<s>
Android	B-Application
12	O
is	O
the	O
twelfth	B-Application
major	I-Application
release	I-Application
and	O
19th	O
version	O
of	O
Android	B-Application
,	O
the	O
mobile	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
developed	O
by	O
the	O
Open	O
Handset	O
Alliance	O
led	O
by	O
Google	B-Application
.	I-Application
</s>
<s>
Android	B-Application
12	I-Application
was	O
released	O
publicly	O
on	O
October	O
4	O
,	O
2021	O
,	O
through	O
Android	B-Application
Open	O
Source	O
Project	O
(	O
AOSP	O
)	O
and	O
was	O
released	O
to	O
supported	O
Google	B-Device
Pixel	I-Device
devices	O
on	O
October	O
19	O
,	O
2021	O
.	O
</s>
<s>
As	O
of	O
March	O
2023	O
Android	B-Application
12	I-Application
is	O
the	O
most	O
widely-used	O
version	O
of	O
Android	B-Application
,	O
with	O
22.49	O
%	O
of	O
devices	O
having	O
the	O
operating	O
system	O
installed	O
.	O
</s>
<s>
The	O
first	O
phones	O
to	O
have	O
Android	B-Application
12	I-Application
were	O
the	B-Application
Google	I-Application
Pixel	B-Device
6	I-Device
and	O
the	O
Pixel	B-Device
6	I-Device
Pro	I-Device
.	O
</s>
<s>
Android	B-Application
12	I-Application
(	O
internally	O
codenamed	O
Snow	O
Cone	O
)	O
was	O
announced	O
in	O
an	O
Android	B-Application
blog	O
posted	O
on	O
February	O
18	O
,	O
2021	O
.	O
</s>
<s>
Android	B-Application
12	I-Application
stable	O
got	O
released	O
on	O
the	O
Android	B-Application
Open	O
Source	O
Project	O
on	O
October	O
4	O
,	O
getting	O
its	O
public	O
over-the-air	O
rollout	O
on	O
October	O
19	O
,	O
coinciding	O
with	O
the	O
launch	O
event	O
for	O
the	O
Pixel	B-Device
6	I-Device
.	O
</s>
<s>
In	O
October	O
2021	O
,	O
Google	B-Application
announced	O
Android	B-Application
12L	O
,	O
an	O
interim	O
release	O
of	O
Android	B-Application
12	I-Application
including	O
improvements	O
specific	O
for	O
foldable	B-Application
phones	I-Application
,	O
tablets	B-Device
,	O
desktop-sized	O
screens	O
and	O
Chromebooks	B-Operating_System
,	O
and	O
modifications	O
to	O
the	O
user	O
interface	O
to	O
tailor	O
it	O
to	O
larger	O
screens	O
.	O
</s>
<s>
Developer	O
Preview	O
1	O
of	O
Android	B-Application
12L	O
was	O
released	O
in	O
October	O
2021	O
,	O
followed	O
by	O
Beta	O
1	O
in	O
December	O
2021	O
,	O
Beta	O
2	O
in	O
January	O
2022	O
,	O
and	O
Beta	O
3	O
in	O
February	O
2022	O
.	O
</s>
<s>
The	O
stable	O
version	O
of	O
Android	B-Application
12L	O
was	O
released	O
for	O
devices	O
with	O
large	O
screens	O
on	O
March	O
7	O
,	O
2022	O
,	O
and	O
was	O
released	O
as	O
"	O
Android	B-Application
12.1	O
"	O
for	O
Pixel	B-Device
smartphones	I-Device
on	O
the	O
same	O
date	O
,	O
besides	O
the	O
Pixel	B-Device
6	I-Device
&	O
Pixel	B-Device
6	I-Device
Pro	I-Device
.	O
</s>
<s>
Android	B-Application
12	I-Application
introduces	O
a	O
major	O
refresh	O
to	O
the	O
operating	O
system	O
's	O
Material	B-Application
Design	I-Application
language	O
branded	O
as	O
"	O
Material	O
You	O
"	O
,	O
which	O
features	O
larger	O
buttons	O
,	O
increased	O
use	O
of	O
animation	O
,	O
and	O
a	O
new	O
style	O
for	O
home	O
screen	O
widgets	O
.	O
</s>
<s>
The	O
smart	O
home	O
and	O
Wallet	O
areas	O
added	O
to	O
the	O
power	O
menu	O
on	O
Android	B-Application
11	I-Application
have	O
been	O
relocated	O
to	O
the	O
notification	O
shade	O
,	O
while	O
Google	B-Application
Assistant	O
is	O
now	O
activated	O
by	O
holding	O
the	O
power	O
button	O
.	O
</s>
<s>
Android	B-Application
12	I-Application
features	O
native	O
support	O
for	O
taking	O
scrolling	O
screenshots	O
.	O
</s>
<s>
The	O
Android	B-Application
Runtime	I-Application
has	O
been	O
added	O
to	O
Project	O
Mainline	O
,	O
allowing	O
it	O
to	O
be	O
serviced	O
via	O
Play	B-Application
Store	I-Application
.	O
</s>
<s>
Android	B-Application
12	I-Application
adds	O
support	O
for	O
spatial	O
audio	O
,	O
and	O
MPEG-H	O
3D	O
Audio	O
,	O
and	O
supports	O
transcoding	O
of	O
HEVC	B-Algorithm
video	O
for	O
backwards	O
compatibility	O
with	O
apps	O
which	O
do	O
not	O
support	O
it	O
.	O
</s>
<s>
OS-level	O
machine	O
learning	O
functions	O
are	O
sandboxed	O
within	O
the	O
"	O
Android	B-Application
Private	O
Compute	O
Core	O
"	O
,	O
which	O
is	O
expressly	O
prohibited	O
from	O
accessing	O
networks	O
.	O
</s>
