<s>
Mer	B-Application
was	O
a	O
free	B-License
and	I-License
open-source	I-License
software	I-License
distribution	O
,	O
targeted	O
at	O
hardware	O
vendors	O
to	O
serve	O
as	O
a	O
middleware	B-General_Concept
for	O
Linux	O
kernel-based	O
mobile-oriented	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
It	O
is	O
a	O
fork	B-Application
of	O
MeeGo	B-Operating_System
.	O
</s>
<s>
Mer	B-Application
is	O
not	O
an	O
operating	B-General_Concept
system	I-General_Concept
;	O
it	O
is	O
aimed	O
to	O
be	O
one	O
component	O
of	O
an	O
operating	B-General_Concept
system	I-General_Concept
based	O
on	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
.	O
</s>
<s>
Mer	B-Application
is	O
a	O
part	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
above	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
and	O
below	O
the	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
.	O
</s>
<s>
Mer	B-Application
just	O
provides	O
the	O
equivalent	O
of	O
the	O
MeeGo	B-Operating_System
core	O
.	O
</s>
<s>
The	O
former	O
MeeGo	B-Operating_System
user	O
interfaces	O
and	O
hardware	O
adaptation	O
are	O
to	O
be	O
done	O
by	O
various	O
other	O
projects	O
and	O
by	O
hardware	O
manufacturers	O
,	O
which	O
will	O
be	O
able	O
to	O
build	O
their	O
products	O
on	O
top	O
of	O
the	O
Mer	B-Application
core	O
.	O
</s>
<s>
There	O
is	O
support	O
for	O
systemd	B-Application
,	O
Wayland	B-Language
,	O
Hybris	B-Application
,	O
and	O
other	O
current	O
FOSS	B-License
software	O
.	O
</s>
<s>
Zephyr	O
is	O
an	O
attempt	O
at	O
creating	O
a	O
stack	O
for	O
use	O
by	O
other	O
projects	O
to	O
be	O
exploring	O
lightweight	O
,	O
high-performance	O
,	O
next-generation	O
UIs	O
based	O
on	O
Mer	B-Application
,	O
Qt5	O
,	O
QML	B-Language
Compositor	O
and	O
Wayland	B-Language
.	O
</s>
<s>
Weston	B-Application
1.3	O
,	O
which	O
was	O
released	O
on	O
11	O
October	O
2013	O
,	O
supports	O
libhybris	B-Application
,	O
making	O
it	O
possible	O
to	O
use	O
Android	B-Application
device	O
drivers	O
with	O
Wayland	B-Language
.	O
</s>
<s>
Mer	B-Application
can	O
be	O
compiled	O
for	O
a	O
number	O
of	O
instruction	B-General_Concept
sets	I-General_Concept
such	O
as	O
x86	B-Operating_System
,	O
ARM	B-Architecture
or	O
MIPS	B-Device
.	O
</s>
<s>
There	O
are	O
Mer-based	O
builds	O
available	O
for	O
various	O
devices	O
,	O
including	O
Raspberry	B-Operating_System
Pi	I-Operating_System
,	O
Beagleboard	B-Application
,	O
Nokia	B-Application
N900	I-Application
,	O
Nokia	B-Language
N950	I-Language
,	O
Nokia	B-Operating_System
N9	I-Operating_System
and	O
for	O
various	O
Intel	O
Atom-based	O
tablets	O
.	O
</s>
<s>
These	O
also	O
include	O
hardware	O
adaptation	O
packages	O
and	O
various	O
UXes	O
running	O
on	O
top	O
of	O
Mer	B-Application
,	O
provided	O
by	O
different	O
projects	O
.	O
</s>
<s>
Mer	B-Application
uses	O
Open	B-Application
Build	I-Application
Service	I-Application
:	O
but	O
with	O
:	O
</s>
<s>
Mer	B-Application
was	O
used	O
as	O
a	O
reference	O
platform	O
for	O
KDE	B-Application
's	I-Application
Plasma	O
Active	O
.	O
</s>
<s>
Based	O
on	O
the	O
Allwinner	O
A20	O
SoC	B-Architecture
,	O
it	O
would	O
have	O
a	O
7	O
"	O
multitouch	O
display	O
,	O
run	O
the	O
Plasma	O
Active	O
user	O
interface	O
on	O
top	O
of	O
Mer	B-Application
,	O
and	O
have	O
a	O
target	O
price	O
of	O
about	O
€200	O
.	O
</s>
<s>
The	O
project	O
encountered	O
some	O
problems	O
when	O
its	O
hardware	O
partner	O
in	O
China	O
completely	O
changed	O
the	O
internal	O
components	O
and	O
was	O
reluctant	O
to	O
release	O
the	O
kernel	B-Operating_System
source	O
for	O
the	O
new	O
hardware	O
.	O
</s>
<s>
As	O
a	O
kind	O
of	O
side	O
project	O
Improv-computer	O
was	O
targeted	O
for	O
developers	O
and	O
was	O
to	O
be	O
released	O
in	O
January	O
2014	O
,	O
Mer	B-Application
preinstalled	O
.	O
</s>
<s>
Parallel	O
to	O
Sailfish	B-Operating_System
OS	I-Operating_System
by	O
Jolla	B-Operating_System
,	O
Nemo	O
Mobile	O
is	O
a	O
community-driven	O
operating	B-General_Concept
system	I-General_Concept
based	O
on	O
a	O
Linux	B-Operating_System
kernel	I-Operating_System
,	O
Mer	B-Application
,	O
a	O
GUI	B-Application
and	O
diverse	O
applications	O
.	O
</s>
<s>
Since	O
2019	O
,	O
Nemo	O
Mobile	O
is	O
no	O
longer	O
using	O
Mer	B-Application
Project	I-Application
as	O
a	O
base	O
but	O
switched	O
to	O
Manjaro	B-Application
Linux	I-Application
.	O
</s>
<s>
The	O
main	O
reason	O
for	O
the	O
move	O
was	O
obsolete	O
components	O
,	O
like	O
Qt	B-Language
version	O
5.6	O
due	O
to	O
licensing	O
restrictions	O
.	O
</s>
<s>
In	O
July	O
2012	O
Jolla	B-Operating_System
,	O
a	O
Finnish	O
company	O
founded	O
by	O
former	O
Nokia	O
employees	O
involved	O
in	O
MeeGo	B-Operating_System
development	O
,	O
announced	O
their	O
work	O
on	O
a	O
new	O
operating	B-General_Concept
system	I-General_Concept
called	O
Sailfish	B-Operating_System
OS	I-Operating_System
,	O
which	O
is	O
based	O
on	O
MeeGo	B-Operating_System
and	O
Mer	B-Application
's	O
core	O
with	O
added	O
proprietary	O
GUI	B-Application
and	O
hardware	O
implementation	O
layers	O
.	O
</s>
<s>
smartphone	O
using	O
Sailfish	O
in	O
2013	O
,	O
simply	O
called	O
Jolla	B-Operating_System
.	O
</s>
<s>
In	O
October	O
2014	O
Jolla	B-Operating_System
announced	O
for	O
May	O
2015	O
the	O
Jolla	B-Operating_System
Tablet	O
with	O
Sailfish	B-Operating_System
OS	I-Operating_System
2.0	I-Operating_System
which	O
is	O
to	O
be	O
64-bit	O
on	O
quadcore	B-Architecture
Intel	O
CPU	B-General_Concept
.	O
</s>
<s>
The	O
company	O
's	O
president	O
Shi	O
Wenyong	O
called	O
the	O
OS	O
"	O
China	O
's	O
own	O
smartphone	O
OS	O
"	O
,	O
to	O
be	O
on	O
par	O
with	O
Android	B-Application
and	O
Apple	O
iOS	O
.	O
</s>
<s>
Mr.	O
Shi	O
explained	O
to	O
a	O
reporter	O
that	O
Yuanxi	O
OS	O
is	O
based	O
on	O
the	O
Mer	B-Application
distribution	O
.	O
</s>
<s>
Mer	B-Application
's	O
initial	O
aim	O
to	O
provide	O
a	O
completely	O
free	O
alternative	O
to	O
the	O
Maemo	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
,	O
which	O
was	O
able	O
to	O
run	O
on	O
Nokia	B-Device
Internet	I-Device
Tablets	I-Device
such	O
as	O
the	O
N800	B-Application
and	O
N810	B-Language
(	O
collectively	O
known	O
as	O
the	O
N8x0	O
devices	O
)	O
.	O
</s>
<s>
It	O
was	O
based	O
on	O
Ubuntu	B-Operating_System
9.04	O
,	O
and	O
with	O
the	O
release	O
of	O
Maemo	B-Operating_System
5/Fremantle	O
,	O
a	O
new	O
goal	O
emerged	O
:	O
"	O
[	O
To	O
bring ]	O
as	O
much	O
of	O
Fremantle	O
as	O
we	O
can	O
get	O
on	O
the	O
N8x0.	O
"	O
</s>
<s>
Mer	B-Application
suspended	O
development	O
at	O
release	O
0.17	O
,	O
since	O
focus	O
had	O
switched	O
to	O
building	O
MeeGo	B-Operating_System
for	O
the	O
N800	B-Application
and	O
N810	B-Language
devices	O
.	O
</s>
<s>
By	O
then	O
,	O
MeeGo	B-Operating_System
was	O
available	O
and	O
supported	O
by	O
a	O
much	O
wider	O
community	O
.	O
</s>
<s>
The	O
development	O
was	O
silently	O
resumed	O
during	O
the	O
summer	O
of	O
2011	O
by	O
a	O
handful	O
of	O
MeeGo	B-Operating_System
developers	O
(	O
some	O
of	O
them	O
previously	O
active	O
in	O
the	O
Mer	B-Application
project	I-Application
)	O
,	O
after	O
Nokia	O
changed	O
its	O
strategy	O
in	O
February	O
2011	O
.	O
</s>
<s>
These	O
developers	O
were	O
not	O
satisfied	O
with	O
the	O
way	O
MeeGo	B-Operating_System
had	O
been	O
governed	O
behind	O
closed	O
doors	O
especially	O
after	O
Nokia	O
departed	O
,	O
and	O
they	O
were	O
also	O
concerned	O
that	O
MeeGo	B-Operating_System
heavily	O
depended	O
on	O
big	O
companies	O
which	O
could	O
stop	O
supporting	O
it	O
,	O
as	O
was	O
the	O
case	O
when	O
Nokia	O
abandoned	O
MeeGo	B-Operating_System
as	O
part	O
of	O
its	O
new	O
strategy	O
.	O
</s>
<s>
This	O
was	O
again	O
proven	O
to	O
be	O
a	O
problem	O
after	O
Intel	O
,	O
Samsung	B-Application
and	O
the	B-Operating_System
Linux	I-Operating_System
Foundation	I-Operating_System
announced	O
they	O
were	O
going	O
to	O
create	O
a	O
new	O
operating	B-General_Concept
system	I-General_Concept
called	O
Tizen	B-Application
.	O
</s>
<s>
This	O
new	O
OS	O
began	O
focusing	O
on	O
HTML5	B-Application
and	O
using	O
the	O
Enlightenment	B-Library
Foundation	I-Library
Libraries	I-Library
(	O
EFL	O
)	O
instead	O
of	O
Qt	B-Language
for	O
native	O
applications	O
.	O
</s>
<s>
However	O
,	O
on	O
May	O
14	O
,	O
2014	O
it	O
was	O
announced	O
that	O
Tizen:Common	O
would	O
be	O
bringing	O
Qt	B-Language
back	O
by	O
starting	O
to	O
ship	O
with	O
it	O
integrated	O
.	O
</s>
<s>
After	O
the	O
Tizen	B-Application
project	O
was	O
announced	O
,	O
the	O
revival	O
of	O
the	O
Mer	B-Application
project	I-Application
was	O
announced	O
on	O
the	O
MeeGo	B-Operating_System
mailing	O
list	O
,	O
with	O
the	O
promise	O
that	O
it	O
would	O
be	O
developed	O
and	O
governed	O
completely	O
in	O
the	O
open	O
as	O
a	O
meritocracy	O
,	O
unlike	O
MeeGo	B-Operating_System
and	O
Tizen	B-Application
.	O
</s>
<s>
It	O
would	O
also	O
be	O
based	O
on	O
the	O
MeeGo	B-Operating_System
code	O
base	O
and	O
tools	O
,	O
aiming	O
to	O
provide	O
just	O
the	O
equivalent	O
of	O
the	O
MeeGo	B-Operating_System
core	O
with	O
no	O
default	O
UI	O
.	O
</s>
<s>
The	O
APIs	O
for	O
third	O
party	O
application	O
development	O
are	O
included	O
,	O
meaning	O
that	O
Qt	B-Language
,	O
EFL	O
,	O
and	O
HTML5	B-Application
would	O
be	O
supported	O
on	O
the	O
platform	O
,	O
and	O
maybe	O
even	O
others	O
if	O
widely	O
requested	O
.	O
</s>
<s>
The	O
project	O
quickly	O
started	O
to	O
gain	O
traction	O
among	O
many	O
open	B-Application
source	I-Application
developers	O
who	O
had	O
been	O
involved	O
in	O
MeeGo	B-Operating_System
,	O
and	O
it	O
started	O
being	O
used	O
by	O
former	O
MeeGo	B-Operating_System
projects	O
,	O
such	O
as	O
the	O
reference	O
handset	O
UX	O
,	O
now	O
rebased	O
on	O
top	O
of	O
Mer	B-Application
and	O
called	O
Nemo	O
Mobile	O
,	O
and	O
a	O
couple	O
of	O
projects	O
targeting	O
tablet	O
UXes	O
such	O
as	O
Cordia	O
(	O
a	O
reimplementation	O
of	O
the	O
Maemo	B-Operating_System
5	O
Hildon	O
UX	O
)	O
and	O
Plasma	O
Active	O
emerged	O
on	O
top	O
of	O
Mer	B-Application
.	O
</s>
<s>
Equivalent	O
Mer-based	O
project	O
of	O
the	O
former	O
MeeGo	B-Operating_System
IVI	O
and	O
Smart	B-Device
TV	I-Device
UXes	O
are	O
not	O
yet	O
known	O
to	O
exist	O
.	O
</s>
<s>
The	O
aim	O
of	O
the	O
Mer	B-Application
community	O
is	O
to	O
create	O
,	O
in	O
a	O
solid	O
way	O
,	O
what	O
had	O
been	O
unable	O
to	O
be	O
done	O
with	O
MeeGo	B-Operating_System
;	O
Mer	B-Application
is	O
to	O
become	O
what	O
MeeGo	B-Operating_System
was	O
expected	O
to	O
be	O
but	O
has	O
not	O
become	O
.	O
</s>
<s>
Mer	B-Application
aims	O
to	O
become	O
the	O
MeeGo	B-Operating_System
2.0	O
when	O
the	B-Operating_System
Linux	I-Operating_System
Foundation	I-Operating_System
finds	O
that	O
it	O
complies	O
with	O
all	O
of	O
the	O
MeeGo	B-Operating_System
requirements	O
.	O
</s>
<s>
In	O
early	O
2019	O
it	O
was	O
announced	O
that	O
they	O
would	O
unify	O
Mer	B-Application
and	O
Sailfish	O
operations	O
under	O
one	O
brand	O
,	O
called	O
Sailfish	B-Operating_System
OS	I-Operating_System
,	O
discontinuing	O
use	O
of	O
the	O
name	O
Mer	B-Application
.	O
</s>
