<s>
In	O
addition	O
the	O
KDE	B-Application
project	O
provides	O
unofficial	O
support	O
for	O
,	O
at	O
least	O
,	O
Qt	O
5.15	O
,	O
i.e.	O
</s>
<s>
MainWindow	O
:	O
A	O
modern	O
action-based	O
main	O
window	O
,	O
toolbar	O
,	O
menu	O
,	O
and	O
docking	O
architecture	O
4.1	O
20	O
December	O
2005	O
Introduced	O
integrated	O
SVG	B-Application
Tiny	O
support	O
,	O
a	O
PDF	B-Application
backend	O
to	O
Qt	O
's	O
printing	O
system	O
,	O
and	O
a	O
few	O
other	O
features	O
.	O
</s>
<s>
4.2	O
4	O
October	O
2006	O
Introduced	O
Windows	B-Application
Vista	I-Application
support	O
,	O
introduced	O
native	O
CSS	O
support	O
for	O
widget	O
styling	O
,	O
as	O
well	O
as	O
the	O
QGraphicsView	O
framework	O
for	O
efficient	O
rendering	O
of	O
thousands	O
of	O
2D	O
objects	O
onscreen	O
,	O
to	O
replace	O
Qt	O
3.x	O
'	O
s	O
QCanvas	O
class	O
.	O
</s>
<s>
4.3	O
30	O
May	O
2007	O
Improved	O
Windows	B-Application
Vista	I-Application
support	O
,	O
improved	O
OpenGL	B-Application
engine	O
,	O
SVG	B-Application
file	I-Application
generation	O
,	O
added	O
QtScript	B-Language
(	O
ECMAScript	B-Language
scripting	O
engine	O
based	O
on	O
QSA	O
)	O
.	O
</s>
<s>
4.4	O
6	O
May	O
2008	O
Features	O
included	O
are	O
improved	O
multimedia	O
support	O
using	O
Phonon	B-Language
,	O
enhanced	O
XML	B-Protocol
support	O
,	O
a	O
concurrency	O
framework	O
to	O
ease	O
developing	O
multi-threaded	B-Operating_System
applications	O
,	O
an	O
IPC	B-Operating_System
framework	O
with	O
a	O
focus	O
on	O
shared	O
memory	O
,	O
and	O
WebKit	B-Language
integration	O
.	O
</s>
<s>
4.5	O
3	O
March	O
2009	O
Major	O
included	O
features	O
are	O
QtCreator	B-Language
,	O
improved	O
graphical	O
engine	O
,	O
improved	O
integration	O
with	O
WebKit	B-Language
,	O
OpenDocument	B-Application
Format	I-Application
write	O
support	O
and	O
new	O
licensing	O
options	O
,	O
as	O
well	O
as	O
OS	O
X	O
Cocoa	O
framework	O
support	O
.	O
</s>
<s>
This	O
new	O
version	O
marked	O
a	O
major	O
change	O
in	O
the	O
platform	O
,	O
with	O
hardware-accelerated	O
graphics	O
,	O
QML	B-Language
and	O
JavaScript	B-Language
playing	O
a	O
major	O
role	O
.	O
</s>
<s>
Complete	O
Wayland	B-Language
support	O
,	O
including	O
the	O
client-side	O
decorations	O
.	O
</s>
<s>
(	O
5.1.1	O
)	O
2013-07-03	O
Already	O
ended	O
Yes	O
New	O
modules	O
and	O
experimental	O
Android	B-Application
and	O
iOS	B-Application
support	O
as	O
technology	O
preview	O
.	O
</s>
<s>
(	O
5.2.1	O
)	O
2013-12-12	O
Already	O
ended	O
Yes	O
First	O
release	O
with	O
official	O
support	O
of	O
Android	B-Application
and	O
iOS	B-Application
.	O
</s>
<s>
Some	O
code	O
from	O
KDE	B-Language
Platform	I-Language
4	I-Language
moved	O
into	O
Qt	O
instead	O
of	O
KDE	B-Language
Frameworks	I-Language
5	I-Language
.	O
</s>
<s>
Introduction	O
of	O
Qt	O
WebEngine	O
based	O
on	O
Chromium	B-Language
internal	O
components	O
that	O
will	O
eventually	O
replace	O
QtWebKit	B-Language
in	O
future	O
versions	O
.	O
</s>
<s>
Introduction	O
of	O
Qt	O
WebChannels	O
providing	O
a	O
QObject	O
bridge	O
over	O
WebSockets	B-Protocol
.	O
</s>
<s>
Initially	O
only	O
integrated	O
with	O
Qt	O
WebKit	B-Language
,	O
but	O
with	O
Qt	O
WebEngine	O
integration	O
under	O
way	O
for	O
5.5	O
(	O
5.5.1	O
)	O
2015-07-01	O
Already	O
ended	O
Yes	O
Features	O
available	O
in	O
Qt	O
5.5	O
according	O
to	O
official	O
Qt.io	O
website	O
:	O
</s>
<s>
Qt	O
WebEngine	O
now	O
uses	O
Chromium	B-Language
49	O
2017-01-23	O
Already	O
ended	O
Yes	O
Notable	O
improvements	O
:	O
</s>
<s>
The	O
Qt	B-Language
Quick	I-Language
Controls	O
2	O
have	O
gained	O
new	O
types	O
such	O
as	O
dialogs	O
,	O
rounded	O
buttons	O
and	O
tool	O
separators	O
.	O
</s>
<s>
Qt	B-Language
Quick	I-Language
scenes	O
can	O
now	O
be	O
embedded	O
within	O
a	O
Qt	O
3D	O
application	O
,	O
e.g.	O
</s>
<s>
Qt	O
WebEngine	O
now	O
uses	O
Chromium	B-Language
61	O
(	O
5.11.3	O
)	O
2018-05-22	O
Already	O
ended	O
Yes	O
Notable	O
improvements	O
:	O
</s>
<s>
Qt	O
WebEngine	O
now	O
uses	O
Chromium	B-Language
69	O
2019-06-19	O
Already	O
ended	O
Yes	O
Notable	O
improvements	O
:	O
</s>
<s>
Qt	O
Design	O
Studio	O
:	O
can	O
import	O
from	O
Sketch	B-Application
.	O
</s>
<s>
Qt	O
Lottie	O
(	O
new	O
Tech	O
Preview	O
)	O
:	O
can	O
import	O
animations	O
from	O
Adobe	B-Operating_System
After	I-Operating_System
Effects	I-Operating_System
.	O
</s>
<s>
Qt	O
WebEngine	O
now	O
uses	O
Chromium	B-Language
73	O
(	O
adds	O
PDF	B-Application
viewing	O
,	O
disabled	O
on	O
Linux	O
in	O
official	O
packages	O
)	O
.	O
</s>
<s>
Qt	O
CoAP	B-Device
:	O
now	O
supports	O
DTLS	B-General_Concept
.	O
</s>
<s>
Qt	O
Multimedia	O
:	O
Added	O
support	O
of	O
GStreamer	B-Language
for	O
Windows/macOS	O
.	O
</s>
<s>
Qt	B-Language
Quick	I-Language
:	O
Added	O
support	O
to	O
TableView	O
for	O
hiding	O
rows	O
and	O
columns	O
.	O
</s>
<s>
Last	O
version	O
that	O
supports	O
development	O
for	O
old	O
android	B-Application
versions	O
(	O
5.1	O
Lollipop	O
,	O
4.4	O
KitKat	O
,	O
4.1	O
Jelly	O
Bean	O
)	O
.	O
</s>
<s>
Qt	O
for	O
android	B-Application
applications	I-Application
required	O
minimum	O
android	B-Application
6.0	O
(	O
API	O
23	O
)	O
to	O
run	O
.	O
</s>
<s>
The	O
KDE	B-Application
project	O
provides	O
unofficial	O
support	O
for	O
Qt	O
5.15	O
in	O
the	O
form	O
of	O
a	O
collection	O
of	O
bugfix	O
patches	O
,	O
most	O
of	O
which	O
are	O
backported	O
from	O
Qt	O
6	O
.	O
</s>
<s>
As	O
KDE	B-Application
has	O
a	O
policy	O
of	O
not	O
assigning	O
version	O
numbers	O
to	O
their	O
patches	O
,	O
Linux	B-Application
distributions	I-Application
use	O
ad-hoc	O
schemes	O
when	O
using	O
this	O
fork	O
of	O
Qt5	O
:	O
OpenSUSE	B-Operating_System
,	O
for	O
example	O
,	O
calls	O
its	O
June	O
2021	O
version	O
"	O
5.15.2	O
+kde200	O
"	O
.	O
</s>
<s>
Reintroduces	O
Qt	O
TextToSpeech	O
from	O
Qt	O
5	O
LTS	O
(	O
6.5.0	O
)	O
2023-04-03	O
Yes	O
Qt	O
Shader	O
Tools	O
and	O
Qt	B-Language
Quick	I-Language
Effect	O
Maker	O
.	O
</s>
