<s>
Apache	B-Operating_System
Flex	I-Operating_System
,	O
formerly	O
Adobe	B-Operating_System
Flex	I-Operating_System
,	O
is	O
a	O
software	B-Application
development	I-Application
kit	I-Application
(	O
SDK	O
)	O
for	O
the	O
development	O
and	O
deployment	O
of	O
cross-platform	O
rich	B-Application
web	I-Application
applications	I-Application
based	O
on	O
the	O
Adobe	B-Operating_System
Flash	I-Operating_System
platform	I-Operating_System
.	O
</s>
<s>
The	O
Flex	O
3	O
SDK	O
was	O
released	O
under	O
the	O
MPL-1.1	B-License
license	O
in	O
2008	O
.	O
</s>
<s>
Consequently	O
,	O
Flex	O
applications	O
can	O
be	O
developed	O
using	O
standard	O
Integrated	B-Application
development	I-Application
environments	I-Application
(	O
IDEs	O
)	O
,	O
such	O
as	O
IntelliJ	B-Language
IDEA	I-Language
,	O
Eclipse	B-Application
,	O
the	O
free	B-Application
and	I-Application
open	I-Application
source	I-Application
IDE	O
FlashDevelop	O
,	O
as	O
well	O
as	O
the	O
proprietary	O
Adobe	B-Application
Flash	I-Application
Builder	I-Application
.	O
</s>
<s>
In	O
2014	O
,	O
the	O
Apache	O
Software	O
Foundation	O
started	O
a	O
new	O
project	O
called	O
FlexJS	O
to	O
cross-compile	B-Application
ActionScript	B-Operating_System
3	O
to	O
JavaScript	O
to	O
enable	O
it	O
to	O
run	O
on	O
browsers	O
that	O
do	O
not	O
support	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
and	O
on	O
devices	O
that	O
do	O
not	O
support	O
the	O
Adobe	B-Operating_System
AIR	I-Operating_System
runtime	B-Device
.	O
</s>
<s>
In	O
2017	O
,	O
FlexJS	O
was	O
renamed	O
to	O
Apache	B-Operating_System
Royale	I-Operating_System
.	O
</s>
<s>
The	O
Apache	O
Software	O
Foundation	O
describes	O
the	O
current	O
iteration	O
of	O
Apache	B-Operating_System
Royale	I-Operating_System
as	O
an	O
open-source	O
frontend	O
technology	O
that	O
allows	O
a	O
developer	O
to	O
code	O
in	O
ActionScript	B-Operating_System
3	O
and	O
MXML	B-Operating_System
and	O
target	O
web	O
,	O
mobile	O
devices	O
and	O
desktop	O
devices	O
on	O
Apache	B-Protocol
Cordova	I-Protocol
all	O
at	O
once	O
.	O
</s>
<s>
Apache	B-Operating_System
Royale	I-Operating_System
is	O
currently	O
in	O
beta	O
development	O
stage	O
.	O
</s>
<s>
Flex	O
uses	O
MXML	B-Operating_System
to	O
define	O
UI	O
layout	O
and	O
other	O
non-visual	O
static	O
aspects	O
,	O
ActionScript	B-Operating_System
to	O
address	O
dynamic	O
aspects	O
and	O
as	O
code-behind	O
,	O
and	O
requires	O
Adobe	B-Operating_System
AIR	I-Operating_System
or	O
Flash	B-Operating_System
Player	I-Operating_System
at	O
runtime	B-Device
to	O
run	O
the	O
application	O
.	O
</s>
<s>
The	O
company	O
offered	O
the	O
technology	O
at	O
a	O
price	O
around	O
US$	O
15,000	O
per	O
CPU	B-General_Concept
.	O
</s>
<s>
Required	O
for	O
deployment	O
,	O
the	O
Java	B-Language
EE	I-Language
application	O
server	O
compiled	O
MXML	B-Operating_System
and	O
ActionScript	B-Operating_System
on-the-fly	O
into	O
Flash	O
applications	O
(	O
binary	O
SWF	O
files	O
)	O
.	O
</s>
<s>
Each	O
server	O
license	O
included	O
5	O
licenses	O
for	O
the	O
Flex	B-Application
Builder	I-Application
IDE	O
.	O
</s>
<s>
Complete	O
Flex	O
applications	O
can	O
be	O
built	O
and	O
deployed	O
solely	O
with	O
the	O
Flex	O
2	O
SDK	O
,	O
which	O
contains	O
no	O
limitations	O
or	O
restrictions	O
compared	O
to	O
the	O
same	O
SDK	O
included	O
with	O
the	O
Flex	B-Application
Builder	I-Application
IDE	O
.	O
</s>
<s>
Adobe	O
based	O
the	O
new	O
version	O
of	O
Flex	B-Application
Builder	I-Application
on	O
the	O
open	O
source	O
Eclipse	B-Application
platform	I-Application
.	O
</s>
<s>
The	O
company	O
released	O
two	O
versions	O
of	O
Flex	B-Application
Builder	I-Application
2	O
,	O
Standard	O
and	O
Professional	O
.	O
</s>
<s>
Coinciding	O
with	O
the	O
release	O
of	O
Flex	O
2	O
,	O
Adobe	O
introduced	O
a	O
new	O
version	O
of	O
the	O
ActionScript	B-Operating_System
programming	O
language	O
,	O
known	O
as	O
Actionscript	B-Operating_System
3	O
,	O
reflecting	O
the	O
latest	O
ECMAScript	B-Language
specification	O
.	O
</s>
<s>
The	O
use	O
of	O
ActionScript	B-Operating_System
3	O
and	O
Flex	O
2	O
requires	O
version	O
9	O
or	O
later	O
of	O
the	O
Flash	B-Operating_System
Player	I-Operating_System
runtime	B-Device
.	O
</s>
<s>
Flash	B-Operating_System
Player	I-Operating_System
9	I-Operating_System
incorporated	O
a	O
new	O
and	O
more	O
robust	O
virtual	O
machine	O
for	O
running	O
the	O
new	O
ActionScript	B-Operating_System
3	O
.	O
</s>
<s>
On	O
April	O
26	O
,	O
2007	O
,	O
Adobe	O
announced	O
their	O
intent	O
to	O
release	O
the	O
Flex	O
3	O
SDK	O
(	O
which	O
excludes	O
the	O
Flex	B-Application
Builder	I-Application
IDE	O
and	O
the	O
LiveCycle	O
Data	O
Services	O
)	O
under	O
the	O
terms	O
of	O
the	O
Mozilla	B-License
Public	I-License
License	I-License
.	O
</s>
<s>
Major	O
enhancements	O
include	O
integration	O
with	O
the	O
new	O
versions	O
of	O
Adobe	O
's	O
Creative	O
Suite	O
products	O
,	O
support	O
for	O
AIR	B-Operating_System
(	O
Adobe	O
's	O
new	O
desktop	O
application	O
runtime	B-Device
)	O
,	O
and	O
the	O
addition	O
of	O
profiling	O
and	O
refactoring	O
tools	O
to	O
the	O
Flex	B-Application
Builder	I-Application
IDE	O
.	O
</s>
<s>
The	O
Flex	O
4	O
development	O
environment	O
is	O
called	O
Adobe	B-Application
Flash	I-Application
Builder	I-Application
,	O
formerly	O
known	O
as	O
Adobe	B-Application
Flex	I-Application
Builder	I-Application
.	O
</s>
<s>
Full	O
Support	O
for	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
10	O
and	O
above	O
.	O
</s>
<s>
Broadening	O
Horizons	O
:	O
Finding	O
ways	O
to	O
make	O
a	O
framework	O
lighter	O
,	O
supporting	O
more	O
deployment	O
runtimes	O
,	O
runtime	B-Device
MXML	B-Operating_System
.	O
</s>
<s>
Integration	O
with	O
Adobe	B-Operating_System
Flash	I-Operating_System
Catalyst	O
.	O
</s>
<s>
Flash	B-Application
Builder	I-Application
is	O
available	O
in	O
two	O
versions	O
:	O
Standard	O
and	O
Premium	O
,	O
the	O
premium	O
adds	O
the	O
following	O
features	O
;	O
</s>
<s>
May	O
3	O
,	O
2011	O
,	O
Adobe	O
shipped	O
Flash	O
Builder	O
4.5	O
copying	O
Flex	O
4.5	O
(	O
SDK	O
only	O
)	O
which	O
delivers	O
full	O
support	O
for	O
building	O
Flex	O
and	O
ActionScript	B-Operating_System
applications	O
for	O
Google	B-Application
Android	I-Application
,	O
as	O
well	O
as	O
support	O
for	O
building	O
ActionScript	B-Operating_System
applications	O
for	O
BlackBerry	B-Application
Tablet	I-Application
OS	I-Application
and	O
Apple	O
iOS	B-Application
.	O
</s>
<s>
An	O
update	O
to	O
Flash	O
Builder	O
4.5	O
and	O
Flex	O
4.5	O
adds	O
support	O
for	O
building	O
Flex	O
applications	O
for	O
BlackBerry	B-Application
Tablet	I-Application
OS	I-Application
and	O
Apple	O
iOS	B-Application
.	O
</s>
<s>
With	O
the	O
Adobe	B-Operating_System
Flex	I-Operating_System
4.5	O
SDK	O
which	O
is	O
governed	O
by	O
three	O
main	O
goals	O
:	O
</s>
<s>
Jul	O
25	O
,	O
2012	O
,	O
Apache	B-Operating_System
Flex	I-Operating_System
community	O
releases	O
Flex	O
4.8.0-incubating	O
and	O
it	O
as	O
a	O
parity	O
release	O
with	O
Adobe	B-Operating_System
Flex	I-Operating_System
4.6.0	O
.	O
</s>
<s>
This	O
is	O
the	O
first	O
release	O
under	O
the	O
incubator	O
of	O
the	O
Apache	O
Software	O
Foundation	O
and	O
represents	O
the	O
initial	O
donation	O
of	O
Adobe	B-Operating_System
Flex	I-Operating_System
4.6	O
by	O
Adobe	O
System	O
Inc	O
.	O
</s>
<s>
Jan	O
11	O
,	O
2013	O
,	O
Apache	B-Operating_System
Flex	I-Operating_System
community	O
releases	O
Flex	O
4.9.0	O
.	O
</s>
<s>
This	O
is	O
the	O
first	O
release	O
since	O
Apache	B-Operating_System
Flex	I-Operating_System
became	O
a	O
top	O
level	O
project	O
of	O
the	O
Apache	O
Software	O
Foundation	O
.	O
</s>
<s>
Feb	O
28	O
,	O
2013	O
,	O
Apache	B-Operating_System
Flex	I-Operating_System
community	O
releases	O
Flex	O
4.9.1	O
.	O
</s>
<s>
Aug	O
6	O
,	O
2013	O
,	O
Apache	B-Operating_System
Flex	I-Operating_System
community	O
releases	O
Flex	O
4.10.0	O
.	O
</s>
<s>
Oct	O
28	O
,	O
2013	O
,	O
Apache	B-Operating_System
Flex	I-Operating_System
community	O
releases	O
Flex	O
4.11.0	O
.	O
</s>
<s>
Mar	O
10	O
,	O
2014	O
,	O
Apache	B-Operating_System
Flex	I-Operating_System
community	O
releases	O
Flex	O
4.12.0	O
.	O
</s>
<s>
Jul	O
28	O
,	O
2014	O
,	O
Apache	B-Operating_System
Flex	I-Operating_System
community	O
releases	O
Flex	O
4.13.0	O
.	O
</s>
<s>
LiveCycle	O
Data	O
Services	O
(	O
previously	O
called	O
Flex	O
Data	O
Services	O
)	O
is	O
a	O
server-side	O
complement	O
to	O
the	O
main	O
Flex	O
SDK	O
and	O
Flash	B-Application
Builder	I-Application
IDE	O
and	O
is	O
part	O
of	O
a	O
family	O
of	O
server-based	O
products	O
available	O
from	O
Adobe	O
.	O
</s>
<s>
Deployed	O
as	O
a	O
Java	B-Language
EE	I-Language
application	O
,	O
LiveCycle	O
Data	O
Services	O
adds	O
capabilities	O
to	O
Flex	O
applications	O
.	O
</s>
<s>
Previously	O
available	O
only	O
as	O
part	O
of	O
Adobe	O
LiveCycle	O
Data	O
Services	O
ES	O
,	O
Adobe	O
plans	O
to	O
contribute	O
the	O
BlazeDS	B-Application
technologies	O
to	O
the	O
community	O
under	O
the	O
LGPL	B-Application
v3	I-Application
.	O
</s>
<s>
BlazeDS	B-Application
gives	O
Adobe	O
developers	O
free	O
access	O
to	O
the	O
remoting	O
and	O
messaging	O
technologies	O
developed	O
by	O
Adobe	O
.	O
</s>
<s>
Concurrent	O
with	O
pre-release	O
of	O
BlazeDS	B-Application
,	O
Adobe	O
is	O
publishing	O
the	O
AMF	B-Protocol
binary	O
data	O
protocol	O
specification	O
,	O
on	O
which	O
the	O
BlazeDS	B-Application
remoting	O
implementation	O
is	O
based	O
,	O
and	O
is	O
attempting	O
to	O
partner	O
with	O
the	O
community	O
to	O
make	O
this	O
protocol	O
available	O
for	O
major	O
server	O
platforms	O
.	O
</s>
<s>
The	O
ColdFusion	O
MX	O
7.0.2	O
release	O
adds	O
updated	O
Flash	O
Remoting	O
to	O
support	O
ActionScript	B-Operating_System
3	O
,	O
a	O
Flex	O
Data	O
Services	O
event	O
gateway	O
,	O
and	O
the	O
Flex	O
Data	O
Services	O
assembler	O
.	O
</s>
<s>
Flex	B-Application
Builder	I-Application
2	O
also	O
adds	O
extensions	O
for	O
ColdFusion	O
providing	O
a	O
set	O
of	O
wizards	O
for	O
RAD	O
Flex	O
development	O
.	O
</s>
<s>
It	O
is	O
possible	O
to	O
use	O
this	O
framework	O
to	O
write	O
rich	B-Application
web	I-Application
applications	I-Application
,	O
although	O
its	O
intended	O
purpose	O
is	O
for	O
rich	O
forms	O
only	O
.	O
</s>
<s>
Yahoo	B-Application
!	O
</s>
