</listitem>
<listitem>
<para>
+ Linear implicit parameters have been scheduled for removal for some
+ time. In 6.6 we've removed them from the user manual, and they may
+ well disappear from the compiler itself in 6.6.1.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
It is now possible, with the <literal>-I</literal> RTS flag,
to control the amount of idle time that happens before a major
GC is performed.