<s>
SeaMonkey	B-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
Internet	B-Protocol
suite	I-Protocol
.	O
</s>
<s>
It	O
is	O
the	O
continuation	O
of	O
the	O
former	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
,	O
based	O
on	O
the	O
same	O
source	O
code	O
,	O
which	O
itself	O
grew	O
out	O
of	O
Netscape	B-Protocol
Communicator	I-Protocol
and	O
formed	O
the	O
base	O
of	O
Netscape	B-Protocol
6	I-Protocol
and	O
Netscape	B-Protocol
7	I-Protocol
.	O
</s>
<s>
SeaMonkey	B-Language
was	O
created	O
in	O
2005	O
after	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
decided	O
to	O
focus	O
on	O
the	O
standalone	O
projects	O
Firefox	B-Application
and	O
Thunderbird	B-Application
.	O
</s>
<s>
The	O
development	O
of	O
SeaMonkey	B-Language
is	O
community-driven	O
,	O
in	O
contrast	O
to	O
the	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
,	O
which	O
until	O
its	O
last	O
released	O
version	O
(	O
1.7.13	O
)	O
was	O
governed	O
by	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
.	O
</s>
<s>
The	O
new	O
project-leading	O
group	O
is	O
called	O
the	O
SeaMonkey	B-Language
Council	O
.	O
</s>
<s>
Compared	O
to	O
Firefox	B-Application
,	O
the	O
SeaMonkey	B-Language
web	B-Application
browser	I-Application
keeps	O
the	O
more	O
traditional-looking	O
interface	O
of	O
Netscape	B-Protocol
and	O
the	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
,	O
most	O
notably	O
the	O
XUL	B-Application
architecture	O
.	O
</s>
<s>
This	O
allows	O
the	O
user	O
to	O
extend	O
SeaMonkey	B-Language
by	O
modifying	O
add-ons	B-Operating_System
for	O
Thunderbird	B-Application
or	O
the	O
add-ons	B-Operating_System
that	O
were	O
formerly	O
compatible	O
with	O
Firefox	B-Application
before	O
the	O
latter	O
switched	O
to	O
WebExtensions	B-Operating_System
.	O
</s>
<s>
SeaMonkey	B-Language
consists	O
of	O
a	O
web	B-Application
browser	I-Application
,	O
which	O
is	O
a	O
descendant	O
of	O
the	O
Netscape	B-Protocol
family	O
,	O
an	O
e-mail	O
and	O
news	B-Protocol
client	I-Protocol
program	O
(	O
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
,	O
which	O
shares	O
code	O
with	O
Mozilla	B-Application
Thunderbird	I-Application
)	O
,	O
an	O
HTML	B-General_Concept
editor	I-General_Concept
(	O
SeaMonkey	B-Language
Composer	O
)	O
and	O
an	O
IRC	O
client	O
(	O
ChatZilla	B-Operating_System
)	O
.	O
</s>
<s>
The	O
software	O
suite	O
supports	O
skins	B-Application
.	O
</s>
<s>
It	O
comes	O
with	O
two	O
skins	B-Application
in	O
the	O
default	O
installation	O
,	O
Modern	O
and	O
Classic	O
.	O
</s>
<s>
SeaMonkey	B-Language
Mail	O
is	O
a	O
traditional	O
e-mail	O
client	O
that	O
includes	O
support	O
for	O
multiple	O
accounts	O
,	O
junk	O
mail	O
detection	O
,	O
message	O
filters	O
,	O
HTML	B-Language
message	O
support	O
,	O
and	O
address	O
books	O
,	O
among	O
other	O
features	O
.	O
</s>
<s>
It	O
shares	O
code	O
with	O
Mozilla	B-Application
Thunderbird	I-Application
;	O
both	O
Thunderbird	B-Application
and	O
SeaMonkey	B-Language
are	O
built	O
from	O
Mozilla	O
's	O
comm-central	O
source	O
tree	O
.	O
</s>
<s>
SeaMonkey	B-Language
Composer	O
is	O
a	O
WYSIWYG	B-Application
HTML	B-General_Concept
editor	I-General_Concept
descended	O
from	O
Mozilla	B-General_Concept
Composer	I-General_Concept
.	O
</s>
<s>
Its	O
main	O
user	O
interface	O
features	O
four	O
tabs	O
:	O
Normal	O
(	O
WYSIWYG	B-Application
)	O
,	O
HTML	B-Language
tags	O
,	O
HTML	B-Language
code	I-Language
,	O
and	O
browser	B-Application
preview	O
.	O
</s>
<s>
The	O
generated	O
code	O
is	O
HTML	B-Language
4.01	I-Language
Transitional	O
.	O
</s>
<s>
To	O
avoid	O
confusing	O
organizations	O
that	O
still	O
want	O
to	O
use	O
the	O
original	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
,	O
the	O
new	O
product	O
needed	O
a	O
new	O
name	O
.	O
</s>
<s>
After	O
initial	O
speculation	O
by	O
members	O
of	O
the	O
community	O
,	O
a	O
July	O
2	O
,	O
2005	O
announcement	O
confirmed	O
that	O
SeaMonkey	B-Language
would	O
officially	O
become	O
the	O
name	O
of	O
the	O
Internet	B-Protocol
suite	I-Protocol
superseding	O
the	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
.	O
</s>
<s>
"	O
Seamonkey	B-Language
"	O
(	O
with	O
a	O
lowercase	O
"	O
m	O
"	O
)	O
refers	O
to	O
brine	O
shrimp	O
and	O
had	O
been	O
used	O
by	O
Netscape	B-Protocol
and	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
as	O
a	O
code	O
name	O
for	O
the	O
never-released	O
Netscape	B-Protocol
Communicator	I-Protocol
5	O
and	O
later	O
the	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
itself	O
.	O
</s>
<s>
Originally	O
,	O
the	O
name	O
"	O
Seamonkey	B-Language
"	O
was	O
derived	O
by	O
Netscape	B-Protocol
management	O
to	O
replace	O
"	O
Buttmonkey	O
"	O
,	O
which	O
their	O
developers	B-Application
had	O
chosen	O
following	O
an	O
internal	O
contest	O
for	O
the	O
codename	O
.	O
</s>
<s>
The	O
SeaMonkey	B-Language
Council	O
has	O
now	O
trademarked	O
the	O
name	O
with	O
help	O
from	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
.	O
</s>
<s>
The	O
project	O
uses	O
a	O
separate	O
numbering	O
scheme	O
,	O
with	O
the	O
first	O
release	O
being	O
called	O
SeaMonkey	B-Language
1.0	O
.	O
</s>
<s>
Despite	O
having	O
a	O
different	O
name	O
and	O
version	O
number	O
,	O
SeaMonkey	B-Language
1.0	O
is	O
based	O
on	O
the	O
same	O
code	O
as	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
1.7	O
.	O
</s>
<s>
For	O
trademark	O
and	O
copyright	O
reasons	O
,	O
Debian	O
rebranded	O
SeaMonkey	B-Language
and	O
distributed	O
it	O
as	O
Iceape	O
until	O
2013	O
.	O
</s>
<s>
On	O
March	O
10	O
,	O
2005	O
,	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
announced	O
that	O
it	O
would	O
not	O
release	O
any	O
official	O
versions	O
of	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
beyond	O
1.7.x	O
,	O
since	O
it	O
had	O
now	O
focused	O
on	O
the	O
standalone	O
applications	O
Firefox	B-Application
and	O
Thunderbird	B-Application
.	O
</s>
<s>
In	O
effect	O
,	O
this	O
meant	O
that	O
the	O
suite	O
would	O
still	O
continue	O
to	O
be	O
developed	O
,	O
but	O
now	O
by	O
the	O
SeaMonkey	B-Language
Council	O
instead	O
of	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
.	O
</s>
<s>
SeaMonkey	B-Language
was	O
first	O
released	O
on	O
September	O
15	O
,	O
2005	O
.	O
</s>
<s>
SeaMonkey	B-Language
1	O
was	O
released	O
on	O
January	O
30	O
,	O
2006	O
.	O
</s>
<s>
Core	O
Mozilla	O
project	O
source	O
code	O
was	O
licensed	O
under	O
a	O
disjunctive	O
tri-license	O
(	O
before	O
changing	O
to	O
MPL	B-License
2.0	I-License
)	O
that	O
gave	O
the	O
choice	O
of	O
one	O
of	O
the	O
three	O
following	O
sets	O
of	O
licensing	O
terms	O
:	O
Mozilla	B-License
Public	I-License
License	I-License
,	O
version	O
1.1	O
or	O
later	O
,	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
,	O
version	O
2.0	O
or	O
later	O
,	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
,	O
version	O
2.1	O
or	O
later	O
.	O
</s>
<s>
Parts	O
of	O
this	O
table	O
are	O
based	O
on	O
the	O
SeaMonkey	B-Language
,	O
the	O
and	O
the	O
.	O
</s>
<s>
+	O
Release	O
history	O
Gecko	B-Language
Branch	O
Version	O
Release	O
date	O
Significant	O
changes1.81.0	O
AlphaSeptember	O
15	O
,	O
20051.0	O
BetaDecember	O
19	O
,	O
2005SVG	O
graphics	O
support	O
enabled	O
by	O
default.1.8.01.0January	O
30	O
,	O
2006Official	O
Version	O
1.0	O
release.1.0.1April	O
13	O
,	O
2006Security	O
updates	O
and	O
native	O
support	O
for	O
Intel-based	O
Macintosh	O
computers	O
,	O
via	O
Universal	O
Binary.1.0.2June	O
1	O
,	O
2006	O
Stability	O
improvement	O
and	O
security	O
fixes.1.0.3July	O
27	O
,	O
2006	O
Stability	O
improvement	O
and	O
security	O
fixes.1.0.4August	O
2	O
,	O
2006	O
Small	O
fix	O
for	O
a	O
regression	O
with	O
the	O
Microsoft	B-Application
Media	I-Application
Server	I-Application
protocol	O
in	O
1.0.3.1.0.5September	O
14	O
,	O
2006	O
Stability	O
improvement	O
and	O
security	O
fixes.1.0.6November	O
8	O
,	O
2006	O
Stability	O
improvement	O
and	O
security	O
fixes.1.0.7December	O
20	O
,	O
2006	O
Stability	O
improvement	O
and	O
security	O
fixes.1.0.8February	O
27	O
,	O
2007	O
Stability	O
improvement	O
and	O
security	O
fixes.1.0.9May	O
30	O
,	O
2007	O
Stability	O
improvement	O
and	O
security	O
fixes	O
.	O
</s>
<s>
Marks	O
the	O
end	O
of	O
life	O
for	O
SeaMonkey	B-Language
1.0.x	O
series.1.8.11.1	O
AlphaAugust	O
30	O
,	O
2006Major	O
feature	O
work1.1	O
BetaNovember	O
8	O
,	O
20061.1January	O
18	O
,	O
2007Official	O
Version	O
1.1	O
release.1.1.1February	O
28	O
,	O
2007	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.2May	O
30	O
,	O
2007	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.3July	O
19	O
,	O
2007	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.4August	O
3	O
,	O
2007	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.5October	O
19	O
,	O
2007	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.6November	O
5	O
,	O
2007	O
Several	O
small	O
problems	O
in	O
displaying	O
certain	O
web	O
pages	O
corrected1.1.7November	O
30	O
,	O
2007	O
Stability	O
improvement	O
and	O
security	O
fixes	O
.	O
</s>
<s>
Problem	O
with	O
running	O
SeaMonkey	B-Language
from	O
read-only	O
application	O
directories	O
corrected.The	O
last	O
to	O
be	O
built	O
for	O
Solaris	O
8.1.1.8February	O
7	O
,	O
2008	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.9March	O
25	O
,	O
2008	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.10July	O
2	O
,	O
2008	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.11July	O
15	O
,	O
2008	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.12September	O
23	O
,	O
2008	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.13November	O
12	O
,	O
2008	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.14December	O
16	O
,	O
2008	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.15March	O
18	O
,	O
2009	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.16April	O
8	O
,	O
2009	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.17June	O
22	O
,	O
2009	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.18September	O
3	O
,	O
2009	O
Stability	O
improvement	O
and	O
security	O
fixes.1.1.19March	O
16	O
,	O
2010	O
Stability	O
improvement	O
and	O
security	O
fixes	O
.	O
</s>
<s>
End-of-life	O
of	O
1.1.x	O
product	O
line.The	O
last	O
to	O
support	O
Windows	B-Application
98/Me.The	O
last	O
to	O
be	O
built	O
for	O
Solaris	O
10.1.9.12.0	O
Alpha	O
1October	O
5	O
,	O
2008Toolkit	O
transition	O
and	O
major	O
feature	O
work2.0	O
Alpha	O
2December	O
10	O
,	O
2008Toolkit	O
transition	O
and	O
major	O
feature	O
work2.0	O
Alpha	O
3March	O
3	O
,	O
2009Toolkit	O
transition	O
and	O
major	O
feature	O
work2.0	O
Beta	O
1July	O
21	O
,	O
2009Follows	O
Gecko	O
1.9.1.1	O
stable	O
release	O
,	O
major	O
feature	O
work2.0	O
Beta	O
2September	O
12	O
,	O
2009Major	O
feature	O
work2.0	O
RC	O
1October	O
10	O
,	O
2009First	O
release	O
candidate2.0	O
RC	O
2October	O
19	O
,	O
2009Second	O
release	O
candidate2.0October	O
27	O
,	O
2009Official	O
Version	O
2.0	O
release.2.0.1December	O
15	O
,	O
2009Stability	O
improvement	O
and	O
security	O
fixes.2.0.2January	O
11	O
,	O
2010Stability	O
improvement	O
and	O
security	O
fixes.2.0.3February	O
17	O
,	O
2010Stability	O
improvement	O
and	O
security	O
fixes.2.0.4March	O
30	O
,	O
2010Stability	O
improvement	O
and	O
security	O
fixes.2.0.5June	O
22	O
,	O
2010Stability	O
improvement	O
and	O
security	O
fixes.2.0.6July	O
20	O
,	O
2010Stability	O
improvement	O
and	O
security	O
fixes.2.0.7September	O
7	O
,	O
2010Stability	O
improvement	O
and	O
security	O
fixes.2.0.8September	O
15	O
,	O
2010Stability	O
improvements	O
only.2.0.9October	O
20	O
,	O
2010Stability	O
improvement	O
and	O
security	O
fixes.2.0.10October	O
28	O
,	O
2010Security	O
fix.2.0.11December	O
9	O
,	O
2010Stability	O
improvement	O
and	O
security	O
fixes.2.0.12March	O
2	O
,	O
2011Security	O
fix.2.0.13March	O
23	O
,	O
2011Stability	O
improvement	O
and	O
security	O
fixes.2.0.14April	O
28	O
,	O
2011Stability	O
improvement	O
and	O
security	O
fixes	O
.	O
</s>
<s>
This	O
is	O
the	O
last	O
version	O
to	O
support	O
Mac	B-Application
OS	I-Application
X	O
10.4	O
Tiger	O
and	O
PowerPC	O
Macs1.9.32.1	O
Alpha	O
1May	O
18	O
,	O
2010Feature	O
work2.1	O
Alpha	O
2July	O
7	O
,	O
2010New	O
addons	B-Operating_System
manager	O
,	O
Feature	O
work	O
2.02.1	O
Alpha	O
3August	O
24	O
,	O
2010Third	O
alpha	O
release2.1	O
Beta	O
1October	O
20	O
,	O
2010First	O
beta	O
release2.1	O
Beta	O
2February	O
14	O
,	O
2011Second	O
beta	O
release2.1	O
Beta	O
3April	O
7	O
,	O
2011Third	O
beta	O
release2.1	O
RC	O
1May	O
12	O
,	O
2011First	O
release	O
candidate2.1	O
RC	O
2June	O
6	O
,	O
2011Second	O
release	O
candidate2.1June	O
10	O
,	O
2011Official	O
Version	O
2.1	O
release.The	O
last	O
to	O
be	O
built	O
for	O
OS/2.5.02.2	O
Beta	O
1June	O
22	O
,	O
2011First	O
beta	O
release2.2	O
Beta	O
2June	O
28	O
,	O
2011Second	O
beta	O
release2.2	O
Beta	O
3July	O
2	O
,	O
2011Third	O
beta	O
release2.2July	O
7	O
,	O
2011Official	O
Version	O
2.2	O
release.6.02.3	O
Beta	O
1July	O
25	O
,	O
2011First	O
beta	O
release2.3	O
Beta	O
2July	O
31	O
,	O
2011Second	O
beta	O
release2.3	O
Beta	O
3August	O
6	O
,	O
2011Third	O
beta	O
release2.3August	O
16	O
,	O
2011Official	O
Version	O
2.3	O
release.2.3.1August	O
23	O
,	O
2011Official	O
Version	O
2.3.1	O
release	O
.	O
</s>
<s>
Fixed	O
an	O
error	O
with	O
.gov.uk	O
domains.7.02.4	O
Beta	O
1September	O
6/7	O
,	O
2011SeaMonkey	O
developers	B-Application
are	O
located	O
in	O
different	O
time	O
zones	O
and	O
the	O
official	O
release	O
date	O
was	O
written	O
according	O
to	O
different	O
time	O
zones	O
,	O
September	O
6	O
or	O
September	O
7	O
,	O
on	O
different	O
official	O
web	O
pages.First	O
beta	O
release2.4	O
Beta	O
2September	O
12	O
,	O
2011Second	O
beta	O
release2.4	O
Beta	O
3September	O
18	O
,	O
2011Third	O
beta	O
release2.4September	O
27	O
,	O
2011Official	O
Version	O
2.4	O
release.2.4.1September	O
29	O
,	O
2011Official	O
Version	O
2.4.1	O
release.8.02.5	O
Beta	O
1September	O
30	O
,	O
2011First	O
beta	O
release2.5	O
Beta	O
2October	O
7	O
,	O
2011	O
Second	O
beta	O
release2.5	O
Beta	O
3October	O
14	O
,	O
2011	O
Third	O
beta	O
release2.5	O
Beta	O
4November	O
9	O
,	O
2011	O
Fourth	O
beta	O
release2.5November	O
22	O
,	O
2011	O
Official	O
Version	O
2.5	O
release.9.02.6	O
Beta	O
1November	O
23	O
,	O
2011	O
First	O
beta	O
release2.6	O
Beta	O
2December	O
3	O
,	O
2011	O
Second	O
beta	O
release2.6	O
Beta	O
3December	O
9	O
,	O
2011	O
Third	O
beta	O
release2.6	O
Beta	O
4December	O
14	O
,	O
2011	O
Fourth	O
beta	O
release2.6December	O
20	O
,	O
2011	O
Official	O
Version	O
2.6	O
release.2.6.1December	O
22	O
,	O
2011Official	O
Version	O
2.6.1	O
release.10.02.7	O
Beta	O
1December	O
24	O
,	O
2011First	O
beta	O
release2.7	O
Beta	O
2December	O
30	O
,	O
2011Second	O
beta	O
release2.7	O
Beta	O
3January	O
7	O
,	O
2012Third	O
Beta	O
release.2.7	O
Beta	O
4January	O
20	O
,	O
2012Fourth	O
Beta	O
release.2.7	O
Beta	O
5January	O
26	O
,	O
2012Fifth	O
Beta	O
release.2.7January	O
31	O
,	O
2012Official	O
Version	O
2.7	O
release.2.7.1February	O
10	O
,	O
2012Official	O
Version	O
2.7.1	O
release.2.7.2February	O
17	O
,	O
2012Official	O
Version	O
2.7.2	O
release.11.02.8	O
Alpha	O
1December	O
17	O
,	O
2011First	O
Alpha	O
release.2.8	O
Alpha	O
2December	O
18	O
,	O
2011Second	O
Alpha	O
release.2.8	O
Beta	O
1February	O
4	O
,	O
2012First	O
Beta	O
release.2.8	O
Beta	O
2February	O
9	O
,	O
2012Second	O
Beta	O
release.2.8	O
Beta	O
3February	O
18	O
,	O
2012Third	O
Beta	O
release.2.8	O
Beta	O
4February	O
25	O
,	O
2012Fourth	O
Beta	O
release.2.8	O
Beta	O
5March	O
6	O
,	O
2012Fifth	O
Beta	O
release.2.8	O
Beta	O
6March	O
8	O
,	O
2012Sixth	O
Beta	O
release.2.8March	O
13	O
,	O
2012Official	O
Version	O
2.8	O
release.12.02.9	O
Alpha	O
1January	O
20	O
,	O
2012First	O
Alpha	O
release.2.9	O
Beta	O
1March	O
26	O
,	O
2012First	O
Beta	O
release.2.9	O
Beta	O
2March	O
30	O
,	O
2012Second	O
Beta	O
release.2.9	O
Beta	O
3April	O
14	O
,	O
2012Third	O
Beta	O
release.2.9	O
Beta	O
4April	O
19	O
,	O
2012Fourth	O
Beta	O
release.2.9April	O
24	O
,	O
2012Official	O
Version	O
2.9	O
release.2.9.1April	O
30	O
,	O
2012Official	O
Version	O
2.9.1	O
release.This	O
is	O
the	O
last	O
version	O
to	O
support	O
Windows	B-Application
2000.13.02.10	O
Beta	O
1May	O
12	O
,	O
2012First	O
Beta	O
release.2.10	O
Beta	O
2May	O
23	O
,	O
2012Second	O
Beta	O
release.2.10	O
Beta	O
3June	O
1	O
,	O
2012Third	O
Beta	O
release.2.10June	O
6	O
,	O
2012Official	O
Version	O
2.10	O
release.2.10.1June	O
16	O
,	O
2012Official	O
Version	O
2.10.1	O
release.14.02.11	O
Beta	O
1June	O
8	O
,	O
2012First	O
Beta	O
release.2.11	O
Beta	O
2June	O
14	O
,	O
2012Second	O
Beta	O
release.2.11	O
Beta	O
3June	O
23	O
,	O
2012Third	O
Beta	O
release.2.11	O
Beta	O
4July	O
1	O
,	O
2012Fourth	O
Beta	O
release.2.11	O
Beta	O
5July	O
6	O
,	O
2012Fifth	O
Beta	O
release.2.11	O
Beta	O
6July	O
11	O
,	O
2012Sixth	O
Beta	O
release.2.11July	O
17	O
,	O
2012Official	O
Version	O
2.11	O
release.15.02.12	O
Beta	O
1July	O
21	O
,	O
2012First	O
Beta	O
release.2.12	O
Beta	O
2July	O
27	O
,	O
2012Second	O
Beta	O
release.2.12August	O
28	O
,	O
2012Official	O
Version	O
2.12	O
release.2.12.1September	O
10	O
,	O
2012Official	O
Version	O
2.12.1	O
release.16.02.13	O
Beta	O
1September	O
1	O
,	O
2012First	O
Beta	O
release.2.13	O
Beta	O
2September	O
7	O
,	O
2012Second	O
Beta	O
release.2.13	O
Beta	O
3September	O
14	O
,	O
2012Third	O
Beta	O
release.2.13	O
Beta	O
4September	O
23	O
,	O
2012Fourth	O
Beta	O
release.2.13	O
Beta	O
5September	O
29	O
,	O
2012Fifth	O
Beta	O
release.2.13	O
Beta	O
6October	O
5	O
,	O
2012Sixth	O
Beta	O
release.2.13October	O
9	O
,	O
2012Official	O
Version	O
2.13	O
release.2.13.1October	O
12	O
,	O
2012Official	O
Version	O
2.13.1	O
release.2.13.2October	O
27	O
,	O
2012Official	O
Version	O
2.13.2	O
release	O
.	O
</s>
<s>
Last	O
version	O
supported	O
on	O
Mac	B-Application
OS	I-Application
X	O
10.517.02.14	O
beta	O
1October	O
22	O
,	O
2012First	O
beta	O
version.2.14	O
beta	O
2October	O
26	O
,	O
2012Second	O
beta	O
version.2.14	O
beta	O
3November	O
2	O
,	O
2012Third	O
beta	O
version.2.14	O
beta	O
4November	O
9	O
,	O
2012Fourth	O
beta	O
version.2.14	O
beta	O
5November	O
9	O
,	O
2012Fifth	O
beta	O
version.2.14November	O
9	O
,	O
2012Official	O
Version	O
2.14.2.14.1November	O
30	O
,	O
2012Official	O
Version	O
2.14.1.18.02.15	O
beta	O
1November	O
26	O
,	O
2012First	O
beta	O
version.2.15	O
beta	O
2December	O
9	O
,	O
2012Second	O
beta	O
version.2.15	O
beta	O
3December	O
7	O
,	O
2012Third	O
beta	O
version.2.15	O
beta	O
4December	O
14	O
,	O
2012Fourth	O
beta	O
version.2.15	O
beta	O
5December	O
21	O
,	O
2012Fifth	O
beta	O
version.2.15	O
beta	O
6January	O
2	O
,	O
2013Sixth	O
beta	O
version.2.15January	O
8	O
,	O
2013Official	O
Version	O
2.15	O
release.2.15.1January	O
20	O
,	O
2013Official	O
Version	O
2.15.1	O
release.2.15.2February	O
4	O
,	O
2013Official	O
Version	O
2.15.2	O
release.19.02.16	O
beta	O
1January	O
12	O
,	O
2013First	O
beta	O
version.2.16	O
beta	O
2January	O
27	O
,	O
2013Second	O
beta	O
version.2.16	O
Beta	O
3February	O
1	O
,	O
2013Third	O
beta	O
version.2.16	O
Beta	O
4February	O
8	O
,	O
2013Fourth	O
beta	O
version.2.16	O
Beta	O
5February	O
15	O
,	O
2013Fifth	O
beta	O
version.2.16February	O
21	O
,	O
2013Official	O
Version	O
2.16	O
release.2.16.1March	O
8	O
,	O
2013Official	O
Version	O
2.16.1	O
release.2.16.2March	O
13	O
,	O
2013Official	O
Version	O
2.16.2	O
release.20.02.17	O
beta	O
1February	O
26	O
,	O
2013First	O
beta	O
version.2.17	O
beta	O
2March	O
18	O
,	O
2013Second	O
beta	O
version.2.17	O
beta	O
3March	O
24	O
,	O
2013Third	O
beta	O
version.2.17	O
beta	O
4March	O
28	O
,	O
2013Fourth	O
beta	O
version.2.17April	O
2	O
,	O
2013Official	O
Version	O
2.17	O
release.2.17.1April	O
14	O
,	O
2013Official	O
Version	O
2.17.1	O
release.21.02.18	O
Beta	O
1April	O
5	O
,	O
2013First	O
beta	O
version.2.18	O
Beta	O
2April	O
19	O
,	O
2013Second	O
beta	O
version.2.18	O
Beta	O
3April	O
27	O
,	O
2013Third	O
beta	O
version.2.18	O
Beta	O
4May	O
3	O
,	O
2013Fourth	O
beta	O
version.2.18Not	O
releasedOfficial	O
Version	O
2.18	O
has	O
been	O
skipped	O
due	O
to	O
technical	O
problems	O
with	O
the	O
build	O
architecture.22.02.19	O
Beta	O
1June	O
20	O
,	O
2013First	O
beta	O
version.2.19	O
Beta	O
2June	O
26	O
,	O
2013Second	O
beta	O
version.2.19July	O
2	O
,	O
2013Official	O
Version	O
2.19	O
release.23.02.20	O
Beta	O
1July	O
9	O
,	O
2013First	O
beta	O
version.2.20	O
Beta	O
2July	O
23	O
,	O
2013Second	O
beta	O
version.2.20	O
Beta	O
2July	O
30	O
,	O
2013Third	O
beta	O
version.2.20August	O
6	O
,	O
2013Official	O
Version	O
2.20	O
release.24.02.21	O
Beta	O
1September	O
7	O
,	O
2013First	O
beta	O
version.2.21	O
Beta	O
2September	O
11	O
,	O
2013Second	O
beta	O
version.2.21September	O
17	O
,	O
2013Official	O
Version	O
2.21	O
release.25.02.22	O
Beta	O
1October	O
21	O
,	O
2013First	O
beta	O
version.2.22	O
Beta	O
2October	O
25	O
,	O
2013Second	O
beta	O
version.2.22October	O
30	O
,	O
2013Official	O
Version	O
2.22	O
release.2.22.1November	O
18	O
,	O
2013Official	O
Version	O
2.22.1	O
release.26.02.23	O
Beta	O
1December	O
6	O
,	O
2013First	O
beta	O
version.2.23	O
Beta	O
2December	O
8	O
,	O
2013Second	O
beta	O
version.2.23December	O
12	O
,	O
2013Official	O
Version	O
2.23	O
release.27.02.24	O
Beta	O
1February	O
3	O
,	O
2014First	O
beta	O
version.2.24February	O
6	O
,	O
2014Official	O
Version	O
2.24	O
release.28.02.25	O
Beta	O
1February	O
13	O
,	O
2014First	O
beta	O
version.2.25	O
Beta	O
2March	O
9	O
,	O
2014Second	O
beta	O
version.2.25	O
Beta	O
3March	O
14	O
,	O
2014Third	O
beta	O
version.2.25March	O
19	O
,	O
2014Official	O
Version	O
2.25	O
release.29.02.26	O
Beta	O
1April	O
9	O
,	O
2014	O
First	O
beta	O
version.2.26	O
Beta	O
2April	O
18	O
,	O
2014	O
Second	O
beta	O
version.2.26May	O
2	O
,	O
2014	O
Official	O
Version	O
2.26.0	O
release.2.26.1June	O
16	O
,	O
2014	O
Official	O
Version	O
2.26.1	O
release	O
.	O
</s>
<s>
43.02.40March	O
14	O
,	O
2016	O
Official	O
Version	O
2.40	O
release.This	O
is	O
the	O
last	O
version	O
to	O
support	O
CPUs	O
without	O
SSE2	O
under	O
Windows.This	O
is	O
the	O
last	O
version	O
to	O
support	O
Mac	B-Application
OS	I-Application
X	O
10.6-10.8	O
.	O
</s>
<s>
50.02.47Not	O
released	O
Official	O
Version	O
2.47	O
has	O
been	O
skipped	O
in	O
favour	O
of	O
2.46.51.02.48	O
Beta	O
1April	O
15	O
,	O
2017	O
First	O
beta	O
version.2.48July	O
31	O
,	O
2017	O
Official	O
Version	O
2.48	O
release.This	O
is	O
the	O
last	O
version	O
to	O
support	O
GTK2	O
on	O
Linux	B-Application
.	O
</s>
<s>
Built	O
from	O
the	O
same	O
Extended	O
Support	O
Release	O
(	O
ESR	O
)	O
branch	O
as	O
Firefox	B-Application
52	O
ESR	O
and	O
Thunderbird	B-Application
52	O
.	O
</s>
<s>
Built	O
from	O
the	O
same	O
Extended	O
Support	O
Release	O
(	O
ESR	O
)	O
branch	O
as	O
Firefox	B-Application
52	O
ESR	O
and	O
Thunderbird	B-Application
52	O
.	O
</s>
<s>
Built	O
from	O
the	O
same	O
Extended	O
Support	O
Release	O
(	O
ESR	O
)	O
branch	O
as	O
Firefox	B-Application
52	O
ESR	O
and	O
Thunderbird	B-Application
52.52.9.12.49.4July	O
27	O
,	O
2018	O
Official	O
Version	O
2.49.4	O
release	O
.	O
</s>
<s>
Built	O
from	O
the	O
same	O
Extended	O
Support	O
Release	O
(	O
ESR	O
)	O
branch	O
as	O
Firefox	B-Application
52	O
ESR	O
and	O
Thunderbird	B-Application
52.This	O
is	O
the	O
last	O
version	O
to	O
support	O
plugins	O
other	O
than	O
Flash	B-Operating_System
on	O
macOS.2.49.5September	O
4	O
,	O
2019	O
Official	O
Version	O
2.49.5	O
release	O
.	O
</s>
