<s>
iOS	B-Operating_System
13	I-Operating_System
is	O
the	O
thirteenth	B-Operating_System
major	I-Operating_System
release	I-Operating_System
of	O
the	O
iOS	B-Application
mobile	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
developed	O
by	O
Apple	O
Inc	O
.	O
for	O
their	O
iPhone	B-Application
,	O
iPod	B-Operating_System
Touch	I-Operating_System
and	O
HomePod	B-Device
lines	O
.	O
</s>
<s>
The	O
successor	O
to	O
iOS	B-Operating_System
12	I-Operating_System
on	O
those	O
devices	O
,	O
it	O
was	O
announced	O
at	O
the	O
company	O
's	O
Worldwide	O
Developers	O
Conference	O
(	O
WWDC	O
)	O
on	O
June	O
3	O
,	O
2019	O
,	O
and	O
released	O
on	O
September	O
19	O
,	O
2019	O
.	O
</s>
<s>
It	O
was	O
succeeded	O
by	O
iOS	B-Operating_System
14	I-Operating_System
,	O
released	O
on	O
September	O
16	O
,	O
2020	O
.	O
</s>
<s>
As	O
of	O
iOS	B-Operating_System
13	I-Operating_System
,	O
the	O
iPad	B-Device
lines	O
run	O
a	O
separate	O
operating	O
system	O
,	O
derived	O
from	O
iOS	B-Application
,	O
named	O
iPadOS	B-Operating_System
.	O
</s>
<s>
Both	O
iPadOS	B-Operating_System
13	I-Operating_System
and	O
iOS	B-Operating_System
13	I-Operating_System
dropped	O
support	O
for	O
devices	O
with	O
less	O
than	O
2	O
GB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
iOS	B-Operating_System
13	I-Operating_System
and	O
iPadOS	B-Operating_System
13	I-Operating_System
were	O
introduced	O
by	O
Senior	O
Vice	O
President	O
of	O
Software	O
Engineering	O
Craig	O
Federighi	O
at	O
the	O
WWDC	O
keynote	O
address	O
on	O
June	O
3	O
,	O
2019	O
.	O
</s>
<s>
The	O
initial	O
release	O
of	O
iOS	B-Operating_System
13	I-Operating_System
was	O
version	O
13.0	O
,	O
which	O
was	O
released	O
to	O
the	O
public	O
on	O
September	O
19	O
,	O
2019	O
.	O
</s>
<s>
iOS	B-Operating_System
13	I-Operating_System
changes	O
the	O
handling	O
of	O
location	O
data	O
.	O
</s>
<s>
In	O
August	O
2019	O
,	O
it	O
was	O
reported	O
that	O
beginning	O
in	O
April	O
2020	O
,	O
the	O
PushKit	O
API	O
for	O
VoIP	B-Application
would	O
be	O
restricted	O
to	O
internet	B-Application
telephone	I-Application
usage	O
,	O
closing	O
a	O
"	O
loophole	O
"	O
that	O
had	O
been	O
used	O
by	O
other	O
apps	O
for	O
background	O
data	O
collection	O
.	O
</s>
<s>
A	O
system-wide	O
dark	B-General_Concept
mode	I-General_Concept
allows	O
users	O
to	O
enable	O
a	O
light-on-dark	B-General_Concept
color	I-General_Concept
scheme	I-General_Concept
for	O
the	O
entire	O
iOS	B-Application
and	O
iPadOS	B-Operating_System
user	O
interface	O
,	O
all	O
native	O
applications	O
,	O
and	O
supported	O
third-party	O
apps	O
.	O
</s>
<s>
It	O
can	O
be	O
manually	O
turned	O
on	O
or	O
set	O
to	O
automatically	O
switch	O
between	O
light	O
and	O
dark	B-General_Concept
modes	I-General_Concept
based	O
on	O
the	O
time	O
of	O
day	O
.	O
</s>
<s>
The	O
card	O
UI	O
elements	O
from	O
Apple	B-Operating_System
Music	I-Operating_System
,	O
Apple	B-Operating_System
Podcasts	I-Operating_System
,	O
and	O
Apple	B-Application
Books	I-Application
has	O
been	O
implemented	O
system-wide	O
,	O
being	O
an	O
option	O
for	O
third-parties	O
to	O
use	O
in	O
their	O
apps	O
.	O
</s>
<s>
Siri	B-Application
uses	O
a	O
software-generated	O
voice	O
called	O
"	O
Neural	O
TTS	O
"	O
,	O
intended	O
to	O
sound	O
more	O
natural	O
than	O
previous	O
versions	O
that	O
use	O
clips	O
of	O
human	O
voices	O
.	O
</s>
<s>
Siri	B-Application
also	O
became	O
more	O
functional	O
and	O
new	O
sound	O
control	O
is	O
available	O
.	O
</s>
<s>
The	O
Siri	B-Application
Shortcuts	O
app	O
is	O
installed	O
by	O
default	O
.	O
</s>
<s>
Siri	B-Application
also	O
uses	O
HomePod	B-Device
to	O
learn	O
and	O
recognize	O
voices	O
of	O
different	O
people	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
for	O
Siri	B-Application
to	O
automatically	O
read	O
incoming	O
messages	O
aloud	O
on	O
AirPods	B-Operating_System
.	O
</s>
<s>
This	O
functionality	O
was	O
previously	O
exclusively	O
available	O
via	O
third-party	O
keyboard	O
applications	O
such	O
as	O
SwiftKey	B-Device
,	O
Adaptxt	B-Application
,	O
Gboard	B-Device
,	O
or	O
Swype	B-Language
.	O
</s>
<s>
Emoji	B-Application
stickers	O
have	O
been	O
included	O
on	O
the	O
emoji	B-Application
keyboard	O
and	O
can	O
be	O
used	O
wherever	O
regular	O
emoji	B-Application
can	O
be	O
.	O
</s>
<s>
iOS	B-Operating_System
13	I-Operating_System
and	O
iPadOS	B-Operating_System
13	I-Operating_System
add	O
a	O
new	O
system-wide	O
gesture	O
interface	O
for	O
cut	O
,	O
copy	O
,	O
paste	O
,	O
undo	O
,	O
and	O
redo	O
.	O
</s>
<s>
A	O
new	O
single	O
sign-on	O
service	O
known	O
as	O
"	O
Sign	B-General_Concept
in	I-General_Concept
with	I-General_Concept
Apple	I-General_Concept
"	O
is	O
integrated	O
with	O
iOS	B-Operating_System
13	I-Operating_System
,	O
and	O
allows	O
users	O
to	O
create	O
accounts	O
for	O
third-party	O
services	O
with	O
a	O
minimal	O
amount	O
of	O
personal	O
information	O
.	O
</s>
<s>
All	O
iOS	B-Application
applications	O
that	O
support	O
third-party	O
social	O
login	O
are	O
required	O
to	O
implement	O
Sign	B-General_Concept
in	I-General_Concept
with	I-General_Concept
Apple	I-General_Concept
,	O
The	O
iOS	B-Application
human	B-Application
interface	I-Application
guidelines	I-Application
also	O
state	O
that	O
Sign	B-General_Concept
in	I-General_Concept
with	I-General_Concept
Apple	I-General_Concept
should	O
be	O
given	O
prominence	O
above	O
any	O
other	O
login	O
provider	O
in	O
application	O
interfaces	O
.	O
</s>
<s>
iOS	B-Operating_System
13	I-Operating_System
contains	O
several	O
performance	O
improvements	O
.	O
</s>
<s>
Face	O
ID	O
unlocks	O
the	O
iPhone	B-Operating_System
X	I-Operating_System
,	O
XS	B-Operating_System
/	O
XS	B-Operating_System
Max	I-Operating_System
,	O
and	O
XR	B-Operating_System
up	O
to	O
30%	O
faster	O
than	O
on	O
iOS12	B-Operating_System
.	O
</s>
<s>
Similar	O
to	O
many	O
laptops	O
,	O
iOS	B-Operating_System
13	I-Operating_System
has	O
a	O
feature	O
to	O
limit	O
the	O
battery	O
charging	O
percentage	O
to	O
80%	O
.	O
</s>
<s>
iOS	B-Operating_System
13	I-Operating_System
introduced	O
a	O
new	O
Core	O
Haptics	O
framework	O
.	O
</s>
<s>
Prior	O
to	O
iOS	B-Operating_System
13	I-Operating_System
,	O
apps	O
could	O
only	O
provide	O
the	O
default	O
haptic	O
patterns	O
.	O
</s>
<s>
Core	O
Haptics	O
gives	O
developers	O
more	O
fine-grained	O
control	O
over	O
the	O
iPhone	B-Application
's	O
Taptic	O
Engine	O
,	O
including	O
synchronized	O
audio	O
,	O
allowing	O
apps	O
to	O
provide	O
customized	O
haptic	O
and	O
audio	O
feedback	O
.	O
</s>
<s>
This	O
feature	O
is	O
only	O
available	O
on	O
iPhone	B-Operating_System
8	I-Operating_System
or	O
newer	O
.	O
</s>
<s>
It	O
is	O
also	O
not	O
supported	O
on	O
the	O
iPod	B-Operating_System
Touch	I-Operating_System
due	O
to	O
the	O
lack	O
of	O
a	O
haptic	O
motor	O
in	O
those	O
devices	O
.	O
</s>
<s>
iOS	B-Operating_System
13	I-Operating_System
introduced	O
the	O
ability	O
to	O
connect	O
to	O
external	O
USB	O
drives	O
.	O
</s>
<s>
Although	O
primarily	O
designed	O
for	O
thumb	O
drives	O
and	O
hard	O
drives	O
,	O
a	O
wide	O
variety	O
of	O
USB	O
disk	O
devices	O
will	O
work	O
,	O
thanks	O
to	O
the	O
iOS	B-Application
's	O
support	O
of	O
the	O
SCSI	O
subclass	O
of	O
USB	O
Mass	O
Storage	O
.	O
</s>
<s>
On	O
20	O
May	O
2020	O
,	O
Apple	O
released	O
iOS	B-Operating_System
13.5	I-Operating_System
,	O
which	O
includes	O
the	O
Exposure	B-Application
Notification	I-Application
API	I-Application
that	O
provides	O
access	O
to	O
the	O
Apple	B-Application
/	I-Application
Google	I-Application
privacy-preserving	I-Application
contact	I-Application
tracing	I-Application
system	I-Application
that	O
Apple	O
have	O
developed	O
jointly	O
with	O
Google	O
.	O
</s>
<s>
This	O
is	O
provided	O
to	O
support	O
digital	B-Protocol
contact	I-Protocol
tracing	I-Protocol
which	O
came	O
to	O
light	O
during	O
the	O
COVID-19	O
pandemic	O
.	O
</s>
<s>
ARKit	O
3	O
was	O
released	O
as	O
a	O
part	O
of	O
iOS	B-Operating_System
13	I-Operating_System
and	O
brought	O
new	O
features	O
,	O
such	O
as	O
People	O
occlusion	O
,	O
which	O
allowed	O
AR	O
objects	O
to	O
be	O
in	O
front	O
or	O
behind	O
people	O
in	O
a	O
more	O
realistic	O
way	O
.	O
</s>
<s>
New	O
features	O
were	O
restricted	O
to	O
devices	O
with	O
A12	O
processors	O
and	O
newer	O
–	O
like	O
iPhone	B-Operating_System
XS	I-Operating_System
,	O
iPhone	B-Operating_System
XR	I-Operating_System
,	O
and	O
the	O
2018	O
iPad	B-Device
Pro	I-Device
.	O
</s>
<s>
Released	O
with	O
the	O
2020	O
iPad	B-Device
Pro	I-Device
,	O
ARKit	O
3.5	O
vastly	O
improved	O
positioning	O
in	O
virtual	O
environments	O
due	O
to	O
new	O
anchors	O
and	O
use	O
of	O
data	O
from	O
a	O
LiDAR	O
scanner	O
.	O
</s>
<s>
The	O
version	O
of	O
iOS	B-Application
for	O
iPad	B-Device
devices	O
was	O
renamed	O
iPadOS	B-Operating_System
,	O
reflecting	O
the	O
precedence	O
for	O
the	O
OS	O
to	O
include	O
additional	O
features	O
intended	O
primarily	O
for	O
use	O
on	O
tablets	B-Device
.	O
</s>
<s>
iOS13	O
adds	O
official	O
support	O
for	O
the	O
Sony	O
DualShock	O
4	O
and	O
the	O
Microsoft	O
Xbox	B-Device
One	I-Device
controller	I-Device
.	O
</s>
<s>
iOS13	O
also	O
adds	O
support	O
for	O
wireless	O
audio	O
sharing	O
for	O
AirPods	B-Operating_System
and	O
certain	O
Beats	O
headphones	O
.	O
</s>
<s>
Apple	B-Operating_System
Music	I-Operating_System
now	O
supports	O
real-time	O
synced	O
song	O
lyrics	O
that	O
animate	O
along	O
with	O
the	O
music	O
as	O
they	O
’re	O
being	O
sung	O
,	O
rapped	O
or	O
spoken	O
.	O
</s>
<s>
All	O
iOS	B-Application
devices	O
with	O
an	O
A9	O
processor	O
or	O
newer	O
can	O
create	O
custom	O
Memoji	O
.	O
</s>
<s>
Memoji	O
and	O
Animoji	O
can	O
be	O
used	O
as	O
a	O
sticker	O
in	O
iMessage	O
and	O
other	O
apps	O
;	O
they	O
are	O
also	O
available	O
as	O
regular	O
emoji	B-Application
for	O
use	O
anywhere	O
the	O
emoji	B-Application
keyboard	O
is	O
available	O
.	O
</s>
<s>
The	O
Maps	B-Application
app	O
features	O
a	O
redesigned	O
maps	B-Application
UI	O
,	O
featuring	O
more	O
detailed	O
maps	B-Application
,	O
and	O
Look	B-Application
Around	I-Application
,	O
a	O
street	O
level	O
imagery	O
implementation	O
similar	O
to	O
Google	B-Application
Street	I-Application
View	I-Application
.	O
</s>
<s>
There	O
were	O
a	O
number	O
of	O
issues	O
following	O
the	O
release	O
of	O
iOS	B-Operating_System
13	I-Operating_System
,	O
some	O
relating	O
to	O
battery	O
drain	O
,	O
call-dropping	O
,	O
and	O
ringtones	O
not	O
functioning	O
properly	O
,	O
resulting	O
in	O
frequent	O
software	O
updates	O
and	O
patches	O
.	O
</s>
<s>
iOS13	O
requires	O
2	O
GB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
It	O
ended	O
support	O
for	O
all	O
iPhones	B-Application
and	O
iPod	B-Operating_System
touches	I-Operating_System
using	O
an	O
Apple	O
A7	O
or	O
A8	O
SoC	B-Architecture
and	O
devices	O
that	O
shipped	O
with	O
1	O
GB	O
of	O
RAM	B-Architecture
:	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
,	O
iPhone	B-Operating_System
6/6	I-Operating_System
Plus	I-Operating_System
and	O
iPod	B-Operating_System
touch	I-Operating_System
(	O
6th	O
generation	O
)	O
.	O
</s>
<s>
The	O
HomePod	B-Device
used	O
iOS	B-Operating_System
13	I-Operating_System
as	O
a	O
base	O
for	O
the	O
system	O
software	O
until	O
the	O
release	O
of	O
iOS	O
13.4	O
,	O
where	O
the	O
base	O
software	O
was	O
changed	O
to	O
tvOS	O
.	O
</s>
<s>
To	O
further	O
differentiate	O
features	O
between	O
iPhones	B-Application
and	O
iPads	B-Device
,	O
Apple	O
rebranded	O
the	O
tablet-oriented	O
platform	O
with	O
its	O
own	O
operating	O
system	O
,	O
iPadOS	B-Operating_System
.	O
</s>
<s>
See	O
Apple	O
's	O
main	O
page	O
for	O
iOS	B-Operating_System
13	I-Operating_System
release	O
notes	O
,	O
as	O
well	O
as	O
their	O
2019	O
and	O
2020	O
security	O
update	O
contents	O
.	O
</s>
