<s>
Pipelight	B-Application
is	O
a	O
compatibility	B-General_Concept
layer	I-General_Concept
that	O
allows	O
NPAPI	B-Protocol
plugins	O
designed	O
for	O
Windows	B-Application
to	O
run	O
on	O
Linux	B-Application
.	O
</s>
<s>
It	O
is	O
based	O
on	O
a	O
modified	O
version	O
of	O
Wine	B-Application
.	O
</s>
<s>
It	O
currently	O
supports	O
Silverlight	B-Application
,	O
Flash	B-Operating_System
Player	I-Operating_System
,	O
Unity	B-Application
3D	I-Application
,	O
and	O
Widevine	O
.	O
</s>
<s>
There	O
is	O
experimental	O
support	O
for	O
additional	O
plugins	O
such	O
as	O
Shockwave	B-Operating_System
Player	I-Operating_System
.	O
</s>
<s>
Pipelight	B-Application
requires	O
that	O
the	O
browser	O
support	O
NPAPI	B-Protocol
plugins	O
,	O
which	O
some	O
browsers	O
(	O
notably	O
newer	O
versions	O
of	O
Chrome	B-Application
and	O
Opera	B-Application
)	O
do	O
n't	O
support	O
.	O
</s>
<s>
Firefox	O
dropped	O
NPAPI	B-Protocol
support	O
in	O
version	O
52	O
.	O
</s>
