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Release notes for fish 2.0

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<h2>Release Notes for fish 2.0.0</h2>
<h3>Significant Changes</h3>
<ul>
<li><b>Command substitutions now modify <tt>$status</tt></b> <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/547">#547</a>.
<p>
Previously the exit status of command substitutions (like <tt>(pwd)</tt>) was ignored; however now it modifies $status. Furthermore, the <tt>set</tt> command now only sets $status on failure; it is untouched on success. This allows for the following pattern:
<pre>
if set python_path (which python)
...
end
</pre>
Because set does not modify $status on success, the if branch effectively tests whether <tt>which</tt> succeeded, and if so, whether the <tt>set</tt> also succeeded.
</p></li>
<li><b>Improvements to $PATH handling</b>.
<p>
<ul><li>There is a new variable, <tt>$fish_user_paths</tt>, which can be set universally, and whose contents are appended to $PATH <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/527">#527</a></li>
<li>/etc/paths and /etc/paths.d are now respected on OS X</li>
<li>fish no longer modifies $PATH to find its own binaries</li>
</ul></li>
</p>
</li>
<li><b>Long lines no longer use ellipsis for line breaks</b>, and copy and paste should no longer include a newline even if the line was broken <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/300">#300</a></li>
<li><b>New syntax for index ranges</b> (sometimes known as "slices") <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/212">#212</a></li>
<li><b>fish now supports an <tt>else if</tt> statement</b> <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/134">#134</a></li>
<li><b>Process and pid completion now works on OS X</b> <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/129">#129</a></li>
<li><b>fish is now relocatable</b>, and no longer depends on compiled-in paths <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/125">#125</a></li>
<li><b>fish now supports a right prompt (RPROMPT)</b> through the <tt>fish_right_prompt</tt> function <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/80">#80</a></li>
<li><b>fish now uses posix_spawn instead of fork when possible</b>, which is much faster on BSD and OS X <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/11">#11</a></li>
</ul>
<h3>Other Notable Fixes</h3>
<ul>
<li>Updated VCS completions (darcs, cvs, svn, etc.)</li>
<li>Avoid calling getcwd on the main thread, as it can hang <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/696">#696</a></li>
<li>Control-D (forward delete) no longer stops at a period <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/667">#667</a></li>
<li>Completions for many new commands </li>
<li>fish now respects rxvt's unique keybindings <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/657">#657</a></li>
<li>xsel is no longer built as part of fish. It will still be invoked if installed separately <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/633">#633</a></li>
<li>__fish_filter_mime no longer spews <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/628">#628</a></li>
<li>The --no-execute option to fish no longer falls over when reaching the end of a block <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/624">#624</a></li>
<li>fish_config knows how to find fish even if it's not in the $PATH <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/621">#621</a></li>
<li>A leading space now prevents writing to history, as is done in bash and zsh <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/615">#615</a></li>
<li>Hitting enter after a backslash only goes to a new line if it is followed by whitespace or the end of the line <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/613">#613</a></li>
<li>printf is now a builtin <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/611">#611</a></li>
<li>Event handlers should no longer fire if signals are blocked <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/608">#608</a></li>
<li>set_color is now a builtin <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/578">#578</a></li>
<li>man page completions are now located in a new generated_completions directory, instead of your completions directory <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/576">#576</a></li>
<li>tab now clears autosuggestions <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/561">#561</a></li>
<li>tab completion from within a pair of quotes now attempts to "appropriate" the closing quote <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/552">#552</a></li>
<li>$EDITOR can now be a list: for example, <tt>set EDITOR gvim -f</tt>) <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/541">#541</a></li>
<li><tt>case</tt> bodies are now indented <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/530">#530</a></li>
<li>The profile switch <tt>-p</tt> no longer crashes <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/517">#517</a></li>
<li>You can now control-C out of <tt>read</tt> <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/516">#516</a></li>
<li><tt>umask</tt> is now functional on OS X <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/515">#515</a></li>
<li>Avoid calling getpwnam on the main thread, as it can hang <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/512">#512</a></li>
<li>Alt-F or Alt-right-arrow (Option-F or option-right-arrow) now accepts one word of an autosuggestion <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/435">#435</a></li>
<li>Setting fish as your login shell no longer kills OpenSUSE <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/367">#367</a></li>
<li>Backslashes now join lines, instead of creating multiple commands <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/347">#347</a></li>
<li>echo now implements the -e flag to interpret escapes <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/337">#337</a></li>
<li>When the last token in the user's input contains capital letters, use its case in preference to that of the autosuggestion <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/335">#335</a></li>
<li>Descriptions now have their own muted color <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/279">#279</a></li>
<li>Wildcards beginning with a . (for example, <tt>ls .*</tt>) no longer match . and .. <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/270">#270</a></li>
<li>Recursive wildcards now handle symlink loops <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/268">#268</a></li>
<li>You can now delete history items from the fish_config web interface <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/250">#250</a></li>
<li>The OS X build now weak links <tt>wcsdup</tt> and <tt>wcscasecmp</tt> <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/240">#240</a></li>
<li>fish now saves and restores the process group, which prevents certain processes from being erroneously reported as stopped <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/197">#197</a></li>
<li><tt>funced</tt> now takes an editor option <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/187">#187</a></li>
<li>Alternating row colors are available in fish pager through <tt>fish_pager_color_secondary</tt> <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/186">#186</a></li>
<li>Universal variable values are now stored based on your MAC address, not your hostname <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/183">#183</a></li>
<li>The caret ^ now only does a stderr redirection if it is the first character of a token, making git users happy <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/168">#168</a></li>
<li>Autosuggestions will no longer cause line wrapping <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/167">#167</a></li>
<li>Better handling of Unicode combining characters <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/155">#155</a></li>
<li>fish SIGHUPs processes more often <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/138">#138</a></li>
<li>fish no longer causes <tt>sudo</tt> to ask for a password every time</li>
<li>fish behaves better under Midnight Commander <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/121">#121</a></li>
<li><tt>set -e</tt> no longer crashes <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/100">#100</a></li>
<li>fish now will automatically import history from bash, if there is no fish history <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/66">#66</a></li>
<li>Backslashed-newlines inside quoted strings now behave more intuitively <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/52">#52</a></li>
<li>Tab titles should be shown correctly in iTerm2 <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/47">#47</a></li>
<li>scp remote path completion now sometimes works <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/42">#42</a></li>
<li>The <tt>read</tt> builtin no longer shows autosuggestions <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/29">#29</a></li>
<li>Custom key bindings can now be set via the <tt>fish_user_key_bindings</tt> function <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/21">#21</a></li>
<li>All Python scripts now run correctly under both Python 2 and Python 3 <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/14">#14</a></li>
<li>The "accept autosuggestion" key can now be configured <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/19">#19</a></li>
<li>Autosuggestions will no longer suggest invalid commands <a class="issue_link" href="http://github.com/fish-shell/fish-shell/issues/6">#6</a></li>
</ul>
<h2>Release Notes for <i>fishfish</i> Beta r2</h2> <h2>Release Notes for <i>fishfish</i> Beta r2</h2>
<h3>Bug Fixes</h3> <h3>Bug Fixes</h3>