<s>
iPadOS	B-Operating_System
15	I-Operating_System
is	O
the	O
third	O
major	O
release	O
of	O
the	O
iPadOS	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
developed	O
by	O
Apple	O
for	O
its	O
iPad	B-Device
line	O
of	O
tablet	B-Device
computers	I-Device
.	O
</s>
<s>
The	O
successor	O
to	O
iPadOS	B-Operating_System
14	I-Operating_System
,	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
7	O
,	O
2021	O
along	O
with	O
iOS	B-Operating_System
15	I-Operating_System
,	O
macOS	B-Device
Monterey	I-Device
,	O
watchOS	O
8	O
,	O
and	O
tvOS	O
15	O
.	O
</s>
<s>
It	O
was	O
succeeded	O
by	O
iPadOS	B-Operating_System
16	I-Operating_System
,	O
which	O
was	O
released	O
on	O
October	O
24	O
,	O
2022	O
.	O
</s>
<s>
iPadOS	B-Operating_System
15	I-Operating_System
is	O
the	O
final	O
version	O
of	O
iPadOS	B-Operating_System
that	O
supports	O
the	O
iPad	B-Operating_System
Air	I-Operating_System
2	I-Operating_System
and	O
the	O
iPad	B-Device
Mini	I-Device
4	I-Device
,	O
as	O
its	O
successor	O
,	O
iPadOS	B-Operating_System
16	I-Operating_System
,	O
drops	O
support	O
for	O
those	O
models	O
.	O
</s>
<s>
The	O
home	O
screen	O
grid	O
is	O
reduced	O
by	O
one	O
row	O
to	O
accommodate	O
the	O
new	O
widgets	O
when	O
placed	O
(	O
23	O
icons	O
)	O
,	O
and	O
rotates	O
in	O
portrait	O
orientation	O
,	O
just	O
like	O
iOS	B-Operating_System
12	I-Operating_System
and	O
earlier	O
.	O
</s>
<s>
iPadOS	B-Operating_System
15	I-Operating_System
introduces	O
the	O
App	O
Library	O
from	O
the	O
iPhone	O
in	O
iOS	B-Operating_System
14	I-Operating_System
to	O
the	O
iPad	B-Device
.	O
</s>
<s>
Safari	O
has	O
been	O
redesigned	O
just	O
like	O
in	O
iOS	B-Operating_System
15	I-Operating_System
and	O
macOS	B-Device
Monterey	I-Device
.	O
</s>
<s>
Users	O
can	O
download	O
third	O
party	O
extensions	O
for	O
Safari	O
in	O
the	O
App	B-Application
Store	I-Application
.	O
</s>
<s>
Universal	O
Control	O
allows	O
a	O
user	O
to	O
use	O
a	O
single	O
keyboard	O
and	O
mouse	O
across	O
different	O
Macs	O
and	O
iPads	B-Device
and	O
new	O
keyboard	O
shortcuts	O
have	O
been	O
added	O
in	O
iPadOS	B-Operating_System
15.4	I-Operating_System
.	O
</s>
<s>
The	O
Translate	B-General_Concept
app	O
is	O
now	O
available	O
in	O
iPadOS	B-Operating_System
15	I-Operating_System
.	O
</s>
<s>
The	O
iPadOS	B-Operating_System
13	O
default	O
wallpapers	O
were	O
removed	O
in	O
the	O
first	O
beta	O
of	O
iPadOS	B-Operating_System
15	I-Operating_System
.	O
</s>
<s>
iPadOS	B-Operating_System
15	I-Operating_System
features	O
a	O
new	O
wallpaper	O
in	O
two	O
modes	O
:	O
light	O
and	O
dark	O
.	O
</s>
<s>
All	O
models	O
of	O
iPad	B-Device
now	O
have	O
a	O
"	O
Low	O
Power	O
Mode	O
"	O
option	O
in	O
Settings	O
,	O
like	O
the	O
iOS	B-Application
"	O
Low	O
Power	O
Mode	O
"	O
option	O
in	O
Settings	O
,	O
and	O
can	O
also	O
be	O
added	O
to	O
the	O
Control	O
Center	O
.	O
</s>
<s>
Supports	O
Live	O
Text	O
in	O
iPads	B-Device
with	O
A12	B-Device
Bionic	I-Device
or	O
later	O
.	O
</s>
<s>
Introduces	O
Focus	O
mode	O
like	O
in	O
iOS	B-Operating_System
15	I-Operating_System
.	O
</s>
<s>
All	O
devices	O
supporting	O
iPadOS	B-Operating_System
14	I-Operating_System
also	O
support	O
iPadOS	B-Operating_System
15	I-Operating_System
.	O
</s>
<s>
The	O
first	O
developer	O
beta	O
of	O
iPadOS	B-Operating_System
15	I-Operating_System
was	O
released	O
on	O
June	O
7	O
,	O
2021	O
,	O
and	O
the	O
first	O
public	O
beta	O
was	O
released	O
on	O
June	O
30	O
,	O
2021	O
,	O
six	O
days	O
after	O
the	O
release	O
of	O
the	O
second	O
developer	O
beta	O
.	O
</s>
<s>
The	O
second	O
public	O
beta	O
was	O
released	O
on	O
July	O
16	O
,	O
2021	O
.	O
iPadOS	B-Operating_System
15	I-Operating_System
was	O
officially	O
released	O
on	O
September	O
20	O
,	O
2021	O
.	O
</s>
