<s>
Fractal	B-Language
is	O
an	O
instant	B-Application
messaging	I-Application
client	O
and	O
collaboration	O
software	O
for	O
the	O
GNOME	B-Application
desktop	I-Application
based	O
on	O
the	O
Matrix	B-Protocol
protocol	I-Protocol
.	O
</s>
<s>
It	O
is	O
free	B-Application
software	I-Application
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
version	O
3	O
.	O
</s>
<s>
Fractal	B-Language
can	O
be	O
installed	O
on	O
various	O
Linux	B-Application
distributions	I-Application
via	O
Flathub	B-Language
,	O
which	O
is	O
the	O
recommended	O
installation	O
method	O
,	O
although	O
some	O
distributions	O
provide	O
packages	O
through	O
their	O
official	O
repositories	O
.	O
</s>
<s>
Fractal	B-Language
integrates	O
well	O
into	O
the	O
GNOME	B-Application
desktop	I-Application
with	O
a	O
clean	O
and	O
easy-to-use	O
user	O
interface	O
design	O
that	O
is	O
optimized	O
for	O
collaboration	O
in	O
big	O
groups	O
.	O
</s>
<s>
The	O
functionality	O
was	O
still	O
limited	O
in	O
early	O
releases	O
from	O
spring	O
2018	O
,	O
when	O
features	O
such	O
as	O
video	B-Application
chat	I-Application
and	O
end-to-end	O
encryption	O
were	O
missing	O
.	O
</s>
<s>
The	O
user	O
interface	O
targets	O
both	O
smartphones	B-Application
and	O
desktop	B-Device
systems	I-Device
and	O
adapts	B-Application
to	O
different	O
screen	O
sizes	O
and	O
formats	O
.	O
</s>
<s>
Fractal	B-Language
is	O
written	O
in	O
Rust	B-Application
and	O
has	O
a	O
graphical	O
user	O
interface	O
that	O
,	O
like	O
software	O
for	O
GNOME	B-Application
,	O
is	O
based	O
on	O
the	O
GTK	B-Application
widget	O
toolkit	O
.	O
</s>
<s>
For	O
the	O
adaptive	B-Application
user	I-Application
interface	I-Application
,	O
it	O
uses	O
a	O
software	O
library	O
called	O
libhandy	O
that	O
is	O
developed	O
by	O
the	O
computer	O
manufacturer	O
Purism	O
.	O
</s>
<s>
The	O
functionality	O
is	O
to	O
be	O
split	O
into	O
separate	O
frontends	B-Architecture
for	O
mass	O
chat	B-Protocol
and	O
personal	O
instant	B-Application
messaging	I-Application
using	O
a	O
common	O
backend	B-Architecture
,	O
tentatively	O
called	O
Discussions	O
and	O
Messages	O
,	O
respectively	O
.	O
</s>
<s>
The	O
first	O
code	O
was	O
committed	O
to	O
Fest	O
(	O
formerly	O
known	O
as	O
ruma-gtk	O
)	O
on	O
December	O
29	O
,	O
2016	O
,	O
from	O
which	O
the	O
Fractal	B-Language
codebase	O
was	O
forked	B-Application
by	O
Daniel	O
García	O
Moreno	O
in	O
August	O
2017	O
.	O
</s>
<s>
With	O
GNOME	B-Application
version	O
3.30	O
of	O
September	O
5	O
,	O
2018	O
,	O
it	O
reached	O
release	O
status	O
.	O
</s>
<s>
Over	O
that	O
summer	O
,	O
two	O
students	O
worked	O
on	O
Fractal	B-Language
,	O
which	O
was	O
sponsored	O
as	O
part	O
of	O
the	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
program	O
,	O
including	O
the	O
development	O
of	O
localization	B-General_Concept
and	O
spell-checking	B-Application
support	O
.	O
</s>
<s>
Computer	O
manufacturer	O
Purism	O
is	O
working	O
to	O
integrate	O
it	O
into	O
the	O
crowd-funded	O
Linux	O
smartphone	B-Application
Librem	B-Application
5	I-Application
,	O
scheduled	O
for	O
market	O
release	O
in	O
"	O
Q4	O
2019	O
"	O
.	O
</s>
<s>
Purism	O
is	O
therefore	O
sponsoring	O
the	O
development	O
of	O
some	O
features	O
such	O
as	O
support	O
for	O
Matrix	B-Protocol
 '	O
end-to-end	O
encryption	O
(	O
E2EE	O
)	O
that	O
was	O
standardized	O
in	O
2018	O
.	O
</s>
