<s>
Android	B-Application
10	I-Application
(	O
codenamed	O
Android	B-Application
Q	I-Application
during	O
development	O
)	O
is	O
the	O
tenth	B-Application
major	I-Application
release	I-Application
and	O
the	O
17th	O
version	O
of	O
the	O
Android	B-Application
mobile	I-Application
operating	O
system	O
.	O
</s>
<s>
Android	B-Application
10	I-Application
was	O
officially	O
released	O
on	O
September	O
3	O
,	O
2019	O
,	O
for	O
supported	O
Google	B-Device
Pixel	I-Device
devices	O
,	O
as	O
well	O
as	O
the	O
third-party	O
Essential	B-Application
Phone	I-Application
and	O
Redmi	B-Application
K20	I-Application
Pro	I-Application
in	O
selected	O
markets	O
.	O
</s>
<s>
TheOnePlus	O
7Twas	O
the	O
first	O
device	O
with	O
Android	B-Application
10	I-Application
pre-installed	O
.	O
</s>
<s>
In	O
October	O
2019	O
,	O
it	O
was	O
reported	O
that	O
Google	B-Application
's	I-Application
certification	O
requirements	O
for	O
Google	B-Application
Mobile	I-Application
Services	I-Application
will	O
only	O
allow	O
Android	O
10-based	O
builds	O
to	O
be	O
approved	O
after	O
January	O
31	O
,	O
2020	O
.	O
</s>
<s>
As	O
of	O
February	O
2023	O
,	O
17.65	O
%	O
of	O
Android	B-Application
devices	O
(	O
mobile	O
&	O
tablet	O
)	O
ran	O
Android	B-Application
10	I-Application
(	O
API	O
29	O
)	O
,	O
making	O
it	O
the	O
third	O
most	O
common	O
version	O
.	O
</s>
<s>
Google	B-Application
released	O
the	O
first	O
beta	O
of	O
Android	B-Application
10	I-Application
under	O
the	O
preliminary	O
name	O
"	O
Android	B-Application
Q	I-Application
"	O
on	O
March	O
13	O
,	O
2019	O
,	O
exclusively	O
on	O
their	O
Pixel	B-Device
phones	I-Device
,	O
including	O
the	O
first-generation	O
Pixel	O
and	O
Pixel	O
XL	O
devices	O
where	O
support	O
was	O
extended	O
due	O
to	O
popular	O
demand	O
.	O
</s>
<s>
Having	O
been	O
guaranteed	O
updates	O
only	O
up	O
to	O
October	O
2018	O
,	O
the	O
first-generation	O
Pixel	O
and	O
Pixel	O
XL	O
devices	O
received	O
version	O
updates	O
to	O
Android	B-Application
10	I-Application
.	O
</s>
<s>
The	O
Pixel	B-Device
2	I-Device
and	O
Pixel	B-Device
2	I-Device
XL	I-Device
were	O
included	O
,	O
after	O
being	O
granted	O
an	O
extended	O
warranty	O
period	O
which	O
guaranteed	O
Android	B-Application
version	I-Application
updates	O
for	O
them	O
for	O
at	O
least	O
3	O
years	O
from	O
when	O
they	O
were	O
first	O
available	O
on	O
the	B-Application
Google	I-Application
Store	O
.	O
</s>
<s>
The	O
beta	O
program	O
was	O
expanded	O
with	O
the	O
release	O
of	O
Beta	O
3	O
on	O
May	O
7	O
,	O
2019	O
,	O
being	O
made	O
available	O
on	O
14	O
partner	O
devices	O
from	O
11	O
OEMs	O
;	O
twice	O
as	O
many	O
devices	O
compared	O
to	O
Android	B-Application
Pie	I-Application
's	O
beta	O
.	O
</s>
<s>
Beta	O
access	O
was	O
removed	O
from	O
the	O
Huawei	B-Application
Mate	I-Application
20	I-Application
Pro	I-Application
on	O
May	O
21	O
,	O
2019	O
,	O
due	O
to	O
U.S.	O
government	O
sanctions	O
,	O
but	O
was	O
later	O
restored	O
on	O
May	O
31	O
.	O
</s>
<s>
Google	B-Application
released	O
Beta	O
4	O
on	O
June	O
5	O
,	O
2019	O
,	O
with	O
the	O
finalized	O
Android	B-Application
Q	I-Application
APIs	O
and	O
SDK	O
(	O
API	O
Level	O
29	O
)	O
.	O
</s>
<s>
The	O
Dynamic	O
System	O
Update	O
allows	O
Android	B-Application
Q	I-Application
devices	O
to	O
temporarily	O
install	O
a	O
Generic	O
System	O
Image	O
(	O
GSI	O
)	O
to	O
try	O
a	O
newer	O
version	O
of	O
Android	B-Application
on	O
top	O
of	O
their	O
current	O
Android	B-Application
version	I-Application
.	O
</s>
<s>
Once	O
users	O
decide	O
to	O
end	O
testing	O
the	O
chosen	O
GSI	O
image	O
,	O
they	O
can	O
simply	O
reboot	O
their	O
device	O
and	O
boot	O
back	O
into	O
their	O
normal	O
device	O
's	O
Android	B-Application
version	I-Application
.	O
</s>
<s>
Google	B-Application
released	O
Beta	O
5	O
on	O
July	O
10	O
,	O
2019	O
,	O
with	O
the	O
final	O
API	O
29	O
SDK	O
as	O
well	O
as	O
the	O
latest	O
optimizations	O
and	O
bug	O
fixes	O
.	O
</s>
<s>
Google	B-Application
released	O
Beta	O
6	O
,	O
the	O
final	O
release	O
candidate	O
for	O
testing	O
,	O
on	O
August	O
7	O
,	O
2019	O
.	O
</s>
<s>
On	O
August	O
22	O
,	O
2019	O
,	O
it	O
was	O
announced	O
that	O
Android	B-Application
Q	I-Application
would	O
be	O
branded	O
solely	O
as	O
"	O
Android	B-Application
10	I-Application
"	O
with	O
no	O
codename	O
,	O
effectively	O
ending	O
the	O
practice	O
of	O
alphabetically	O
codenaming	O
major	O
releases	O
based	O
on	O
names	O
of	O
confectionary	O
products	O
(	O
including	O
brand	O
names	O
)	O
,	O
arguing	O
that	O
this	O
was	O
not	O
inclusive	O
to	O
international	O
users	O
,	O
due	O
either	O
to	O
the	O
aforementioned	O
products	O
not	O
being	O
internationally	O
known	O
,	O
or	O
being	O
difficult	O
to	O
pronounce	O
by	O
speakers	O
of	O
certain	O
languages	O
.	O
</s>
<s>
Additionally	O
,	O
Android	B-Application
VP	O
of	O
engineering	O
Dave	O
Burke	O
stated	O
that	O
most	O
desserts	O
with	O
a	O
name	O
beginning	O
with	O
the	O
letter	O
Q	O
were	O
exotic	O
,	O
and	O
that	O
he	O
personally	O
would	O
have	O
chosen	O
queen	O
cake	O
.	O
</s>
<s>
The	O
statue	B-Application
for	O
the	O
release	O
is	O
likewise	O
the	O
numeral	O
10	O
,	O
with	O
the	O
Android	B-Application
robot	O
logo	O
(	O
which	O
,	O
as	O
part	O
of	O
an	O
accompanying	O
rebranding	O
,	O
has	O
also	O
been	O
changed	O
to	O
only	O
consist	O
of	O
a	O
head	O
)	O
resting	O
inside	O
the	O
numeral	O
"	O
0	O
"	O
.	O
</s>
<s>
Android	B-Application
10	I-Application
introduces	O
a	O
revamped	O
full-screen	O
gesture	O
navigation	O
system	O
and	O
new	O
app	O
open	O
and	O
close	O
animations	O
,	O
with	O
gestures	O
such	O
as	O
swiping	O
from	O
either	O
side	O
edge	O
of	O
the	O
display	O
to	O
go	O
back	O
,	O
swiping	O
up	O
to	O
go	O
to	O
the	O
home	O
screen	O
,	O
swiping	O
up	O
and	O
holding	O
to	O
access	O
Overview	O
,	O
swiping	O
diagonally	O
from	O
a	O
bottom	O
corner	O
of	O
the	O
screen	O
to	O
activate	O
the	B-Application
Google	I-Application
Assistant	O
,	O
and	O
swiping	O
along	O
the	O
gesture	O
bar	O
at	O
the	O
bottom	O
of	O
the	O
screen	O
to	O
switch	O
apps	O
.	O
</s>
<s>
An	O
API	O
can	O
be	O
used	O
by	O
apps	O
to	O
opt	O
out	O
of	O
handling	O
a	O
back	O
gesture	O
within	O
specific	O
areas	O
of	O
the	O
screen	O
,	O
a	O
sensitivity	O
control	O
was	O
added	O
for	O
adjusting	O
the	O
size	O
of	O
the	O
target	O
area	O
to	O
activate	O
the	O
gesture	O
,	O
and	O
Google	B-Application
later	O
stated	O
that	O
the	O
drawer	O
widget	O
would	O
support	O
being	O
"	O
peeked	O
"	O
by	O
long-pressing	O
near	O
the	O
edge	O
of	O
the	O
screen	O
,	O
and	O
then	O
swiped	O
open	O
.	O
</s>
<s>
The	O
traditional	O
three-key	O
navigation	O
system	O
used	O
since	O
Android	B-Application
"	I-Application
Honeycomb	I-Application
"	I-Application
remains	O
supported	O
as	O
an	O
option	O
,	O
along	O
with	O
the	O
two-button	O
"	O
pill	O
"	O
style	O
navigation	O
introduced	O
in	O
Android	B-Application
9.0	I-Application
Pie	I-Application
.	O
</s>
<s>
Per	O
Google	B-Application
certification	O
requirements	O
,	O
OEMs	O
are	O
required	O
to	O
support	O
Android	B-Application
10	I-Application
's	O
default	O
gestures	O
and	O
three-key	O
navigation	O
.	O
</s>
<s>
The	O
two-key	O
gesture	O
navigation	O
system	O
used	O
on	O
Android	B-Application
Pie	I-Application
is	O
deprecated	O
,	O
and	O
may	O
not	O
be	O
included	O
on	O
devices	O
that	O
ship	O
with	O
Android	B-Application
10	I-Application
.	O
</s>
<s>
However	O
,	O
it	O
can	O
still	O
be	O
included	O
as	O
an	O
option	O
for	O
continuity	O
purposes	O
on	O
devices	O
upgraded	O
from	O
Pie	B-Application
.	O
</s>
<s>
Android	B-Application
10	I-Application
includes	O
a	O
system-level	O
dark	B-General_Concept
mode	I-General_Concept
.	O
</s>
<s>
Third-party	O
apps	O
can	O
automatically	O
engage	O
a	O
dark	B-General_Concept
mode	I-General_Concept
when	O
it	O
is	O
active	O
.	O
</s>
<s>
Several	O
major	O
security	O
and	O
privacy	O
changes	O
are	O
present	O
in	O
Android	B-Application
10	I-Application
:	O
apps	O
can	O
be	O
restricted	O
by	O
users	O
to	O
only	O
having	O
access	O
to	O
location	O
data	O
when	O
they	O
are	O
actively	O
being	O
used	O
in	O
the	O
foreground	O
.	O
</s>
<s>
For	O
security	O
(	O
due	O
to	O
its	O
use	O
by	O
clickjacking	O
malware	O
)	O
and	O
performance	O
reasons	O
,	O
Android	B-Application
10	I-Application
Go	B-Application
Edition	I-Application
forbids	O
use	O
of	O
overlays	O
,	O
except	O
for	O
apps	O
that	O
received	O
the	O
permission	O
before	O
a	O
device	O
was	O
upgraded	O
to	O
Android	B-Application
10	I-Application
.	O
</s>
<s>
In	O
February	O
2019	O
,	O
Google	B-Application
unveiled	O
Adiantum	B-Algorithm
,	O
an	O
encryption	O
cipher	O
designed	O
primarily	O
for	O
use	O
on	O
devices	O
that	O
do	O
not	O
have	O
hardware-accelerated	O
support	O
for	O
the	O
Advanced	B-Algorithm
Encryption	I-Algorithm
Standard	I-Algorithm
(	O
AES	B-Algorithm
)	O
,	O
such	O
as	O
low-end	O
devices	O
.	O
</s>
<s>
Google	B-Application
stated	O
that	O
this	O
cipher	O
was	O
five	O
times	O
faster	O
than	O
AES-256-XTS	O
on	O
an	O
ARM	B-Application
Cortex-A7	I-Application
CPU	O
.	O
</s>
<s>
Therefore	O
,	O
device	O
encryption	O
is	O
now	O
mandatory	O
on	O
all	O
Android	B-Application
10	I-Application
devices	O
,	O
regardless	O
of	O
specifications	O
,	O
using	O
Adiantum	B-Algorithm
if	O
their	O
CPU	O
is	O
not	O
capable	O
of	O
hardware-accelerated	O
AES	B-Algorithm
.	O
</s>
<s>
In	O
addition	O
,	O
implementation	O
of	O
"	O
file-based	O
encryption	O
"	O
(	O
first	O
introduced	O
in	O
Android	B-Application
Nougat	I-Application
)	O
is	O
also	O
mandatory	O
for	O
all	O
devices	O
.	O
</s>
<s>
On	O
devices	O
shipping	O
with	O
Android	B-Application
10	I-Application
,	O
security	O
patches	O
for	O
selected	O
system	O
components	O
(	O
such	O
as	O
ANGLE	B-Language
,	O
Conscrypt	O
,	O
media	O
frameworks	O
,	O
networking	O
components	O
,	O
and	O
others	O
)	O
may	O
be	O
serviced	O
via	O
Google	B-Application
Play	I-Application
Store	I-Application
,	O
without	O
requiring	O
a	O
complete	O
system	O
update	O
(	O
"	O
Project	O
Mainline	O
"	O
)	O
.	O
</s>
<s>
In	O
order	O
to	O
license	O
Google	B-Application
Mobile	I-Application
Services	I-Application
,	O
manufacturers	O
must	O
support	O
these	O
updates	O
for	O
specific	O
modules	O
,	O
while	O
the	O
remainder	O
are	O
marked	O
as	O
"	O
recommended	O
"	O
but	O
optional	O
.	O
</s>
<s>
Selected	O
modules	O
within	O
this	O
system	O
use	O
the	O
new	O
APEX	O
package	O
format	O
,	O
a	O
variation	O
of	O
APK	B-Application
files	I-Application
designed	O
for	O
housing	O
and	O
servicing	O
low-level	O
system	O
components	O
.	O
</s>
<s>
A	O
major	O
change	O
to	O
storage	O
access	O
permissions	O
known	O
as	O
"	O
Scoped	O
storage	O
"	O
is	O
supported	O
on	O
Android	B-Application
10	I-Application
,	O
and	O
will	O
become	O
mandatory	O
for	O
all	O
apps	O
beginning	O
with	O
Android	B-Application
11	I-Application
.	O
</s>
<s>
Any	O
other	O
file	O
may	O
only	O
be	O
accessed	O
via	O
user	O
intervention	O
through	O
the	O
backwards-incompatible	B-General_Concept
Google	B-Application
Storage	O
Access	O
Frameworks	O
.	O
</s>
<s>
Platform	O
optimizations	O
have	O
been	O
made	O
for	O
foldable	B-Application
smartphones	I-Application
,	O
including	O
app	O
continuity	O
when	O
changing	O
modes	O
,	O
changes	O
to	O
multi-window	O
mode	O
to	O
allow	O
all	O
apps	O
to	O
run	O
simultaneously	O
(	O
rather	O
than	O
only	O
the	O
actively-used	O
app	O
running	O
,	O
and	O
all	O
others	O
being	O
considered	O
"	O
paused	O
"	O
)	O
,	O
and	O
additional	O
support	O
for	O
multiple	O
displays	O
.	O
</s>
<s>
Native	O
support	O
has	O
been	O
added	O
for	O
MIDI	O
controllers	O
,	O
the	O
AV1	B-Application
video	O
codec	O
,	O
the	O
Opus	B-Algorithm
audio	O
codec	O
,	O
and	O
HDR10+	B-Device
.	O
</s>
<s>
Native	O
support	O
for	O
aptX	O
Adaptive	O
,	O
LHDC	O
,	O
LLAC	O
,	O
CELT	B-Algorithm
and	O
AAC	O
LATM	O
codecs	O
was	O
added	O
as	O
well	O
.	O
</s>
<s>
Android	B-Application
10	I-Application
supports	O
WPA3	O
encryption	O
protocol	O
and	O
Enhanced	O
Open	O
,	O
which	O
introduce	O
opportunistic	O
encryption	O
for	O
Wi-Fi	O
.	O
</s>
<s>
Android	B-Application
10	I-Application
adds	O
support	O
for	O
Dual-SIM	O
dual-standby	O
(	O
DSDS	O
)	O
,	O
but	O
is	O
initially	O
only	O
available	O
on	O
the	O
Pixel	O
3a	O
and	O
Pixel	O
3a	O
XL	O
.	O
</s>
<s>
Android	B-Application
10	I-Application
Go	B-Application
Edition	I-Application
has	O
performance	O
improvements	O
,	O
with	O
Google	B-Application
stating	O
that	O
apps	O
would	O
launch	O
10%	O
quicker	O
than	O
on	O
Pie	B-Application
.	O
</s>
<s>
Recently	O
,	O
Android	B-Application
10	I-Application
has	O
been	O
ported	O
to	O
the	O
RISC-V	B-Device
architecture	I-Device
by	O
Chinese-owned	O
T-Head	O
Semiconductor	O
.	O
</s>
<s>
T-Head	O
Semiconductor	O
managed	O
to	O
get	O
Android	B-Application
10	I-Application
running	O
on	O
a	O
triple-core	O
,	O
64-bit	O
,	O
RISC-V	B-Device
CPU	O
of	O
their	O
own	O
design	O
.	O
</s>
