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diff --git a/doc/manual/release-notes.xml b/doc/manual/release-notes.xml index 8a8a7168023e..3140f629785b 100644 --- a/doc/manual/release-notes.xml +++ b/doc/manual/release-notes.xml @@ -8,6 +8,56 @@ <article><title>Nix Release Notes</title> +<section><title>Release 0.10 (TBA)</title> + +<note><para>This version of Nix uses Berkeley DB 4.4 instead of 4.3. +The database is upgraded automatically, but you should be careful not +to use old versions of Nix that still use Berkeley DB 4.3. In +particular, if you use a Nix installed through Nix, you should run + +<screen> +$ nix-store --clear-substitutes</screen> + +first.</para></note> + +<warning><para>Also, the database schema has changed slighted to fix a +performance issue (see below). When you run any Nix 0.10 command for +the first time, the database will be upgraded automatically. This is +irreversible.</para></warning> + +<itemizedlist> + + <listitem><para>An option <option>--compare-versions</option> (or + <option>-c</option>) has been added to <command>nix-env + --query</command> to allow you to compare installed versions of + packages to available versions, or vice versa. An easy way to see + if you are up to date with what’s in the channel is <literal>nix-env + -qc</literal>.</para></listitem> + + <listitem><para>TODO: shared stores.</para></listitem> + + <listitem><para>A performance issue has been fixed with the + <literal>referer</literal> table, which stores the inverse of the + <literal>references</literal> table (i.e., it tells you what store + paths refer to a given path). Maintaining this table could take a + quadratic amount of time, as well as a quadratic amount of Berkeley + DB log file space (in particular when running the garbage + collector).</para></listitem> + + <listitem><para>Nix now catches the <literal>TERM</literal> and + <literal>HUP</literal> signals in addition to the + <literal>INT</literal> signal. So you can now do a <literal>killall + nix-store</literal> without triggering a database + recovery.</para></listitem> + + <listitem><para>Reference scanning (which happens after each build) + is much faster.</para></listitem> + +</itemizedlist> + +</section> + + <section><title>Release 0.9.2 (September 21, 2005)</title> <para>This bug fix release fixes two problems on Mac OS X: |