	O
browser	B-Application
on	O
the	O
Mac	B-Device
.	O
</s>
<s>
Between	O
2007	O
and	O
2012	O
,	O
Apple	O
maintained	O
a	O
Windows	B-Application
version	O
,	O
but	O
abandoned	O
it	O
due	O
to	O
low	O
market	B-Application
share	I-Application
.	O
</s>
<s>
In	O
2010	O
,	O
Safari	B-Application
5	O
introduced	O
a	O
reader	O
mode	O
,	O
extensions	O
,	O
and	O
developer	O
tools	O
.	O
</s>
<s>
Safari	B-Application
11	O
,	O
released	O
in	O
2017	O
,	O
added	O
Intelligent	O
Tracking	O
Prevention	O
,	O
which	O
uses	O
artificial	B-Application
intelligence	I-Application
to	O
block	O
web	B-Application
tracking	I-Application
.	O
</s>
<s>
Safari	B-Application
13	O
added	O
support	O
for	O
Apple	O
Pay	O
,	O
and	O
authentication	O
with	O
FIDO2	O
security	O
keys	O
.	O
</s>
<s>
Its	O
interface	O
was	O
redesigned	O
in	O
Safari	B-Application
15	O
.	O
</s>
<s>
After	O
its	O
1994	O
release	O
Netscape	B-Protocol
Navigator	I-Protocol
rapidly	O
became	O
the	O
dominant	O
Mac	B-Device
browser	B-Application
,	O
and	O
eventually	O
came	O
bundled	O
with	O
Mac	B-Application
OS	I-Application
.	O
</s>
<s>
In	O
1996	O
,	O
Microsoft	O
released	O
Internet	B-Protocol
Explorer	I-Protocol
for	I-Protocol
Mac	I-Protocol
,	O
and	O
Apple	O
released	O
the	O
Cyberdog	B-Protocol
internet	O
suite	O
,	O
which	O
included	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
In	O
1997	O
,	O
Apple	O
shelved	O
Cyberdog	B-Protocol
,	O
and	O
reached	O
a	O
five-year	O
agreement	O
with	O
Microsoft	O
to	O
make	O
IE	O
the	O
default	O
browser	B-Application
on	O
the	O
Mac	B-Device
,	O
starting	O
with	O
Mac	B-Device
OS	O
8.1	O
.	O
</s>
<s>
Netscape	O
continued	O
to	O
be	O
preinstalled	O
on	O
all	O
Macintoshes	B-Device
.	O
</s>
<s>
Microsoft	O
continued	O
to	O
update	O
IE	B-Protocol
for	I-Protocol
Mac	I-Protocol
,	O
which	O
was	O
ported	O
to	O
Mac	B-Device
OS	I-Device
X	I-Device
DP4	O
in	O
May	O
2000	O
.	O
</s>
<s>
Before	O
the	O
name	O
Safari	B-Application
,	O
a	O
couple	O
of	O
others	O
were	O
drafted	O
including	O
the	O
title	O
'	O
Freedom	O
 '	O
.	O
</s>
<s>
For	O
over	O
a	O
year	O
,	O
it	O
was	O
privately	O
referred	O
to	O
as	O
'	O
Alexander	O
 '	O
,	O
which	O
means	O
strings	O
in	O
coding	O
formats	O
;	O
and	O
'	O
iBrowse	O
 '	O
prior	O
to	O
Safari	B-Application
being	O
conceived	O
.	O
</s>
<s>
On	O
January	O
7	O
,	O
2003	O
,	O
at	O
Macworld	O
San	O
Francisco	O
,	O
Apple	O
CEO	O
Steve	O
Jobs	O
announced	O
Safari	B-Application
that	O
was	O
based	O
on	O
WebKit	B-Language
,	O
the	O
company	O
's	O
internal	O
fork	B-Application
of	O
the	O
KHTML	B-Language
browser	B-Application
engine	O
.	O
</s>
<s>
Apple	O
released	O
the	O
first	O
beta	O
version	O
exclusively	O
on	O
Mac	B-Device
OS	I-Device
X	I-Device
the	O
same	O
day	O
.	O
</s>
<s>
On	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
v10.3	I-Operating_System
,	O
Safari	B-Application
was	O
pre-installed	O
as	O
the	O
system	O
's	O
default	O
browser	B-Application
,	O
rather	O
than	O
requiring	O
a	O
manual	O
download	O
,	O
as	O
was	O
the	O
case	O
with	O
the	O
previous	O
Mac	B-Device
OS	I-Device
X	I-Device
versions	O
.	O
</s>
<s>
Safari	B-Application
's	O
predecessor	O
,	O
the	O
Internet	B-Protocol
Explorer	I-Protocol
for	I-Protocol
Mac	I-Protocol
,	O
was	O
then	O
included	O
in	O
10.3	B-Operating_System
as	O
an	O
alternative	O
.	O
</s>
<s>
In	O
April	O
2005	O
,	O
Engineer	O
Dave	O
Hyatt	O
fixed	O
several	O
bugs	B-Error_Name
in	O
Safari	B-Application
.	O
</s>
<s>
His	O
experimental	O
beta	O
passed	O
the	O
Acid2	O
rendering	O
test	O
on	O
April	O
27	O
,	O
2005	O
,	O
marking	O
it	O
the	O
first	O
browser	B-Application
to	O
do	O
so	O
.	O
</s>
<s>
Safari	B-Application
2.0	O
which	O
was	O
released	O
on	O
April	O
29	O
,	O
2005	O
,	O
was	O
the	O
sole	O
browser	B-Application
Mac	B-Application
OS	I-Application
X	I-Application
10.4	I-Application
offered	O
by	O
default	O
.	O
</s>
<s>
Apple	O
touted	O
this	O
version	O
as	O
it	O
was	O
capable	O
of	O
running	O
a	O
1.8x	O
speed	O
boost	O
compared	O
to	O
version	O
1.2.4	O
but	O
it	O
did	O
not	O
yet	O
feature	O
the	O
Acid2	O
bug	B-Error_Name
fixes	O
.	O
</s>
<s>
These	O
major	O
changes	O
were	O
initially	O
unavailable	O
for	O
end-users	O
unless	O
they	O
privately	O
installed	O
and	O
compiled	B-Language
the	O
WebKit	B-Language
source	O
code	O
or	O
ran	O
one	O
of	O
the	O
nightly	O
automated	O
builds	O
available	O
at	O
OpenDarwin	O
.	O
</s>
<s>
Version	O
2.0.2	O
,	O
released	O
on	O
October	O
31	O
,	O
2005	O
,	O
finally	O
included	O
the	O
Acid2	O
bug	B-Error_Name
fixes	O
.	O
</s>
<s>
In	O
June	O
2005	O
in	O
efforts	O
of	O
KHTML	B-Language
criticisms	O
over	O
the	O
lack	O
of	O
access	O
to	O
change	O
logs	O
,	O
Apple	O
moved	O
the	O
development	O
source	O
code	O
and	O
bug	B-Error_Name
tracking	O
of	O
WebCore	B-Language
and	O
JavaScriptCore	O
to	O
OpenDarwin	O
.	O
</s>
<s>
They	O
have	O
also	O
open-sourced	O
WebKit	B-Language
.	O
</s>
<s>
The	O
source	O
code	O
is	O
for	O
non-renderer	O
aspects	O
of	O
the	O
browser	B-Application
such	O
as	O
its	O
GUI	B-Application
elements	O
and	O
the	O
remaining	O
proprietary	O
.	O
</s>
<s>
The	O
final	O
stable	O
version	O
of	O
Safari	B-Application
2	O
and	O
the	O
last	O
version	O
released	O
exclusively	O
with	O
Mac	B-Device
OS	I-Device
X	I-Device
,	O
Safari	B-Application
2.0.4	O
,	O
was	O
updated	O
on	O
January	O
10	O
,	O
2006	O
,	O
for	O
Mac	B-Device
OS	I-Device
X	I-Device
.	O
</s>
<s>
It	O
was	O
only	O
available	O
within	O
Mac	B-Device
OS	I-Device
X	I-Device
Update	O
10.4.4	O
,	O
and	O
it	O
delivered	O
fixes	O
to	O
layout	O
and	O
CPU	O
usage	O
issues	O
among	O
other	O
improvements	O
.	O
</s>
<s>
On	O
January	O
9	O
,	O
2007	O
,	O
at	O
Macworld	O
San	O
Francisco	O
,	O
Jobs	O
unveiled	O
that	O
Safari	B-Application
3	O
was	O
ported	O
to	O
the	O
newly-introduced	O
iPhone	B-Device
within	O
iPhone	B-Device
OS	O
(	O
later	O
called	O
iOS	B-Application
)	O
.	O
</s>
<s>
At	O
WWDC	O
2007	O
,	O
Jobs	O
announced	O
Safari	B-Application
3	O
for	O
Mac	B-Application
OS	I-Application
X	I-Application
10.5	I-Application
,	O
Windows	B-Application
XP	O
,	O
and	O
Windows	B-Application
Vista	O
.	O
</s>
<s>
He	O
ran	O
a	O
benchmark	O
based	O
on	O
the	O
iBench	O
browser	B-Application
test	O
suite	O
comparing	O
the	O
most	O
popular	O
Windows	B-Application
browsers	B-Application
to	O
the	O
browser	B-Application
,	O
and	O
claimed	O
that	O
Safari	B-Application
had	O
the	O
fastest	O
performance	O
.	O
</s>
<s>
His	O
claim	O
was	O
later	O
examined	O
by	O
a	O
third-party	O
site	O
called	O
Web	O
Performance	O
over	O
HTTP	B-Protocol
load	O
times	O
.	O
</s>
<s>
They	O
verified	O
that	O
Safari	B-Application
3	O
was	O
indeed	O
the	O
fastest	O
browser	B-Application
on	O
the	O
Windows	B-Application
platform	O
in	O
terms	O
of	O
initial	O
data	O
loading	O
over	O
the	O
Internet	O
,	O
though	O
it	O
was	O
only	O
negligibly	O
faster	O
than	O
Internet	B-Application
Explorer	I-Application
7	I-Application
and	O
Mozilla	B-Application
Firefox	I-Application
when	O
it	O
came	O
to	O
static	O
content	O
from	O
the	O
local	O
cache	B-Protocol
.	O
</s>
<s>
The	O
initial	O
Safari	B-Application
3	O
beta	O
version	O
for	O
Windows	B-Application
,	O
released	O
on	O
the	O
same	O
day	O
as	O
its	O
announcement	O
at	O
WWDC	O
2007	O
,	O
contained	O
several	O
bugs	B-Error_Name
and	O
a	O
zero	O
day	O
exploit	O
that	O
allowed	O
remote	O
code	O
executions	O
.	O
</s>
<s>
On	O
June	O
22	O
,	O
2007	O
,	O
Apple	O
released	O
Safari	B-Application
3.0.2	O
to	O
address	O
some	O
bugs	B-Error_Name
,	O
performance	O
problems	O
,	O
and	O
other	O
security	O
issues	O
.	O
</s>
<s>
Safari	B-Application
3.0.2	O
for	O
Windows	B-Application
handled	O
some	O
fonts	O
that	O
were	O
missing	O
in	O
the	O
browser	B-Application
but	O
already	O
installed	O
on	O
Windows	B-Application
computers	I-Application
such	O
as	O
Tahoma	O
,	O
Trebuchet	O
MS	O
,	O
and	O
others	O
.	O
</s>
<s>
The	O
iPhone	B-Device
was	O
previously	O
released	O
on	O
June	O
29	O
,	O
2007	O
,	O
with	O
a	O
version	O
of	O
Safari	B-Application
based	O
on	O
the	O
same	O
WebKit	B-Language
rendering	O
engine	O
as	O
the	O
desktop	O
version	O
but	O
with	O
a	O
modified	O
feature	O
set	O
better	O
suited	O
for	O
a	O
mobile	O
device	O
.	O
</s>
<s>
The	O
version	O
number	O
of	O
Safari	B-Application
as	O
reported	O
in	O
its	O
user	B-Protocol
agent	I-Protocol
string	I-Protocol
is	O
3.0	O
was	O
in	O
line	O
along	O
with	O
the	O
contemporary	O
desktop	O
editions	O
.	O
</s>
<s>
The	O
first	O
stable	O
,	O
non-beta	O
version	O
of	O
Safari	B-Application
for	I-Application
Windows	I-Application
,	O
Safari	B-Application
3.1	O
,	O
was	O
offered	O
as	O
a	O
free	O
download	O
on	O
March	O
18	O
,	O
2008	O
.	O
</s>
<s>
In	O
June	O
2008	O
,	O
Apple	O
released	O
version	O
3.1.2	O
,	O
which	O
addressed	O
a	O
security	O
vulnerability	O
in	O
the	O
Windows	B-Application
version	O
where	O
visiting	O
a	O
malicious	O
web	O
site	O
could	O
force	O
a	O
download	O
of	O
executable	O
files	O
and	O
execute	O
them	O
on	O
the	O
user	O
's	O
desktop	O
.	O
</s>
<s>
Safari	B-Application
3.2	O
,	O
released	O
on	O
November	O
13	O
,	O
2008	O
,	O
introduced	O
anti-phishing	O
features	O
using	O
Google	B-Application
Safe	I-Application
Browsing	I-Application
and	O
Extended	B-Application
Validation	I-Application
Certificate	I-Application
support	O
.	O
</s>
<s>
The	O
final	O
version	O
of	O
Safari	B-Application
3	O
was	O
version	O
3.2.3	O
,	O
which	O
was	O
released	O
on	O
May	O
12	O
,	O
2009	O
,	O
with	O
security	O
improvements	O
.	O
</s>
<s>
Safari	B-Application
4	O
was	O
released	O
on	O
June	O
8	O
,	O
2009	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
version	O
that	O
had	O
completely	O
passed	O
the	O
Acid3	O
rendering	O
test	O
,	O
as	O
well	O
as	O
the	O
first	O
version	O
to	O
support	O
HTML5	B-Application
.	O
</s>
<s>
It	O
incorporated	O
WebKit	B-Language
JavaScript	B-Language
engine	I-Language
SquirrelFish	O
that	O
significantly	O
enhanced	O
the	O
browser	B-Application
's	O
script	O
interpretation	O
performances	O
by	O
29.9x	O
.	O
</s>
<s>
A	O
public	O
beta	O
of	O
Safari	B-Application
4	O
was	O
experimented	O
in	O
February	O
24	O
,	O
2009	O
.	O
</s>
<s>
Safari	B-Application
4	O
relied	O
on	O
Cover	O
Flow	O
to	O
run	O
the	O
History	O
and	O
Bookmarks	O
,	O
and	O
it	O
featured	O
Speculative	O
Loading	O
that	O
automatically	O
pre-loaded	O
document	O
information	O
that	O
is	O
required	O
to	O
visit	O
a	O
particular	O
website	O
.	O
</s>
<s>
The	O
desktop	O
version	O
of	O
Safari	B-Application
4	O
included	O
a	O
redesign	O
similar	O
to	O
that	O
of	O
the	O
iPhone	B-Device
.	O
</s>
<s>
The	O
update	O
also	O
commissioned	O
many	O
developer	O
tool	O
improvements	O
including	O
Web	B-Application
Inspectors	I-Application
,	O
CSS	O
element	O
viewings	O
,	O
JavaScript	B-Language
debuggers	I-Language
and	O
profilers	O
,	O
offline	O
tables	O
,	O
database	O
management	O
,	O
SQL	B-Language
support	O
and	O
resource	O
graphs	O
.	O
</s>
<s>
In	O
additions	O
to	O
CSS	O
retouching	O
effects	O
,	O
CSS	O
canvas	O
,	O
and	O
HTML5	B-Application
content	O
.	O
</s>
<s>
It	O
replaced	O
the	O
initial	O
Mac	O
OS	O
X-like	O
interface	O
with	O
native	O
Windows	B-Application
themes	O
on	O
Windows	B-Application
using	O
native	O
font	O
renderings	O
.	O
</s>
<s>
Safari	B-Application
4.0.1	O
was	O
released	O
for	O
Mac	B-Device
on	O
June	O
17	O
,	O
2009	O
,	O
and	O
fixed	O
Faces	O
bugs	B-Error_Name
in	O
iPhoto	B-Operating_System
'	O
09	O
.	O
</s>
<s>
Safari	B-Application
4	O
in	O
Mac	B-Device
OS	I-Device
X	I-Device
v10.6	I-Device
"	O
Snow	B-Device
Leopard	I-Device
"	O
has	O
built-in	O
64-bit	B-Device
support	I-Device
,	O
which	O
makes	O
JavaScript	B-Language
load	O
up	O
to	O
50%	O
faster	O
.	O
</s>
<s>
It	O
also	O
has	O
native	O
crash	O
resistances	O
that	O
would	O
maintain	O
it	O
intact	O
if	O
a	O
plugin	O
like	O
Flash	B-Operating_System
player	I-Operating_System
crashes	O
,	O
though	O
other	O
tabs	O
or	O
windows	B-Application
would	O
not	O
be	O
affected	O
.	O
</s>
<s>
Safari	B-Application
4.0.4	O
,	O
the	O
final	O
version	O
which	O
was	O
released	O
on	O
November	O
11	O
,	O
2009	O
,	O
for	O
both	O
Mac	B-Device
and	O
Windows	B-Application
,	O
which	O
further	O
improved	O
the	O
JavaScript	B-Language
performances	O
.	O
</s>
<s>
Safari	B-Application
5	O
was	O
released	O
on	O
June	O
7	O
,	O
2010	O
,	O
and	O
was	O
the	O
final	O
version	O
(	O
version	O
5.1.7	O
)	O
for	O
Windows	B-Application
.	O
</s>
<s>
It	O
featured	O
a	O
less	O
distractive	O
reader	O
view	O
,	O
and	O
had	O
a	O
30x	O
faster	O
JavaScript	B-Language
performances	O
.	O
</s>
<s>
It	O
incorporated	O
numerous	O
developer	O
tool	O
improvements	O
including	O
HTML5	B-Application
interoperability	O
,	O
and	O
the	O
accessibility	O
to	O
secure	O
extensions	O
.	O
</s>
<s>
Safari	B-Application
5.0.1	O
enabled	O
the	O
Extensions	O
PrefPane	O
by	O
default	O
,	O
rather	O
than	O
requiring	O
users	O
to	O
manually	O
set	O
it	O
in	O
the	O
Debug	O
menu	O
.	O
</s>
<s>
Apple	O
exclusively	O
released	O
Safari	B-Application
4.1	O
concurrently	O
with	O
Safari	B-Application
5	O
for	O
Mac	B-Application
OS	I-Application
X	I-Application
Tiger	I-Application
.	O
</s>
<s>
It	O
included	O
many	O
features	O
that	O
were	O
found	O
in	O
Safari	B-Application
5	O
,	O
though	O
it	O
excluded	O
the	O
Safari	B-Application
Reader	O
and	O
Safari	B-Application
Extensions	O
.	O
</s>
<s>
Apple	O
released	O
Safari	B-Application
5.1	O
for	O
both	O
Windows	B-Application
and	O
Mac	B-Device
on	O
July	O
20	O
,	O
2011	O
,	O
for	O
Mac	B-Application
OS	I-Application
X	I-Application
10.7	I-Application
Lion	I-Application
;	O
it	O
was	O
faster	O
than	O
Safari	B-Application
5.0	O
,	O
and	O
included	O
the	O
new	O
Reading	O
List	O
feature	O
.	O
</s>
<s>
The	O
company	O
simultaneously	O
announced	O
Safari	B-Application
5.0.6	O
in	O
late	O
June	O
2010	O
for	O
Mac	B-Application
OS	I-Application
X	I-Application
10.5	I-Application
Leopard	I-Application
,	O
though	O
the	O
new	O
functions	O
were	O
excluded	O
from	O
Leopard	B-Application
users	O
.	O
</s>
<s>
Several	O
HTML5	B-Application
features	O
were	O
provided	O
in	O
Safari	B-Application
5	O
.	O
</s>
<s>
It	O
added	O
supports	O
for	O
full-screen	O
video	O
,	O
closed	O
caption	O
,	O
geolocation	O
,	O
EventSource	O
,	O
and	O
a	O
now	O
obsolete	O
early	O
variant	O
of	O
the	O
WebSocket	B-Protocol
protocol	O
.	O
</s>
<s>
The	O
fifth	O
major	O
version	O
of	O
Safari	B-Application
added	O
supports	O
for	O
Full-text	B-Application
search	I-Application
,	O
and	O
a	O
new	O
search	O
engine	O
,	O
Bing	B-Application
.	O
</s>
<s>
Safari	B-Application
5	O
supported	O
Reader	O
,	O
which	O
displays	O
web	O
pages	O
in	O
a	O
continuous	O
view	O
,	O
without	O
advertisements	O
.	O
</s>
<s>
Safari	B-Application
5	O
supported	O
a	O
smarter	O
address	O
field	O
and	O
DNS	O
prefetching	O
that	O
automatically	O
found	O
links	O
and	O
looked	O
up	O
addresses	O
on	O
the	O
web	O
.	O
</s>
<s>
The	O
Windows	B-Application
version	O
received	O
an	O
extra	O
update	O
on	O
Graphic	O
acceleration	O
as	O
well	O
.	O
</s>
<s>
The	O
blue	O
inline	O
progress	O
bar	O
was	O
returned	O
to	O
the	O
address	O
bar	O
;	O
in	O
addition	O
to	O
the	O
spinning	O
bezel	O
and	O
loading	O
indicator	O
introduced	O
in	O
Safari	B-Application
4	O
.	O
</s>
<s>
Other	O
features	O
included	O
Extension	O
Builder	O
for	O
developers	O
of	O
Safari	B-Application
Extensions	O
.	O
</s>
<s>
Safari	B-Application
5	O
supports	O
Extensions	O
,	O
add-ons	O
that	O
customize	O
the	O
web	O
browsing	O
experience	O
.	O
</s>
<s>
Extensions	O
are	O
built	O
using	O
web	O
standards	O
such	O
as	O
HTML5	B-Application
,	O
CSS3	O
,	O
and	O
JavaScript	B-Language
.	O
</s>
<s>
Safari	B-Application
6.0	O
was	O
previously	O
referred	O
to	O
as	O
Safari	B-Application
5.2	O
until	O
Apple	O
changed	O
the	O
version	O
number	O
at	O
WWDC	O
2012	O
.	O
</s>
<s>
The	O
stable	O
release	O
of	O
Safari	B-Application
6	O
coincided	O
with	O
the	O
release	O
of	O
OS	B-Operating_System
X	I-Operating_System
Mountain	I-Operating_System
Lion	I-Operating_System
on	O
July	O
25	O
,	O
2012	O
,	O
and	O
was	O
integrated	O
within	O
OS	O
.	O
</s>
<s>
Apple	O
released	O
Safari	B-Application
6	O
via	O
Software	O
Update	O
for	O
users	O
of	O
OS	B-Application
X	I-Application
Lion	I-Application
.	O
</s>
<s>
It	O
was	O
not	O
released	O
for	O
OS	O
X	O
versions	O
before	O
Lion	B-Application
or	O
for	O
Windows	B-Application
.	O
</s>
<s>
The	O
company	O
later	O
quietly	O
removed	O
references	O
and	O
links	O
for	O
the	O
Windows	B-Application
version	O
of	O
Safari	B-Application
5	O
.	O
</s>
<s>
Microsoft	O
had	O
also	O
removed	O
Safari	B-Application
from	O
its	O
browser-choice	O
page	O
.	O
</s>
<s>
On	O
June	O
11	O
,	O
2012	O
,	O
Apple	O
released	O
a	O
developer	O
preview	O
of	O
Safari	B-Application
6.0	O
with	O
a	O
feature	O
called	O
iCloud	B-Application
Tabs	O
,	O
which	O
syncs	O
with	O
open	O
tabs	O
on	O
any	O
iOS	B-Application
or	O
other	O
OS	O
X	O
device	O
that	O
ran	O
the	O
latest	O
software	O
.	O
</s>
<s>
It	O
updated	O
new	O
privacy	O
features	O
,	O
including	O
an	O
"	O
Ask	O
websites	O
not	O
to	O
track	O
me	O
"	O
preference	O
and	O
the	O
ability	O
for	O
websites	O
to	O
send	O
OS	B-Operating_System
X	I-Operating_System
10.8	I-Operating_System
Mountain	I-Operating_System
Lion	I-Operating_System
users	O
notifications	O
,	O
though	O
it	O
removed	O
RSS	O
support	O
.	O
</s>
<s>
Safari	B-Application
6	O
had	O
the	O
Share	O
Sheets	O
capability	O
in	O
OS	B-Operating_System
X	I-Operating_System
Mountain	I-Operating_System
Lion	I-Operating_System
.	O
</s>
<s>
The	O
sixth	O
major	O
version	O
of	O
Safari	B-Application
,	O
it	O
added	O
options	O
to	O
allow	O
pages	O
to	O
be	O
shared	O
with	O
other	O
users	O
via	O
email	O
,	O
Messages	B-Protocol
,	O
Twitter	O
,	O
and	O
Facebook	O
,	O
as	O
well	O
as	O
making	O
some	O
minor	O
performance	O
improvements	O
.	O
</s>
<s>
Safari	B-Application
7	O
was	O
announced	O
at	O
WWDC	O
2013	O
,	O
and	O
it	O
brought	O
a	O
number	O
of	O
JavaScript	B-Language
performance	O
improvements	O
.	O
</s>
<s>
Safari	B-Application
7	O
for	O
OS	B-Operating_System
X	I-Operating_System
Mavericks	I-Operating_System
and	O
Safari	B-Application
6.1	O
for	O
Lion	B-Application
and	O
Mountain	B-Operating_System
Lion	I-Operating_System
were	O
all	O
released	O
along	O
with	O
OS	B-Operating_System
X	I-Operating_System
Mavericks	I-Operating_System
in	O
the	O
special	O
event	O
on	O
October	O
22	O
,	O
2013	O
.	O
</s>
<s>
Safari	B-Application
8	O
was	O
announced	O
at	O
WWDC	O
2014	O
and	O
was	O
released	O
for	O
OS	B-Device
X	I-Device
Yosemite	I-Device
.	O
</s>
<s>
It	O
included	O
the	O
JavaScript	B-Language
API	O
WebGL	B-Library
,	O
stronger	O
privacy	O
management	O
,	O
improved	O
iCloud	B-Application
integration	O
,	O
and	O
a	O
redesigned	O
interface	O
.	O
</s>
<s>
It	O
was	O
also	O
faster	O
and	O
more	O
efficient	O
,	O
with	O
additional	O
developer	O
features	O
including	O
JavaScript	B-Language
Promises	B-Operating_System
,	O
CSS	O
Shapes	O
&	O
Composting	O
mark	O
up	O
,	O
IndexedDB	O
,	O
Encrypted	B-Language
Media	I-Language
Extensions	I-Language
,	O
and	O
SPDY	B-Protocol
protocol	O
.	O
</s>
<s>
Safari	B-Application
9	O
was	O
announced	O
in	O
WWDC	O
2015	O
and	O
was	O
shipped	O
with	O
OS	B-Operating_System
X	I-Operating_System
El	I-Operating_System
Capitan	I-Operating_System
.	O
</s>
<s>
New	O
features	O
included	O
audio	O
muting	O
,	O
more	O
options	O
for	O
Safari	B-Application
Reader	O
,	O
and	O
improved	O
autofill	B-Protocol
.	O
</s>
<s>
It	O
was	O
not	O
fully	O
available	O
for	O
the	O
previous	O
OS	B-Device
X	I-Device
Yosemite	I-Device
.	O
</s>
<s>
Safari	B-Application
10	O
was	O
shipped	O
with	O
macOS	B-Operating_System
Sierra	I-Operating_System
and	O
released	O
for	O
OS	B-Device
X	I-Device
Yosemite	I-Device
and	O
OS	B-Operating_System
X	I-Operating_System
El	I-Operating_System
Capitan	I-Operating_System
on	O
September	O
20	O
,	O
2016	O
.	O
</s>
<s>
The	O
update	O
redirected	O
Safari	B-Application
extensions	O
to	O
be	O
saved	O
directly	O
to	O
Pocket	O
and	O
Dic	O
Go	O
.	O
</s>
<s>
Software	O
improvements	O
included	O
Autofill	B-Protocol
quality	O
from	O
the	O
Contrast	O
card	O
and	O
Web	B-Application
Inspector	I-Application
Timelines	O
Tab	O
,	O
in-line	O
sub-headlines	O
,	O
bylines	O
,	O
and	O
publish	O
dates	O
.	O
</s>
<s>
This	O
version	O
tracks	O
and	O
re-applies	O
zoomed	O
level	O
to	O
websites	O
,	O
and	O
legacy	O
plug-ins	O
were	O
disabled	O
by	O
default	O
in	O
favor	O
of	O
HTML5	B-Application
versions	O
of	O
websites	O
.	O
</s>
<s>
Debugging	O
is	O
now	O
supported	O
on	O
the	O
Web	B-Application
Inspector	I-Application
.	O
</s>
<s>
Safari	B-Application
10	O
also	O
includes	O
several	O
security	O
updates	O
,	O
including	O
fixes	O
for	O
six	O
WebKit	B-Language
vulnerabilities	O
and	O
issues	O
related	O
to	O
Reader	O
and	O
Tabs	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
Safari	B-Application
10	O
was	O
released	O
on	O
September	O
20	O
,	O
2016	O
,	O
and	O
the	O
last	O
version	O
(	O
10.1.2	O
)	O
was	O
released	O
on	O
July	O
19	O
,	O
2017	O
.	O
</s>
<s>
Safari	B-Application
11	O
was	O
released	O
on	O
September	O
19	O
,	O
2017	O
for	O
OS	B-Operating_System
X	I-Operating_System
El	I-Operating_System
Capitan	I-Operating_System
and	O
macOS	B-Operating_System
Sierra	I-Operating_System
.	O
</s>
<s>
It	O
was	O
shipped	O
with	O
macOS	B-Operating_System
High	I-Operating_System
Sierra	I-Operating_System
.	O
</s>
<s>
Safari	B-Application
11	O
included	O
several	O
new	O
features	O
such	O
as	O
Intelligent	O
Tracking	O
Prevention	O
which	O
aimed	O
to	O
prevent	O
cross-site	B-Application
tracking	I-Application
by	O
placing	O
limitations	O
on	O
cookies	O
and	O
other	O
website	O
data	O
.	O
</s>
<s>
Intelligent	O
Tracking	O
Prevention	O
allowed	O
first-party	O
cookies	O
to	O
continue	O
track	O
the	O
browser	B-Application
history	O
,	O
though	O
with	O
time	O
limits	O
.	O
</s>
<s>
Safari	B-Application
12	O
was	O
released	O
for	O
macOS	B-Device
Mojave	I-Device
on	O
September	O
24	O
,	O
2018	O
.	O
</s>
<s>
It	O
was	O
also	O
available	O
to	O
macOS	B-Operating_System
Sierra	I-Operating_System
and	O
macOS	B-Operating_System
High	I-Operating_System
Sierra	I-Operating_System
on	O
September	O
17	O
,	O
2018	O
.	O
</s>
<s>
Safari	B-Application
12	O
included	O
several	O
new	O
features	O
such	O
as	O
Icons	O
in	O
tabs	O
,	O
Automatic	O
Strong	O
Passwords	O
,	O
and	O
Intelligent	O
Tracking	O
Prevention	O
2.0	O
.	O
</s>
<s>
Safari	B-Application
version	O
12.0.1	O
was	O
released	O
on	O
October	O
30	O
,	O
2018	O
,	O
within	O
macOS	B-Device
Mojave	I-Device
10.14.1	O
,	O
and	O
Safari	B-Application
12.0.2	O
was	O
released	O
on	O
December	O
5	O
,	O
2018	O
,	O
under	O
macOS	O
10.14.2	O
.	O
</s>
<s>
Support	O
for	O
developer-signed	O
classic	O
Safari	B-Application
Extensions	O
has	O
been	O
dropped	O
.	O
</s>
<s>
Apple	O
also	O
encouraged	O
extension	O
authors	O
to	O
switch	O
to	O
Safari	B-Application
App	O
Extensions	O
,	O
which	O
triggered	O
negative	O
feedback	O
from	O
the	O
community	O
.	O
</s>
<s>
Safari	B-Application
13	O
was	O
announced	O
at	O
WWDC	O
2019	O
on	O
June	O
3	O
,	O
2019	O
.	O
</s>
<s>
Safari	B-Application
13	O
included	O
several	O
new	O
features	O
such	O
as	O
prompting	O
users	O
to	O
change	O
weak	O
passwords	O
,	O
FIDO2	O
USB	O
security	O
key	O
authentication	O
support	O
,	O
Sign	O
in	O
with	O
Apple	O
support	O
,	O
Apple	O
Pay	O
on	O
the	O
Web	O
support	O
and	O
increased	O
speed	O
and	O
security	O
.	O
</s>
<s>
Safari	B-Application
13	O
was	O
released	O
on	O
September	O
20	O
,	O
2019	O
,	O
on	O
macOS	B-Device
Mojave	I-Device
and	O
macOS	B-Operating_System
High	I-Operating_System
Sierra	I-Operating_System
,	O
and	O
later	O
shipped	O
with	O
macOS	B-Device
Catalina	I-Device
.	O
</s>
<s>
In	O
June	O
2020	O
it	O
was	O
announced	O
that	O
macOS	B-Operating_System
Big	I-Operating_System
Sur	I-Operating_System
will	O
include	O
Safari	B-Application
14	O
.	O
</s>
<s>
According	O
to	O
Apple	O
,	O
Safari	B-Application
14	O
is	O
more	O
than	O
50%	O
faster	O
than	O
Google	B-Application
Chrome	I-Application
.	O
</s>
<s>
Safari	B-Application
14	O
introduced	O
new	O
privacy	O
features	O
,	O
including	O
Privacy	O
Report	O
,	O
which	O
shows	O
blocked	O
content	O
and	O
privacy	O
information	O
on	O
web	O
pages	O
.	O
</s>
<s>
Users	O
will	O
also	O
receive	O
a	O
monthly	O
report	O
on	O
trackers	O
that	O
Safari	B-Application
has	O
blocked	O
.	O
</s>
<s>
Safari	B-Application
14	O
introduced	O
partial	O
support	O
for	O
the	O
WebExtension	O
API	O
used	O
in	O
Google	B-Application
Chrome	I-Application
,	O
Microsoft	B-Application
Edge	I-Application
,	O
Firefox	B-Application
,	O
and	O
Opera	B-Application
,	O
making	O
it	O
easier	O
for	O
developers	O
to	O
port	O
their	O
extensions	O
from	O
those	O
web	B-Application
browsers	I-Application
to	O
Safari	B-Application
.	O
</s>
<s>
Support	O
for	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
will	O
also	O
be	O
dropped	O
from	O
Safari	B-Application
,	O
3	O
months	O
ahead	O
of	O
its	O
end-of-life	O
.	O
</s>
<s>
Safari	B-Application
14	O
was	O
released	O
as	O
a	O
standalone	O
update	O
to	O
macOS	B-Device
Catalina	I-Device
and	O
Mojave	B-Device
users	O
on	O
September	O
16	O
,	O
2020	O
.	O
</s>
<s>
Safari	B-Application
15	O
was	O
released	O
for	O
macOS	B-Operating_System
Big	I-Operating_System
Sur	I-Operating_System
and	O
macOS	B-Device
Catalina	I-Device
on	O
September	O
20	O
,	O
2021	O
,	O
and	O
later	O
shipped	O
with	O
macOS	B-Device
Monterey	I-Device
.	O
</s>
<s>
There	O
were	O
also	O
a	O
new	O
home	O
page	O
and	O
extension	O
supports	O
on	O
the	O
iOS	B-Application
and	O
iPadOS	B-Operating_System
editions	O
.	O
</s>
<s>
Safari	B-Application
16	O
was	O
released	O
for	O
macOS	B-Device
Monterey	I-Device
and	O
macOS	B-Operating_System
Big	I-Operating_System
Sur	I-Operating_System
on	O
September	O
12	O
,	O
2022	O
,	O
and	O
later	O
shipped	O
with	O
macOS	B-Operating_System
Ventura	I-Operating_System
.	O
</s>
<s>
Safari	B-Application
16	O
added	O
support	O
for	O
non-animated	O
AVIF	O
and	O
contains	O
several	O
bug	B-Error_Name
fixes	O
and	O
feature	O
polishing	O
.	O
</s>
<s>
Safari	B-Application
16	O
also	O
includes	O
shared	O
tab	O
groups	O
,	O
website	O
settings	O
synchronisation	O
between	O
devices	O
connected	O
to	O
a	O
same	O
iCloud	B-Application
account	O
,	O
the	O
ability	O
to	O
add	O
backgrounds	O
for	O
a	O
start	O
page	O
,	O
new	O
languages	O
for	O
built-in	O
translation	O
,	O
built-in	O
image	O
translation	O
,	O
new	O
options	O
to	O
edit	O
strong	O
passwords	O
…	O
iOS	B-Application
16.4	O
also	O
introduced	O
Web	O
Push	O
notifications	O
.	O
</s>
<s>
Support	O
for	O
HTML5	B-Application
new	O
input	O
types	O
.	O
</s>
<s>
iOS	B-Application
4.2	O
Find	O
feature	O
built	O
into	O
search	O
box	O
.	O
</s>
<s>
Ability	O
to	O
print	O
the	O
current	O
webpage	O
using	O
AirPrint.iOS	O
4.3	O
Integration	O
of	O
the	O
Nitro	O
JavaScript	B-Language
engine	I-Language
for	O
faster	O
page	O
loads	O
.	O
</s>
<s>
This	O
feature	O
was	O
expanded	O
to	O
home-screen	O
web	O
applications	O
in	O
iOS	B-Application
5.0.iOS	O
5	O
True	O
tabbed	O
browsing	O
,	O
similar	O
to	O
the	O
desktop	O
experience	O
,	O
only	O
for	O
iPads	B-Device
.	O
</s>
<s>
Reading	O
List	O
,	O
a	O
bookmarking	O
feature	O
that	O
allows	O
tagging	O
of	O
certain	O
sites	O
for	O
reading	O
later	O
,	O
which	O
syncs	O
across	O
all	O
Safari	B-Application
browsers	I-Application
(	O
mobile	O
and	O
desktop	O
)	O
via	O
Apple	O
's	O
iCloud	B-Application
service	O
.	O
</s>
<s>
Private	B-Protocol
browsing	I-Protocol
,	O
like	O
in	O
most	O
desktop	O
browsers	B-Application
,	O
is	O
a	O
feature	O
that	O
does	O
not	O
save	O
the	O
user	O
's	O
cookies	O
and	O
history	O
or	O
allow	O
anything	O
to	O
be	O
written	O
into	O
local	O
storage	O
or	O
Web	O
SQL	O
Databases.iOS	O
6	O
iCloud	B-Application
Tabs	O
,	O
linking	O
the	O
desktop	O
and	O
iOS	B-Application
versions	O
of	O
Safari	B-Application
.	O
</s>
<s>
64-bit	B-Device
build	O
on	O
supported	O
devices	O
using	O
the	O
A7	O
processor	O
.	O
</s>
<s>
iCloud	B-Application
Keychain	O
:	O
iCloud	B-Application
can	O
remember	O
passwords	O
,	O
account	O
names	O
,	O
and	O
credit	O
card	O
numbers	O
.	O
</s>
<s>
Safari	B-Application
can	O
also	O
autofill	B-Protocol
them	O
as	O
well	O
.	O
</s>
<s>
Requires	O
devices	O
that	O
run	O
iOS	B-Application
7.0.3	O
and	O
later	O
and	O
OS	B-Operating_System
X	I-Operating_System
Mavericks	I-Operating_System
or	O
later	O
.	O
</s>
<s>
Password	O
Generator	O
:	O
When	O
creating	O
a	O
new	O
account	O
,	O
Safari	B-Application
can	O
suggest	O
the	O
user	O
a	O
long	O
,	O
more	O
secure	O
,	O
hard-to-guess	O
password	O
,	O
and	O
Safari	B-Application
will	O
also	O
automatically	O
remember	O
the	O
password	O
.	O
</s>
<s>
Swipe	O
to	O
close	O
iCloud	B-Application
tabs	O
from	O
other	O
devices	O
.	O
</s>
<s>
Safari	B-Application
Technology	O
Preview	O
was	O
first	O
released	O
alongside	O
OS	B-Operating_System
X	I-Operating_System
El	I-Operating_System
Capitan	I-Operating_System
10.11.4	O
.	O
</s>
<s>
Safari	B-Application
Technology	O
Preview	O
releases	O
include	O
the	O
latest	O
version	O
of	O
WebKit	B-Language
,	O
which	O
included	O
Web	O
technologies	O
in	O
the	O
future	O
stable	O
releases	O
of	O
Safari	B-Application
so	O
that	O
developers	O
and	O
users	O
can	O
install	O
the	O
Technology	O
Preview	O
release	O
on	O
a	O
Mac	B-Device
,	O
test	O
those	O
features	O
,	O
and	O
provide	O
feedback	O
.	O
</s>
<s>
The	O
Safari	B-Application
Developer	O
Program	O
was	O
a	O
program	O
dedicated	O
to	O
in-browser	O
extension	O
and	O
HTML	B-Language
developers	O
.	O
</s>
<s>
It	O
allowed	O
members	O
to	O
write	O
and	O
distribute	O
extensions	O
for	O
the	O
browser	B-Application
through	O
the	O
Safari	B-Application
Extensions	O
Gallery	O
.	O
</s>
<s>
Within	O
OS	B-Operating_System
X	I-Operating_System
El	I-Operating_System
Capitan	I-Operating_System
,	O
Apple	O
implemented	O
the	O
Secure	O
Extension	O
Distribution	O
to	O
further	O
improve	O
its	O
security	O
,	O
and	O
it	O
automatically	O
updated	O
all	O
extensions	O
within	O
the	O
Safari	B-Application
Extensions	O
Gallery	O
.	O
</s>
<s>
Until	O
Safari	B-Application
6.0	O
,	O
it	O
included	O
a	O
built-in	O
web	B-General_Concept
feed	I-General_Concept
aggregator	B-Application
that	O
supported	O
the	O
RSS	O
and	O
Atom	B-Application
standards	O
.	O
</s>
<s>
Current	O
features	O
included	O
Private	B-Protocol
Browsing	I-Protocol
(	O
a	O
mode	O
in	O
which	O
the	O
browser	B-Application
retains	O
no	O
record	O
of	O
information	O
about	O
the	O
user	O
's	O
web	O
activity	O
)	O
,	O
the	O
ability	O
to	O
archive	O
web	O
content	O
in	O
WebArchive	B-Application
format	O
,	O
the	O
ability	O
to	O
email	O
complete	O
web	O
pages	O
directly	O
from	O
a	O
browser	B-Application
menu	O
,	O
the	O
ability	O
to	O
search	O
bookmarks	O
,	O
and	O
the	O
ability	O
to	O
share	O
tabs	O
between	O
all	O
Mac	B-Device
and	O
iOS	B-Application
devices	O
running	O
appropriate	O
versions	O
of	O
software	O
via	O
an	O
iCloud	B-Application
account	O
.	O
</s>
<s>
Safari	B-Application
pioneered	O
several	O
now	O
standard	O
HTML5	B-Application
features	O
(	O
such	O
as	O
the	O
Canvas	O
API	O
)	O
in	O
its	O
early	O
years	O
.	O
</s>
<s>
In	O
September	O
2017	O
Apple	O
announced	O
that	O
it	O
will	O
use	O
artificial	B-Application
intelligence	I-Application
(	O
AI	B-Application
)	O
to	O
reduce	O
the	O
ability	O
of	O
advertisers	O
to	O
track	O
Safari	B-Application
users	O
as	O
they	O
browse	O
the	O
web	O
.	O
</s>
<s>
Cookies	O
used	O
for	O
tracking	O
will	O
be	O
allowed	O
for	O
24	O
hours	O
,	O
then	O
disabled	O
,	O
unless	O
AI	B-Application
judges	O
the	O
user	O
wants	O
the	O
cookie	O
.	O
</s>
<s>
Apple	O
used	O
a	O
remotely	O
updated	O
plug-in	O
blacklist	O
to	O
prevent	O
potentially	O
dangerous	O
or	O
vulnerable	O
plugins	O
from	O
running	O
on	O
Safari	B-Application
.	O
</s>
<s>
Initially	O
,	O
Flash	O
and	O
Java	O
contents	O
were	O
blocked	O
on	O
some	O
early	O
versions	O
of	O
Safari	B-Application
.	O
</s>
<s>
Since	O
Safari	B-Application
12	O
,	O
support	O
for	O
NPAPI	O
plugins	O
(	O
except	O
for	O
Flash	O
)	O
has	O
been	O
completely	O
dropped	O
.	O
</s>
<s>
Safari	B-Application
14	O
finally	O
dropped	O
support	O
for	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
.	O
</s>
<s>
Beginning	O
in	O
2018	O
,	O
Apple	O
made	O
technical	O
changes	O
to	O
Safari	B-Application
's	O
content	O
blocking	O
functionality	O
which	O
prompted	O
backlash	O
from	O
users	O
and	O
developers	O
of	O
ad	O
blocking	O
extensions	O
,	O
who	O
said	O
the	O
changes	O
made	O
it	O
impossible	O
to	O
offer	O
a	O
similar	O
level	O
of	O
user	O
protection	O
found	O
in	O
other	O
browsers	B-Application
.	O
</s>
<s>
In	O
response	O
,	O
several	O
developers	O
of	O
popular	O
ad	O
and	O
tracking	O
blockers	O
announced	O
their	O
products	O
were	O
being	O
discontinued	O
,	O
as	O
they	O
were	O
now	O
incompatible	O
with	O
Safari	B-Application
's	O
newly	O
limited	O
content	O
blocking	O
features	O
.	O
</s>
<s>
Beginning	O
with	O
Safari	B-Application
13	O
,	O
popular	O
extensions	O
such	O
as	O
uBlock	B-Protocol
Origin	I-Protocol
no	O
longer	O
work	O
with	O
Safari	B-Application
.	O
</s>
<s>
Safari	B-Application
can	O
sync	O
bookmarks	O
,	O
history	O
,	O
reading	O
list	O
,	O
and	O
tabs	O
through	O
iCloud	B-Application
.	O
</s>
<s>
This	O
happens	O
by	O
default	O
if	O
a	O
user	O
's	O
Mac	B-Device
,	O
iPhone	B-Device
or	O
iPad	B-Device
is	O
logged	O
in	O
to	O
iCloud	B-Application
,	O
but	O
syncing	O
can	O
be	O
disabled	O
in	O
the	O
Settings	O
app	O
(	O
on	O
iOS	B-Application
and	O
iPadOS	B-Operating_System
)	O
or	O
System	O
Settings	O
(	O
on	O
Mac	B-Device
)	O
.	O
</s>
<s>
iCloud	B-Application
Tabs	O
lets	O
users	O
see	O
a	O
list	O
of	O
their	O
other	O
devices	O
 '	O
open	O
tabs	O
that	O
have	O
not	O
been	O
added	O
to	O
a	O
tab	O
group	O
.	O
</s>
<s>
On	O
iOS	B-Application
and	O
iPadOS	B-Operating_System
,	O
these	O
iCloud	B-Application
Tabs	O
are	O
shown	O
below	O
the	O
grid	O
of	O
open	O
tabs	O
.	O
</s>
<s>
On	O
the	O
Mac	B-Device
,	O
they	O
are	O
shown	O
at	O
the	O
bottom	O
of	O
the	O
Tab	O
Overview	O
,	O
or	O
in	O
an	O
optional	O
iCloud	B-Application
Tabs	O
toolbar	O
item	O
.	O
</s>
<s>
Safari	B-Application
15	O
added	O
tab	O
groups	O
.	O
</s>
<s>
These	O
tab	O
groups	O
,	O
and	O
the	O
tabs	O
they	O
contain	O
,	O
are	O
synced	O
across	O
devices	O
;	O
when	O
a	O
tab	O
is	O
opened	O
in	O
a	O
tab	O
group	O
on	O
one	O
device	O
,	O
it	O
is	O
added	O
to	O
that	O
tab	O
group	O
on	O
all	O
devices	O
,	O
without	O
needing	O
to	O
manually	O
open	O
it	O
through	O
iCloud	B-Application
Tabs	O
.	O
</s>
<s>
macOS	B-Operating_System
Ventura	I-Operating_System
added	O
Shared	O
Tab	O
Groups	O
,	O
which	O
can	O
be	O
shared	O
through	O
iMessage	O
.	O
</s>
<s>
Safari	B-Application
supports	O
the	O
Handoff	O
feature	O
,	O
which	O
allows	O
users	O
to	O
continue	O
where	O
they	O
left	O
off	O
on	O
another	O
device	O
.	O
</s>
<s>
On	O
macOS	B-Application
,	O
Safari	B-Application
is	O
a	O
Cocoa	B-Operating_System
application	O
.	O
</s>
<s>
It	O
used	O
Apple	O
's	O
WebKit	B-Language
for	O
rendering	O
web	O
pages	O
and	O
running	O
JavaScript	B-Language
.	O
</s>
<s>
WebKit	B-Language
consisted	O
of	O
WebCore	B-Language
(	O
based	O
on	O
Konqueror	B-Application
's	O
KHTML	B-Language
engine	O
)	O
and	O
JavaScriptCore	O
(	O
originally	O
based	O
on	O
KDE	B-Language
's	I-Language
JavaScript	I-Language
engine	I-Language
,	O
named	O
KJS	B-Language
)	O
.	O
</s>
<s>
Like	O
KHTML	B-Language
and	O
KJS	B-Language
,	O
WebCore	B-Language
and	O
JavaScriptCore	O
were	O
free	B-Application
software	I-Application
and	O
were	O
released	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
.	O
</s>
<s>
Some	O
Apple	O
improvements	O
to	O
the	O
KHTML	B-Language
code	O
were	O
merged	O
back	O
into	O
the	O
Konqueror	B-Application
project	O
.	O
</s>
<s>
Apple	O
had	O
also	O
released	O
some	O
additional	O
codes	O
under	O
the	O
open	O
source	O
2-clause	O
BSD-like	B-Operating_System
license	I-Operating_System
.	O
</s>
<s>
The	O
version	O
of	O
Safari	B-Application
included	O
in	O
Mac	B-Device
OS	I-Device
X	I-Device
v10.6	I-Device
(	O
and	O
later	O
versions	O
)	O
is	O
compiled	B-Language
for	O
64-bit	B-Device
architecture	I-Device
.	O
</s>
<s>
Apple	O
claimed	O
that	O
running	O
Safari	B-Application
in	O
64-bit	B-Device
mode	O
would	O
increase	O
rendering	O
speeds	O
by	O
up	O
to	O
50%	O
.	O
</s>
<s>
WebKit2	O
has	O
a	O
multiprocess	O
API	O
for	O
WebKit	B-Language
,	O
where	O
the	O
web-content	O
is	O
handled	O
by	O
a	O
separate	O
process	O
than	O
the	O
application	O
using	O
WebKit	B-Language
.	O
</s>
<s>
Safari	B-Application
for	O
OS	O
X	O
switched	O
to	O
the	O
new	O
API	O
with	O
version	O
5.1	O
.	O
</s>
<s>
Safari	B-Application
for	O
iOS	B-Application
switched	O
to	O
WebKit2	O
with	O
iOS	B-Application
8	O
.	O
</s>
<s>
Since	O
2015	O
,	O
iOS	B-Application
has	O
allowed	O
third	O
party	O
web	B-Application
browsers	I-Application
to	O
be	O
installed	O
,	O
including	O
Chrome	B-Application
,	O
Firefox	B-Application
,	O
Opera	B-Application
and	O
Edge	B-Application
;	O
however	O
,	O
they	O
are	O
all	O
forced	O
to	O
use	O
the	O
underlying	O
WebKit	B-Language
browser	B-Application
engine	O
,	O
and	O
inherit	O
its	O
limitations	O
.	O
</s>
<s>
Safari	B-Application
for	I-Application
Windows	I-Application
was	O
introduced	O
at	O
WWDC	O
2007	O
.	O
</s>
<s>
After	O
Safari	B-Application
's	O
release	O
,	O
Apple	O
Software	O
Update	O
—	O
an	O
updater	O
program	O
bundled	O
with	O
QuickTime	O
and	O
iTunes	O
for	O
Windows	B-Application
—	O
automatically	O
selected	O
Safari	B-Application
for	O
installation	O
,	O
as	O
a	O
"	O
Recommended	O
"	O
program	O
.	O
</s>
<s>
When	O
users	O
ran	O
the	O
updater	O
manually	O
,	O
the	O
option	O
to	O
install	O
Safari	B-Application
was	O
checked	O
by	O
default	O
.	O
</s>
<s>
This	O
was	O
criticized	O
by	O
John	O
Lilly	O
,	O
then-CEO	O
of	O
Mozilla	B-Operating_System
,	O
who	O
said	O
it	O
"	O
borders	O
on	O
malware	O
distribution	O
practices	O
"	O
.	O
</s>
<s>
By	O
late	O
2008	O
,	O
Apple	O
Software	O
Update	O
stopped	O
installing	O
new	O
software	O
by	O
default	O
,	O
though	O
it	O
still	O
offered	O
Safari	B-Application
in	O
its	O
list	O
of	O
available	O
programs	O
(	O
with	O
its	O
checkbox	O
unticked	O
)	O
.	O
</s>
<s>
In	O
2009	O
,	O
Safari	B-Application
had	O
a	O
market	B-Application
share	I-Application
of	O
3.85	O
%	O
.	O
</s>
<s>
In	O
2014	O
,	O
it	O
caught	O
up	O
with	O
Firefox	B-Application
with	O
a	O
market	B-Application
share	I-Application
of	O
14.20	O
%	O
.	O
</s>
<s>
In	O
2015	O
,	O
Safari	B-Application
became	O
the	O
second	O
most-used	O
web	B-Application
browser	I-Application
worldwide	O
after	O
Google	B-Application
Chrome	I-Application
,	O
and	O
had	O
a	O
market	B-Application
share	I-Application
of	O
13.01	O
%	O
.	O
</s>
<s>
,	O
Google	B-Application
Chrome	I-Application
continued	O
to	O
be	O
the	O
most	O
popular	O
browser	B-Application
with	O
Safari	B-Application
(	O
19.22	O
%	O
)	O
following	O
behind	O
in	O
second	O
place	O
.	O
</s>
<s>
In	O
May	O
2022	O
,	O
according	O
to	O
StatCounter	O
,	O
Apple	B-Application
's	I-Application
Safari	I-Application
dropped	O
to	O
the	O
third	O
most	O
popular	O
desktop	O
browser	B-Application
after	O
being	O
overtaken	O
by	O
Microsoft	O
's	O
Edge	B-Application
.	O
</s>
<s>
Safari	B-Application
was	O
then	O
used	O
by	O
9.61	O
percent	O
of	O
desktop	O
computers	O
worldwide	O
.	O
</s>
<s>
Software	O
security	O
firm	O
Sophos	O
detailed	O
how	O
Snow	B-Device
Leopard	I-Device
and	O
Windows	B-Application
users	O
were	O
not	O
supported	O
by	O
the	O
Safari	B-Application
6	O
release	O
at	O
the	O
time	O
,	O
while	O
there	O
were	O
over	O
121	O
vulnerabilities	O
left	O
unpatched	O
on	O
those	O
platforms	O
.	O
</s>
<s>
Since	O
then	O
,	O
Snow	B-Device
Leopard	I-Device
has	O
had	O
only	O
three	O
minor	O
version	O
releases	O
(	O
the	O
most	O
recent	O
in	O
September	O
2013	O
)	O
,	O
and	O
Windows	B-Application
has	O
had	O
none	O
.	O
</s>
