<s>
A	O
maintenance	B-General_Concept
release	I-General_Concept
(	O
also	O
minor	B-General_Concept
release	I-General_Concept
or	O
Maintenance	O
Pack	O
or	O
MP	O
)	O
is	O
a	O
release	O
of	O
a	O
product	O
that	O
does	O
not	O
add	O
new	O
features	O
or	O
content	O
.	O
</s>
<s>
For	O
instance	O
,	O
in	O
computer	B-Application
software	I-Application
,	O
maintenance	B-General_Concept
releases	I-General_Concept
are	O
typically	O
intended	O
to	O
solve	O
minor	O
problems	O
,	O
typically	O
"	O
bugs	B-Error_Name
"	O
or	O
security	O
issues	O
.	O
</s>
<s>
The	O
somewhat	O
unusual	O
version	O
number	O
"	O
3.0.5a	O
"	O
was	O
used	O
for	O
a	O
minor	B-General_Concept
release	I-General_Concept
of	O
KDE	B-Application
because	O
of	O
a	O
lack	O
of	O
version	O
numbers	O
.	O
</s>
<s>
Work	O
on	O
KDE	B-Application
3.1	O
had	O
already	O
started	O
and	O
,	O
up	O
to	O
that	O
day	O
,	O
the	O
release	O
coordinator	O
used	O
version	O
numbers	O
such	O
as	O
3.0.5	O
,	O
3.0.6	O
internally	O
in	O
the	O
main	O
CVS	B-Application
repository	O
to	O
mark	O
snapshots	O
of	O
the	O
upcoming	O
3.1	O
.	O
</s>
<s>
Then	O
after	O
3.0.3	O
,	O
a	O
number	O
of	O
important	O
and	O
unexpected	O
bug	B-Error_Name
fixes	O
(	O
starting	O
from	O
3.0.4	O
)	O
suddenly	O
became	O
necessary	O
,	O
leading	O
to	O
a	O
conflict	O
,	O
because	O
3.0.5	O
was	O
at	O
this	O
time	O
already	O
in	O
use	O
.	O
</s>
<s>
More	O
recent	O
KDE	B-Application
release	O
cycles	O
have	O
tagged	O
pre-release	O
snapshots	O
with	O
large	O
revision	O
numbers	O
,	O
such	O
as	O
3.1.95	O
,	O
to	O
avoid	O
such	O
conflicts	O
.	O
</s>
