<s>
Trac	B-Application
is	O
an	O
open-source	B-Application
,	O
web-based	O
project	B-Application
management	I-Application
and	O
bug	B-Application
tracking	I-Application
system	I-Application
.	O
</s>
<s>
It	O
has	O
been	O
adopted	O
by	O
a	O
variety	O
of	O
organizations	O
for	O
use	O
as	O
a	O
bug	B-Application
tracking	I-Application
system	I-Application
for	O
both	O
free	O
and	O
open-source	B-Application
software	I-Application
and	O
proprietary	O
projects	O
and	O
products	O
.	O
</s>
<s>
Trac	B-Application
integrates	O
with	O
major	O
version	B-Architecture
control	I-Architecture
systems	I-Architecture
including	O
(	O
"	B-General_Concept
out	I-General_Concept
of	I-General_Concept
the	I-General_Concept
box	I-General_Concept
"	I-General_Concept
)	O
Subversion	B-Application
and	O
Git	B-Application
.	O
</s>
<s>
Trac	B-Application
is	O
used	O
,	O
among	O
others	O
,	O
by	O
the	O
Internet	O
Research	O
Task	O
Force	O
,	O
Django	B-Language
,	O
FFmpeg	B-Library
,	O
jQuery	B-Language
UI	I-Language
,	O
WebKit	B-Language
,	O
0	B-Application
A.D.	I-Application
,	O
and	O
WordPress	B-Application
.	O
</s>
<s>
Trac	B-Application
is	O
available	O
on	O
all	O
major	O
operating	B-General_Concept
systems	I-General_Concept
including	O
Windows	O
via	O
Installer	O
or	O
Bitnami	B-General_Concept
,	O
OS	B-Operating_System
X	I-Operating_System
via	O
MacPorts	B-Application
or	O
pkgsrc	B-Application
,	O
Debian	O
,	O
Ubuntu	B-Operating_System
,	O
Arch	O
Linux	B-Application
or	O
FreeBSD	B-Operating_System
,	O
as	O
well	O
as	O
on	O
various	O
cloud	B-Architecture
hosting	I-Architecture
services	I-Architecture
.	O
</s>
<s>
Inspired	O
by	O
CVSTrac	O
,	O
Jonas	O
Borgström	O
and	O
Daniel	O
Lundin	O
from	O
Edgewall	O
Software	O
started	O
writing	O
svntrac	B-Application
in	O
August	O
2003	O
using	O
SQLite	B-Language
and	O
Subversion	B-Application
.	O
</s>
<s>
In	O
December	O
2003	O
they	O
renamed	O
it	O
to	O
Trac	B-Application
.	O
</s>
<s>
In	O
February	O
2004	O
the	O
Trac	B-Application
version	O
was	O
changed	O
first	O
from	O
0.0.1	O
to	O
0.1	O
and	O
then	O
directly	O
from	O
0.1	O
to	O
0.5	O
.	O
</s>
<s>
Edgewall	O
Software	O
is	O
an	O
umbrella	O
organization	O
for	O
hosting	O
edgewall.org	O
for	O
the	O
community	O
to	O
collaborate	O
on	O
developing	O
open	O
source	O
Python	B-Language
software	O
.	O
</s>
<s>
Some	O
of	O
the	O
earliest	O
community	O
members	O
to	O
collaborate	O
in	O
the	O
open	O
source	O
development	O
of	O
Trac	B-Application
were	O
Rocky	O
Burt	O
in	O
March	O
2004	O
,	O
Christopher	O
Lenz	O
and	O
Francois	O
Harvey	O
in	O
May	O
2004	O
,	O
Christian	O
Boos	O
and	O
Otavio	O
Salvador	O
in	O
December	O
2004	O
and	O
Mark	O
Rowe	O
March	O
2005	O
.	O
</s>
<s>
In	O
August	O
2005	O
the	O
license	O
was	O
changed	O
from	O
GPL-2.0-or-later	B-License
to	O
BSD-3-Clause	B-Operating_System
.	O
</s>
<s>
The	O
first	O
release	O
under	O
this	O
final	O
license	O
was	O
Trac	B-Application
0.9	O
in	O
October	O
2005	O
,	O
which	O
among	O
other	O
features	O
introduced	O
PostgreSQL	B-Application
database	O
support	O
.	O
</s>
<s>
Trac	B-Application
0.10	O
,	O
released	O
in	O
September	O
2006	O
,	O
was	O
an	O
important	O
release	O
that	O
first	O
introduced	O
the	O
component	O
system	O
that	O
to	O
this	O
day	O
allows	O
plugins	O
to	O
extend	O
and	O
add	O
features	O
to	O
Trac	B-Application
's	O
core	O
.	O
</s>
<s>
Trac	B-Application
itself	O
since	O
this	O
point	O
consists	O
mainly	O
of	O
optional	O
plugin	O
components	O
that	O
can	O
be	O
disabled	O
or	O
replaced	O
entirely	O
.	O
</s>
<s>
MySQL	B-Application
database	O
support	O
is	O
added	O
as	O
one	O
such	O
core	O
component	O
.	O
</s>
<s>
This	O
release	O
added	O
support	O
for	O
version	B-Architecture
control	I-Architecture
systems	I-Architecture
other	O
than	O
Subversion	B-Application
by	O
external	O
plugins	O
.	O
</s>
<s>
Mercurial	B-Protocol
support	O
was	O
provided	O
through	O
a	O
separate	O
plugin	O
due	O
to	O
its	O
GPL	B-License
license	I-License
restrictions	O
.	O
</s>
<s>
Trac	B-Application
0.11	O
,	O
released	O
in	O
June	O
2008	O
,	O
changed	O
the	O
HTML	O
template	B-Application
system	I-Application
from	O
ClearSilver	O
to	O
Genshi	B-Language
,	O
breaking	O
compatibility	O
with	O
many	O
of	O
the	O
older	O
plugins	O
.	O
</s>
<s>
Trac	B-Application
0.12	O
was	O
released	O
in	O
June	O
2010	O
and	O
became	O
a	O
stable	O
long	O
term	O
release	O
with	O
the	O
latest	O
point	O
release	O
0.12.7	O
from	O
July	O
2015	O
.	O
</s>
<s>
It	O
added	O
internationalization	B-General_Concept
and	I-General_Concept
localization	I-General_Concept
support	O
using	O
Babel	O
,	O
and	O
allows	O
using	O
multiple	O
version	B-Architecture
control	I-Architecture
repositories	O
at	O
once	O
.	O
</s>
<s>
Trac	B-Application
1.0	O
was	O
released	O
in	O
September	O
2012	O
,	O
the	O
previous	O
stable	O
long	O
term	O
supported	O
version	O
with	O
the	O
latest	O
point	O
release	O
1.0.13	O
from	O
September	O
2016	O
.	O
</s>
<s>
It	O
included	O
the	O
previously	O
external	O
plugin	O
for	O
Git	B-Application
version	B-Architecture
control	I-Architecture
support	O
.	O
</s>
<s>
Trac	B-Application
1.1.1	O
from	O
February	O
2013	O
through	O
1.1.6	O
from	O
July	O
2015	O
are	O
releases	O
without	O
long	O
term	O
support	O
and	O
compatibility	O
guarantees	O
,	O
that	O
turned	O
into	O
Trac	B-Application
1.2	O
from	O
November	O
2016	O
.	O
</s>
<s>
Trac	B-Application
1.4	O
from	O
August	O
2019	O
is	O
the	O
current	O
stable	O
release	O
with	O
long	O
term	O
support	O
.	O
</s>
<s>
It	O
requires	O
Python	B-Language
2.7	O
and	O
uses	O
the	O
Jinja	B-Language
template	B-Application
system	I-Application
.	O
</s>
<s>
Trac	B-Application
1.6	O
is	O
under	O
active	O
development	O
,	O
which	O
works	O
exclusively	O
on	O
Python3	B-Language
.	O
</s>
<s>
Many	O
of	O
the	O
plugins	O
have	O
also	O
been	O
rewritten	O
to	O
work	O
on	O
Python3	B-Language
as	O
well	O
as	O
Jinja	B-Language
.	O
</s>
<s>
Trac	B-Application
offers	O
a	O
no-frills	O
approach	O
to	O
project	B-Application
management	I-Application
by	O
deeply	O
integrating	O
ticket	B-Application
tracking	I-Application
,	O
version	B-Architecture
control	I-Architecture
(	O
for	O
which	O
multiple	O
repositories	O
per	O
environment	O
are	O
supported	O
)	O
,	O
and	O
wiki	B-Protocol
.	O
</s>
<s>
It	O
allows	O
hyperlinking	O
information	O
between	O
these	O
systems	O
,	O
include	O
wiki	B-Protocol
content	O
directly	O
in	O
a	O
ticket	B-Application
or	O
list	O
tickets	B-Application
automatically	O
on	O
wiki	B-Protocol
pages	O
.	O
</s>
<s>
The	O
ticket	B-Application
system	O
can	O
be	O
used	O
for	O
tracking	O
bugs	O
,	O
tasks	O
,	O
issues	O
,	O
incidents	O
or	O
any	O
other	O
kind	O
of	O
ticket	B-Application
.	O
</s>
<s>
Customized	O
reports	O
can	O
be	O
generated	O
from	O
parametric	O
stored	O
SQL	B-Language
queries	O
or	O
using	O
an	O
interactive	O
ticket	B-Application
query	O
system	O
.	O
</s>
<s>
Additional	O
project	B-Application
management	I-Application
features	O
include	O
grouping	O
tickets	B-Application
into	O
milestones	O
and	O
a	O
roadmap	O
where	O
the	O
milestones	O
and	O
their	O
progress	O
are	O
listed	O
and	O
visualized	O
.	O
</s>
<s>
Trac	B-Application
has	O
an	O
extensive	O
plugin	O
ecosystem	O
which	O
offers	O
many	O
optional	O
features	O
and	O
integration	O
with	O
external	O
tools	O
,	O
and	O
keeps	O
the	O
core	O
system	O
simple	O
and	O
easy	O
to	O
use	O
.	O
</s>
<s>
Besides	O
the	O
core	O
SVN	B-Application
and	O
Git	B-Application
support	O
,	O
Trac	B-Application
can	O
connect	O
via	O
plugins	O
to	O
many	O
other	O
version	B-Architecture
control	I-Architecture
systems	I-Architecture
,	O
including	O
:	O
</s>
