<s>
.NET	B-Application
(	O
pronounced	O
as	O
"	O
dot	O
net	O
"	O
;	O
formerly	O
named	O
.NET	B-Application
Core	I-Application
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
,	O
managed	O
computer	O
software	B-Architecture
framework	I-Architecture
for	O
Windows	B-Application
,	O
Linux	B-Application
,	O
and	O
macOS	B-Application
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
It	O
is	O
a	O
cross-platform	B-Operating_System
successor	O
to	O
.NET	B-Application
Framework	I-Application
.	O
</s>
<s>
The	O
project	O
is	O
mainly	O
developed	O
by	O
Microsoft	O
employees	O
by	O
way	O
of	O
the	O
.NET	B-Application
Foundation	O
,	O
and	O
released	O
under	O
an	O
MIT	B-License
License	I-License
.	O
</s>
<s>
.NET	B-Application
MAUI	I-Application
also	O
supports	O
Android	B-Application
and	O
iOS	B-Application
(	O
also	O
with	O
.NET	B-Application
6	I-Application
)	O
,	O
i.e.	O
,	O
.NET	B-Application
Multi-platform	B-Operating_System
App	O
UI	O
(	O
.NET	B-Application
MAUI	I-Application
)	O
is	O
a	O
cross-platform	B-Operating_System
framework	O
for	O
creating	O
native	O
mobile	O
and	O
desktop	O
apps	O
with	O
C#	B-Application
and	O
Extensible	B-Device
Application	I-Device
Markup	I-Device
Language	I-Device
(	O
XAML	B-Device
)	O
.	O
</s>
<s>
.NET	B-Application
7	I-Application
(	O
released	O
in	O
2022	O
,	O
.NET	B-Application
6	I-Application
LTS	O
is	O
the	O
only	O
other	O
currently	O
supported	O
release	O
)	O
is	O
for	O
many	O
features	O
fully	O
compatible	O
,	O
but	O
Microsoft	O
has	O
a	O
long	O
list	O
on	O
incompatible	O
changes	O
,	O
often	O
individual	O
features	O
are	O
no	O
longer	O
binary	B-General_Concept
compatible	I-General_Concept
while	O
source	B-General_Concept
compatibility	I-General_Concept
is	O
retained	O
,	O
in	O
some	O
cases	O
vice	O
versa	O
,	O
and	O
in	O
rare	O
cases	O
neither	O
.	O
</s>
<s>
On	O
November	O
12	O
,	O
2014	O
,	O
Microsoft	O
announced	O
.NET	B-Application
Core	I-Application
,	O
in	O
an	O
effort	O
to	O
include	O
cross-platform	B-Operating_System
support	O
for	O
.NET	B-Application
,	O
including	O
Linux	B-Application
and	O
macOS	B-Application
,	O
source	O
for	O
the	O
.NET	B-Application
Core	I-Application
CoreCLR	O
implementation	O
,	O
source	O
for	O
the	O
"	O
entire	O
 [ ... ] 	O
library	B-Library
stack	O
"	O
for	O
.NET	B-Application
Core	I-Application
,	O
and	O
the	O
adoption	O
of	O
a	O
conventional	O
(	O
"	O
bazaar	O
"	O
-like	O
)	O
open-source	O
development	O
model	O
under	O
the	O
stewardship	O
of	O
the	O
.NET	B-Application
Foundation	O
.	O
</s>
<s>
Miguel	O
de	O
Icaza	O
describes	O
.NET	B-Application
Core	I-Application
as	O
a	O
"	O
redesigned	O
version	O
of	O
.NET	B-Application
that	O
is	O
based	O
on	O
the	O
simplified	O
version	O
of	O
the	O
class	O
libraries	O
"	O
,	O
and	O
Microsoft	O
's	O
Immo	O
Landwerth	O
explained	O
that	O
.NET	B-Application
Core	I-Application
would	O
be	O
"	O
the	O
foundation	O
of	O
all	O
future	O
.NET	B-Application
platforms	I-Application
"	O
.	O
</s>
<s>
At	O
the	O
time	O
of	O
the	O
announcement	O
,	O
the	O
initial	O
release	O
of	O
the	O
.NET	B-Application
Core	I-Application
project	O
had	O
been	O
seeded	O
with	O
a	O
subset	O
of	O
the	O
libraries	O
 '	O
source	O
code	O
and	O
coincided	O
with	O
the	O
relicensing	O
of	O
Microsoft	O
's	O
existing	O
.NET	B-Application
reference	O
source	O
away	O
from	O
the	O
restrictions	O
of	O
the	O
Ms-RSL	B-License
.	O
</s>
<s>
Landwerth	O
acknowledged	O
the	O
disadvantages	O
of	O
the	O
formerly	O
selected	O
shared	O
license	O
,	O
explaining	O
that	O
it	O
made	O
codename	B-Application
Rotor	I-Application
"	O
a	O
non-starter	O
"	O
as	O
a	O
community-developed	O
open	O
source	O
project	O
because	O
it	O
did	O
not	O
meet	O
the	O
criteria	O
of	O
an	O
Open	O
Source	O
Initiative	O
(	O
OSI	O
)	O
approved	O
license	O
.	O
</s>
<s>
1.0	O
was	O
released	O
on	O
June	O
27	O
,	O
2016	O
,	O
along	O
with	O
Microsoft	B-Application
Visual	I-Application
Studio	I-Application
2015	O
Update	O
3	O
,	O
which	O
enables	O
.NET	B-Application
Core	I-Application
development	O
.	O
</s>
<s>
1.0.4	O
and	O
.NET	B-Application
Core	I-Application
1.1.1	O
were	O
released	O
along	O
with	O
.NET	B-Application
Core	I-Application
Tools	O
1.0	O
and	O
Visual	B-Application
Studio	I-Application
2017	O
on	O
March	O
7	O
,	O
2017	O
.	O
</s>
<s>
.NET	B-Application
Core	I-Application
2.0	I-Application
was	O
released	O
on	O
August	O
14	O
,	O
2017	O
,	O
along	O
with	O
Visual	B-Application
Studio	I-Application
2017	O
15.3	O
,	O
ASP.NET	B-Application
Core	I-Application
2.0	O
,	O
and	O
Entity	B-Application
Framework	I-Application
Core	I-Application
2.0	O
.	O
</s>
<s>
.NET	B-Application
Core	I-Application
3	I-Application
was	O
released	O
on	O
September	O
23	O
,	O
2019	O
.	O
</s>
<s>
.NET	B-Application
Core	I-Application
3	I-Application
adds	O
support	O
for	O
Windows	B-Application
desktop	O
application	O
development	O
and	O
significant	O
performance	O
improvements	O
throughout	O
the	O
base	O
library	B-Library
.	O
</s>
<s>
The	O
"	O
Core	O
"	O
branding	O
was	O
removed	O
and	O
version	O
4.0	O
was	O
skipped	O
to	O
avoid	O
conflation	O
with	O
.NET	B-Application
Framework	I-Application
,	O
which	O
remains	O
the	O
Windows-specific	O
product	O
.	O
</s>
<s>
It	O
addresses	O
the	O
patent	O
concerns	O
related	O
to	O
the	O
.NET	B-Application
Framework	I-Application
.	O
</s>
<s>
.NET	B-Application
supports	O
Alpine	O
Linux	B-Application
(	O
Alpine	O
primarily	O
supports	O
and	O
uses	O
musl	B-Language
libc	O
)	O
,	O
i.e.	O
</s>
<s>
since	O
.NET	B-Application
Core	I-Application
2.1	I-Application
.	O
</s>
<s>
Windows	B-Application
Arm64	B-Architecture
is	O
natively	O
supported	O
,	O
i.e	O
since	O
.NET	B-Application
5	I-Application
.	O
</s>
<s>
Previously	O
,	O
.NET	B-Application
on	O
ARM	B-Architecture
meant	O
applications	O
compiled	O
for	O
the	O
x86	O
architecture	O
and	O
those	O
were	O
using	O
the	O
ARM	B-Architecture
emulation	O
layer	O
.	O
</s>
<s>
.NET	B-Application
fully	O
supports	O
C#	B-Application
and	O
F#	B-Operating_System
(	O
and	O
C++	B-Language
/CLI	I-Language
as	O
of	O
3.1	O
;	O
only	O
enabled	O
on	O
Windows	B-Application
)	O
and	O
supports	O
Visual	B-Language
Basic	I-Language
.NET	I-Language
(	O
for	O
version	O
15.5	O
in	O
.NET	B-Application
Core	I-Application
5.0.100-preview.4	O
,	O
and	O
some	O
old	O
versions	O
supported	O
in	O
old	O
.NET	B-Application
Core	I-Application
)	O
.	O
</s>
<s>
VB.NET	B-Language
compiles	O
and	O
runs	O
on	O
.NET	B-Application
,	O
but	O
as	O
of	O
.NET	B-Application
Core	I-Application
3.1	I-Application
,	O
the	O
separate	O
Visual	B-Language
Basic	I-Language
Runtime	B-Device
is	O
not	O
implemented	O
.	O
</s>
<s>
Microsoft	O
initially	O
announced	O
that	O
.NET	B-Application
Core	I-Application
3	I-Application
would	O
include	O
the	O
Visual	B-Language
Basic	I-Language
Runtime	B-Device
,	O
but	O
after	O
two	O
years	O
the	O
timeline	O
for	O
such	O
support	O
was	O
updated	O
to	O
.NET	B-Application
5	I-Application
.	O
</s>
<s>
.NET	B-Application
supports	O
four	O
cross-platform	B-Operating_System
scenarios	O
:	O
ASP.NET	B-Application
Core	I-Application
web	B-Application
apps	I-Application
;	O
command-line/console	O
apps	O
;	O
libraries	O
;	O
and	O
Universal	B-Device
Windows	I-Device
Platform	I-Device
apps	O
.	O
</s>
<s>
Prior	O
to	O
.NET	B-Application
Core	I-Application
3.0	I-Application
,	O
it	O
did	O
not	O
implement	O
Windows	B-Application
Forms	I-Application
or	O
Windows	B-Device
Presentation	I-Device
Foundation	I-Device
(	O
WPF	O
)	O
,	O
which	O
render	O
the	O
standard	O
GUI	B-Application
for	O
desktop	O
software	O
on	O
Windows	B-Application
.	O
</s>
<s>
Now	O
,	O
however	O
,	O
.NET	B-Application
Core	I-Application
3	I-Application
supports	O
desktop	O
technologies	O
Windows	B-Application
Forms	I-Application
,	O
WPF	O
,	O
and	O
Universal	B-Device
Windows	I-Device
Platform	I-Device
(	O
UWP	B-Device
)	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
write	O
cross-platform	B-Operating_System
graphical	O
applications	O
using	O
.NET	B-Application
with	O
the	O
GTK#	O
language-binding	O
for	O
the	O
GTK	B-Application
widget	O
toolkit	O
.	O
</s>
<s>
.NET	B-Application
supports	O
use	O
of	O
NuGet	B-Application
packages	O
.	O
</s>
<s>
Unlike	O
.NET	B-Application
Framework	I-Application
,	O
which	O
is	O
serviced	O
using	O
Windows	B-Application
Update	O
,	O
.NET	B-Application
relies	O
on	O
its	O
package	B-Application
manager	I-Application
to	O
receive	O
updates	O
.	O
</s>
<s>
Starting	O
in	O
December	O
2020	O
,	O
however	O
,	O
.NET	B-Application
updates	O
started	O
being	O
delivered	O
via	O
Windows	B-Application
Update	O
as	O
well	O
.	O
</s>
<s>
The	O
two	O
main	O
components	O
of	O
.NET	B-Application
are	O
CoreCLR	O
and	O
CoreFX	O
,	O
which	O
are	O
comparable	O
to	O
the	O
Common	O
Language	O
Runtime	B-Device
(	O
CLR	O
)	O
and	O
the	O
Framework	B-Library
Class	I-Library
Library	I-Library
(	O
FCL	O
)	O
of	O
the	O
.NET	B-Application
Framework	I-Application
's	O
Common	O
Language	O
Infrastructure	O
(	O
CLI	O
)	O
implementation	O
.	O
</s>
<s>
As	O
a	O
CLI	O
implementation	O
of	O
Virtual	B-General_Concept
Execution	I-General_Concept
System	I-General_Concept
(	O
VES	O
)	O
,	O
CoreCLR	O
is	O
a	O
complete	O
runtime	B-Device
and	O
virtual	B-Architecture
machine	I-Architecture
for	O
managed	O
execution	B-General_Concept
of	O
CLI	O
programs	O
and	O
includes	O
a	O
just-in-time	O
compiler	O
called	O
RyuJIT	O
.	O
</s>
<s>
also	O
contains	O
CoreRT	O
,	O
the	O
runtime	B-Device
optimized	O
to	O
be	O
integrated	O
into	O
AOT	B-Application
compiled	O
native	O
binaries	B-Application
.	O
</s>
<s>
A	O
variant	O
of	O
the	O
.NET	B-Application
library	B-Library
is	O
used	O
for	O
UWP	B-Device
.	O
</s>
<s>
The	O
.NET	B-Application
command-line	B-Application
interface	I-Application
offers	O
an	O
execution	B-General_Concept
entry	O
point	O
for	O
operating	B-General_Concept
systems	I-General_Concept
and	O
provides	O
developer	O
services	O
like	O
compilation	O
and	O
package	B-Application
management	I-Application
.	O
</s>
<s>
The	O
official	O
community	O
mascot	O
of	O
.NET	B-Application
is	O
the	O
.NET	B-Application
Bot	O
(	O
stylized	O
as	O
"	O
dotnet	B-Application
bot	O
"	O
or	O
"	O
dotnet-bot	O
"	O
)	O
.	O
</s>
<s>
The	O
dotnet	B-Application
bot	O
served	O
as	O
the	O
placeholder	O
developer	O
for	O
the	O
initial	O
check-in	O
of	O
the	O
.NET	B-Application
source	O
code	O
when	O
it	O
was	O
open-sourced	O
.	O
</s>
