<s>
Photos	O
is	O
a	O
photo	B-Application
management	I-Application
and	O
editing	B-Application
application	O
developed	O
by	O
Apple	O
.	O
</s>
<s>
It	O
was	O
released	O
as	O
a	O
bundled	O
app	O
in	O
iOS	B-Operating_System
8	I-Operating_System
on	O
September	O
17	O
,	O
2014	O
—	O
replacing	O
the	O
Camera	O
Roll	O
—	O
and	O
released	O
as	O
a	O
bundled	O
app	O
to	O
OS	B-Device
X	I-Device
Yosemite	I-Device
users	O
in	O
the	O
10.10.3	O
update	O
on	O
April	O
8	O
,	O
2015	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
tvOS	B-Operating_System
10	I-Operating_System
on	O
September	O
13	O
,	O
2016	O
.	O
</s>
<s>
In	O
June	O
2014	O
,	O
Apple	O
announced	O
its	O
plan	O
to	O
discontinue	O
the	O
applications	O
iPhoto	B-Operating_System
and	O
Aperture	B-Operating_System
,	O
to	O
be	O
replaced	O
by	O
a	O
new	O
application	O
,	O
Photos	O
,	O
at	O
some	O
point	O
in	O
2015	O
.	O
</s>
<s>
Photos	O
was	O
included	O
with	O
OS	B-Device
X	I-Device
Yosemite	I-Device
10.10.3	O
,	O
released	O
as	O
a	O
free	O
update	O
to	O
users	O
on	O
April	O
8	O
,	O
2015	O
.	O
</s>
<s>
On	O
September	O
13	O
,	O
2016	O
,	O
the	O
app	O
was	O
later	O
included	O
in	O
tvOS	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
Photos	O
is	O
intended	O
to	O
be	O
less	O
complex	O
than	O
its	O
professional	O
predecessor	O
,	O
Aperture	B-Operating_System
.	O
</s>
<s>
Through	O
version	O
4.0	O
(	O
released	O
with	O
macOS	B-Device
10.14	I-Device
Mojave	I-Device
)	O
the	O
Photos	O
app	O
organized	O
photos	O
by	O
"	O
moment	O
"	O
,	O
as	O
determined	O
using	O
combination	O
of	O
the	O
time	O
and	O
location	O
metadata	O
attached	O
to	O
the	O
photo	O
.	O
</s>
<s>
Starting	O
in	O
version	O
5.0	O
(	O
released	O
in	O
2019	O
with	O
macOS	B-Device
10.15	I-Device
Catalina	I-Device
)	O
,	O
photos	O
can	O
instead	O
be	O
browsed	O
by	O
year	O
,	O
month	O
,	O
or	O
day	O
.	O
</s>
<s>
Photos	O
includes	O
robust	O
editing	B-Application
functions	O
that	O
are	O
utilized	O
with	O
simple	O
controls	O
,	O
such	O
as	O
a	O
one-click	O
auto-enhance	O
button	O
.	O
</s>
<s>
iCloud	B-Application
Photo	O
Library	O
is	O
heavily	O
integrated	O
into	O
the	O
program	O
,	O
keeping	O
photos	O
and	O
videos	O
in	O
sync	O
with	O
various	O
Apple	O
devices	O
designated	O
by	O
the	O
user	O
(	O
such	O
as	O
Macs	B-Device
,	O
iPhones	B-Device
,	O
and	O
iPads	B-Device
)	O
,	O
including	O
edits	O
and	O
album	O
structures	O
.	O
</s>
<s>
While	O
iCloud	B-Application
integration	O
is	O
still	O
optional	O
,	O
it	O
is	O
much	O
more	O
central	O
to	O
Photos	O
as	O
compared	O
to	O
iPhoto	B-Operating_System
.	O
</s>
<s>
iCloud	B-Application
Photo	O
Sharing	O
allows	O
sharing	O
photos	O
with	O
others	O
.	O
</s>
<s>
Customers	O
who	O
had	O
been	O
using	O
the	O
Aperture	B-Operating_System
application	O
,	O
abandoned	O
by	O
Apple	O
on	O
the	O
release	O
of	O
Photos	O
,	O
were	O
particularly	O
angry	O
about	O
loss	O
of	O
professional-standard	O
functionality	O
.	O
</s>
<s>
Apple	O
customers	O
who	O
upgraded	O
to	O
OSX10.11	O
El	O
Capitan	O
,	O
which	O
was	O
launched	O
in	O
2015	O
,	O
found	O
that	O
if	O
they	O
had	O
not	O
first	O
obtained	O
the	O
most	O
recent	O
version	O
of	O
iPhoto	B-Operating_System
before	O
upgrading	O
,	O
they	O
were	O
locked	O
out	O
of	O
the	O
application	O
without	O
warning	O
.	O
</s>
<s>
Since	O
iPhoto	B-Operating_System
had	O
been	O
removed	O
from	O
the	O
Mac	O
App	O
Store	O
,	O
they	O
had	O
no	O
alternative	O
but	O
to	O
use	O
Photos	O
.	O
</s>
