<s>
Yuzu	B-Application
(	O
sometimes	O
stylized	O
in	O
lowercase	O
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
emulator	O
of	O
the	O
Nintendo	B-Application
Switch	I-Application
,	O
developed	O
in	O
C++	B-Language
.	O
</s>
<s>
Yuzu	B-Application
was	O
announced	O
to	O
be	O
in	O
development	O
on	O
January	O
14	O
,	O
2018	O
,	O
10	O
months	O
after	O
the	O
release	O
of	O
the	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
The	O
emulator	O
is	O
made	O
by	O
the	O
developers	O
of	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
emulator	O
Citra	B-Application
,	O
with	O
significant	O
code	O
shared	O
between	O
the	O
projects	O
.	O
</s>
<s>
Originally	O
,	O
Yuzu	B-Application
only	O
supported	O
test	O
programs	O
and	O
homebrew	B-Application
.	O
</s>
<s>
Yuzu	B-Application
used	O
a	O
network	B-General_Concept
service	I-General_Concept
called	O
Boxcat	O
as	O
a	O
replacement	O
for	O
Nintendo	O
's	O
BCAT	O
dynamic	O
content	O
network	O
.	O
</s>
<s>
The	O
implementation	O
will	O
eventually	O
be	O
replaced	O
with	O
one	O
that	O
allows	O
the	O
use	O
of	O
local	O
BCAT	O
files	O
dumped	O
from	O
a	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
Yuzu	B-Application
also	O
offers	O
a	O
resolution	B-General_Concept
rescaling	O
feature	O
that	O
simulates	O
docked	O
,	O
undocked	O
and	O
beyond-native	O
resolutions	O
.	O
</s>
<s>
After	O
initially	O
adding	O
support	O
for	O
beyond-native	O
resolution	B-General_Concept
,	O
the	O
feature	O
was	O
removed	O
again	O
due	O
to	O
stability	O
issues	O
and	O
inconsistent	O
behaviour	O
on	O
different	O
GPU	O
vendors	O
shortly	O
after	O
.	O
</s>
<s>
In	O
December	O
2019	O
,	O
Yuzu	B-Application
added	O
an	O
experimental	O
Vulkan	B-Application
renderer	O
to	O
its	O
Early	O
Access	O
build	O
and	O
brought	O
it	O
over	O
to	O
its	O
mainline	O
builds	O
.	O
</s>
<s>
On	O
May	O
9	O
,	O
2020	O
,	O
the	O
development	O
team	O
announced	O
an	O
update	O
that	O
included	O
experimental	O
multi-core	B-Architecture
CPU	I-Architecture
emulation	O
codenamed	O
Prometheus	O
.	O
</s>
<s>
In	O
November	O
2020	O
,	O
Yuzu	B-Application
's	O
developers	O
added	O
online	O
functionality	O
to	O
the	O
emulator	O
but	O
removed	O
it	O
shortly	O
thereafter	O
.	O
</s>
<s>
In	O
June	O
2021	O
,	O
Fastmem	O
support	O
was	O
added	O
to	O
early	O
access	O
builds	O
of	O
Yuzu	B-Application
.	O
</s>
<s>
In	O
July	O
2021	O
,	O
Yuzu	B-Application
concluded	O
the	O
"	O
Project	O
Hades	O
"	O
,	O
which	O
aimed	O
to	O
rewrite	O
the	O
shader	O
decompiler	O
,	O
bringing	O
an	O
improvement	O
of	O
the	O
overall	O
performance	O
of	O
the	O
emulator	O
.	O
</s>
<s>
In	O
a	O
statement	O
to	O
PC	O
Gamer	O
,	O
the	O
developers	O
of	O
Yuzu	B-Application
said	O
that	O
they	O
were	O
interested	O
in	O
potential	O
optimizations	O
to	O
the	O
emulator	O
for	O
use	O
on	O
the	O
Steam	B-Device
Deck	I-Device
.	O
</s>
<s>
In	O
October	O
2018	O
,	O
Kotaku	O
published	O
an	O
article	O
noting	O
that	O
Super	B-Application
Mario	I-Application
Odyssey	I-Application
was	O
playable	O
.	O
</s>
<s>
The	O
author	O
of	O
the	O
article	O
expressed	O
concern	O
with	O
the	O
ability	O
of	O
Yuzu	B-Application
to	O
emulate	O
games	O
that	O
were	O
available	O
commercially	O
at	O
the	O
time	O
.	O
</s>
<s>
PC	O
Gamer	O
noted	O
that	O
the	O
emulator	O
was	O
able	O
to	O
run	O
Pokémon	B-Application
:	I-Application
Let	I-Application
's	I-Application
Go	I-Application
,	I-Application
Pikachu	I-Application
!	I-Application
</s>
<s>
and	O
Let	B-Application
's	I-Application
Go	I-Application
,	I-Application
Eevee	I-Application
!	I-Application
</s>
<s>
In	O
October	O
2019	O
,	O
Gizmodo	O
published	O
an	O
article	O
noting	O
that	O
Yuzu	B-Application
was	O
able	O
to	O
emulate	O
some	O
games	O
at	O
a	O
frame	O
rate	O
roughly	O
on	O
par	O
with	O
the	O
actual	O
console	O
hardware	O
.	O
</s>
<s>
Since	O
2021	O
,	O
various	O
outlets	O
have	O
reported	O
that	O
Yuzu	B-Application
can	O
run	O
on	O
the	O
Steam	B-Device
Deck	I-Device
,	O
enabling	O
play	O
of	O
Nintendo	B-Application
Switch	I-Application
games	O
on	O
the	O
system	O
.	O
</s>
<s>
Following	O
the	O
publication	O
of	O
a	O
story	O
by	O
Kotaku	O
on	O
October	O
9	O
,	O
2021	O
,	O
which	O
covered	O
the	O
ability	O
of	O
both	O
Yuzu	B-Application
and	O
Ryujinx	O
(	O
another	O
Switch	B-Application
emulator	I-Application
)	O
to	O
play	O
Metroid	B-Application
Dread	I-Application
,	O
Nintendo	O
contacted	O
the	O
site	O
's	O
editorial	O
team	O
requesting	O
a	O
revision	O
of	O
the	O
article	O
,	O
which	O
was	O
seen	O
as	O
encouraging	O
piracy	O
of	O
the	O
title	O
.	O
</s>
<s>
After	O
the	O
publicization	O
of	O
Yuzu	B-Application
's	O
ability	O
to	O
run	O
on	O
the	O
Steam	B-Device
Deck	I-Device
,	O
several	O
YouTube	O
videos	O
providing	O
guidance	O
on	O
how	O
to	O
do	O
so	O
were	O
taken	O
down	O
.	O
</s>
<s>
On	O
August	O
24	O
,	O
2022	O
,	O
Denuvo	B-Application
Software	I-Application
Solutions	I-Application
GmbH	I-Application
announced	O
that	O
they	O
had	O
developed	O
"	O
Nintendo	B-Application
Switch	I-Application
Emulator	I-Application
Protection	O
"	O
,	O
a	O
new	O
digital	O
rights	O
management	O
solution	O
for	O
Nintendo	B-Application
Switch	I-Application
titles	O
which	O
aims	O
to	O
allow	O
developers	O
to	O
block	O
play	O
via	O
emulators	O
such	O
as	O
Yuzu	B-Application
.	O
</s>
