<s>
OpenXR	B-General_Concept
is	O
an	O
open	O
,	O
royalty-free	O
standard	O
for	O
access	O
to	O
virtual	B-Application
reality	I-Application
and	O
augmented	B-General_Concept
reality	I-General_Concept
platforms	O
and	O
devices	O
.	O
</s>
<s>
It	O
is	O
developed	O
by	O
a	O
working	O
group	O
managed	O
by	O
the	B-Library
Khronos	I-Library
Group	I-Library
consortium	O
.	O
</s>
<s>
OpenXR	B-General_Concept
was	O
announced	O
by	O
the	B-Library
Khronos	I-Library
Group	I-Library
on	O
February	O
27	O
,	O
2017	O
during	O
GDC	O
2017	O
.	O
</s>
<s>
On	O
July	O
29	O
,	O
2019	O
,	O
OpenXR	B-General_Concept
1.0	O
was	O
released	O
to	O
the	O
public	O
by	O
Khronos	B-Library
Group	I-Library
at	O
SIGGRAPH	O
2019	O
.	O
</s>
<s>
Reviewers	O
of	O
the	O
0.90	O
provisional	O
release	O
considered	O
that	O
the	O
aim	O
of	O
OpenXR	B-General_Concept
was	O
to	O
"	O
Solve	O
AR/VR	O
Fragmentation	O
"	O
.	O
</s>
<s>
The	O
standard	O
provides	O
an	O
API	B-Application
aimed	O
for	O
application	O
developers	O
targeting	O
virtual	B-Application
reality	I-Application
or	O
augmented	B-General_Concept
reality	I-General_Concept
hardware	O
.	O
</s>
<s>
The	O
fundamental	O
elements	O
of	O
this	O
API	B-Application
are	O
:	O
</s>
<s>
The	B-Library
Khronos	I-Library
Group	I-Library
maintains	O
the	O
list	O
of	O
OpenXR-conformant	O
platforms	O
and	O
products	O
.	O
</s>
<s>
Currently	O
conformant	O
OpenXR	B-General_Concept
platforms	O
are	O
:	O
</s>
<s>
Preview	O
and	O
early	O
development	O
releases	O
of	O
OpenXR	B-General_Concept
are	O
available	O
for	O
the	O
following	O
platforms	O
:	O
</s>
<s>
Support	O
for	O
OpenXR	B-General_Concept
application	O
development	O
can	O
be	O
found	O
in	O
the	O
following	O
engines	O
:	O
</s>
<s>
After	O
the	O
release	O
of	O
OpenXR	B-General_Concept
1.0	O
,	O
progress	O
will	O
likely	O
be	O
driven	O
through	O
the	O
development	O
of	O
extensions	O
to	O
the	O
core	O
API	B-Application
.	O
</s>
<s>
As	O
implementers	O
and	O
developers	O
get	O
more	O
experience	O
with	O
the	O
extensions	O
,	O
they	O
could	O
get	O
integrated	O
into	O
the	O
core	O
OpenXR	B-General_Concept
API	B-Application
in	O
future	O
releases	O
.	O
</s>
<s>
The	O
following	O
companies	O
are	O
listed	O
by	O
Khronos	B-Library
as	O
public	O
supporters	O
of	O
OpenXR	B-General_Concept
:	O
</s>
