<s>
iPadOS	B-Operating_System
is	O
a	O
mobile	O
operating	O
system	O
for	O
tablet	O
computers	O
developed	O
by	O
Apple	O
Inc	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
as	O
a	O
modification	O
of	O
iOS	B-Operating_System
starting	O
with	O
version	O
13.1	O
on	O
September	O
24	O
,	O
2019	O
.	O
</s>
<s>
Before	O
the	O
release	O
of	O
iPadOS	B-Operating_System
,	O
iPads	B-Device
were	O
released	O
with	O
iPhone	O
OS	O
,	O
which	O
was	O
later	O
renamed	O
to	O
iOS	B-Operating_System
.	O
</s>
<s>
New	O
iPadOS	B-Operating_System
versions	O
are	O
released	O
every	O
year	O
mostly	O
in	O
sync	O
with	O
iOS	B-Operating_System
,	O
tvOS	O
,	O
and	O
watchOS	O
.	O
</s>
<s>
iPadOS	B-Operating_System
13	I-Operating_System
is	O
the	O
first	O
major	O
release	O
of	O
iPadOS	B-Operating_System
,	O
an	O
iPad-specific	O
fork	B-Application
of	O
iOS	B-Operating_System
meant	O
to	O
emphasize	O
the	O
iPad	B-Device
's	O
multitasking	O
and	O
tablet-centric	O
features	O
.	O
</s>
<s>
It	O
added	O
a	O
dark	O
mode	O
for	O
the	O
interface	O
,	O
and	O
Memoji	O
support	O
for	O
iPads	B-Device
with	O
the	O
Apple	O
A9	O
chips	O
or	O
more	O
recent	O
chips	O
.	O
</s>
<s>
These	O
windows	O
can	O
be	O
navigated	O
using	O
an	O
interface	O
similar	O
to	O
Mission	O
Control	O
on	O
macOS	B-Application
.	O
</s>
<s>
Safari	B-Application
gained	O
new	O
keyboard	O
shortcuts	O
and	O
a	O
download	O
manager	O
,	O
and	O
was	O
set	O
to	O
display	O
the	O
desktop	O
versions	O
of	O
websites	O
by	O
default	O
,	O
instead	O
of	O
the	O
mobile	O
version	O
.	O
</s>
<s>
A	O
new	O
feature	O
,	O
Sidecar	O
,	O
allows	O
an	O
iPad	B-Device
to	O
function	O
as	O
a	O
second	B-General_Concept
monitor	I-General_Concept
for	O
Macs	B-Device
,	O
which	O
allows	O
the	O
Apple	B-Device
Pencil	I-Device
to	O
be	O
used	O
with	O
Mac	B-Device
applications	I-Device
.	O
</s>
<s>
The	O
Files	B-Operating_System
app	O
gained	O
support	O
for	O
external	O
drives	O
,	O
which	O
can	O
connect	O
to	O
an	O
iPad	B-Device
with	O
USB-C	O
,	O
or	O
through	O
the	O
Lightning	B-Architecture
Camera	O
Connection	O
Kit	O
for	O
iPads	B-Device
with	O
a	O
Lightning	B-Architecture
port	I-Architecture
.	O
</s>
<s>
Preliminary	O
support	O
for	O
mice	O
and	O
trackpad	O
was	O
added	O
to	O
iPad	B-Operating_System
OS	I-Operating_System
13	I-Operating_System
,	O
with	O
full	O
support	O
added	O
in	O
iPadOS	B-Operating_System
13.4	I-Operating_System
.	O
</s>
<s>
iPadOS	B-Operating_System
14	I-Operating_System
was	O
released	O
on	O
September	O
16	O
,	O
2020	O
.	O
</s>
<s>
The	O
standardized	O
system	O
interfaces	O
for	O
Siri	O
and	O
voice	O
calling	O
applications	O
like	O
Skype	B-Application
were	O
shrunk	O
to	O
the	O
size	O
of	O
notifications	O
,	O
to	O
allow	O
users	O
to	O
continue	O
interacting	O
with	O
the	O
open	O
app	O
.	O
</s>
<s>
Spotlight	B-Application
search	O
gained	O
improved	O
search	O
suggestions	O
and	O
more	O
detailed	O
web	O
search	O
results	O
.	O
</s>
<s>
iPadOS	B-Operating_System
14	I-Operating_System
also	O
added	O
support	O
for	O
mounting	O
encrypted	O
APFS	B-Application
external	O
hard	O
drives	O
.	O
</s>
<s>
iPadOS	B-Operating_System
15	I-Operating_System
was	O
released	O
on	O
September	O
20	O
,	O
2021	O
.	O
</s>
<s>
Both	O
features	O
had	O
previously	O
only	O
been	O
available	O
on	O
the	O
iPhone	O
,	O
with	O
iOS	B-Operating_System
14	I-Operating_System
.	O
</s>
<s>
Tab	O
Groups	O
were	O
added	O
to	O
Safari	B-Application
.	O
</s>
<s>
iPadOS	B-Operating_System
15.4	I-Operating_System
added	O
Universal	O
Control	O
:	O
a	O
user	O
can	O
use	O
a	O
Mac	B-Device
or	O
iPad	B-Device
's	O
keyboard	O
and	O
trackpad	O
across	O
all	O
of	O
their	O
other	O
Macs	B-Device
and	O
iPads	B-Device
,	O
by	O
moving	O
the	O
mouse	O
cursor	O
past	O
the	O
edge	O
of	O
the	O
screen	O
in	O
the	O
direction	O
of	O
the	O
other	O
device	O
.	O
</s>
<s>
iPadOS	B-Operating_System
16	I-Operating_System
was	O
released	O
on	O
October	O
24	O
,	O
2022	O
.	O
</s>
<s>
It	O
included	O
a	O
new	O
Weather	O
app	O
,	O
Passkeys	O
in	O
Safari	B-Application
,	O
and	O
a	O
new	O
Stage	O
Manager	O
feature	O
that	O
enables	O
more	O
powerful	O
multitasking	O
.	O
</s>
<s>
iPadOS	O
16.2	O
added	O
the	O
Freeform	B-Protocol
app	O
,	O
a	O
digital	O
whiteboard	O
which	O
can	O
sync	O
across	O
Apple	O
devices	O
.	O
</s>
