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<h1>Version 4.0.0-rc.2<a class="headerlink" href="#version-4-0-0-rc-2" title="Permalink to this headline"></a></h1>
<p>Release Date: Sept 27, 2019</p>
<p><strong>RC.2 release of CodeIgniter4</strong></p>
<p>Enhancements:</p>
<ul class="simple">
<li><dl class="simple">
<dt>query builder testability simplified with new property, but dropped</dt><dd><p>method parameters (breaking change)</p>
</dd>
</dl>
</li>
<li><p>database, migrations and sessions beefed up</p></li>
<li><p>numerous smaller bugs corrected</p></li>
</ul>
<p>App changes:</p>
<ul class="simple">
<li><p>Config/Constants, Paths &amp; some config settings have had changes</p></li>
</ul>
<p>Message changes:</p>
<ul class="simple">
<li><p>N/A</p></li>
</ul>
<p>The list of changed files follows, with PR numbers shown.</p>
<ul class="simple">
<li><p>admin/</p></li>
<li><dl class="simple">
<dt>app/</dt><dd><ul>
<li><dl class="simple">
<dt>Config/</dt><dd><ul>
<li><p>Boot/* #2241</p></li>
<li><p>Constants #2183</p></li>
<li><p>Paths #2181</p></li>
</ul>
</dd>
</dl>
</li>
</ul>
</dd>
</dl>
</li>
<li><p>public/</p></li>
<li><dl class="simple">
<dt>system/</dt><dd><ul>
<li><dl class="simple">
<dt>CLI/</dt><dd><ul>
<li><p>BaseCommand #2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Database/</dt><dd><ul>
<li><p>MySQLi/Connection #2201, 2229</p></li>
<li><dl class="simple">
<dt>Postgre/</dt><dd><ul>
<li><p>BaseBuilder #2269</p></li>
<li><p>Connection #2201</p></li>
</ul>
</dd>
</dl>
</li>
<li><p>SQLite3/Connection #2201, 2228, 2230</p></li>
<li><p>BaseBuilder #2257, 2232, 2269, 2270</p></li>
<li><p>BaseConnection #2208, 2213, 2231</p></li>
<li><p>Config #2224</p></li>
<li><p>Forge #2205</p></li>
<li><p>MigrationRunner #2191</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Debug/</dt><dd><ul>
<li><p>Exceptions #2262</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Encryption/</dt><dd><ul>
<li><p>Encryption #2231</p></li>
<li><p>Handlers/BaseHandler #2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Files/</dt><dd><ul>
<li><p>FileCollection #2265</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>HTTP/</dt><dd><ul>
<li><p>CURLRequest #2168</p></li>
<li><p>IncomingRequest #2265</p></li>
<li><p>Request #2253</p></li>
<li><p>Response #2253</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>I18n/</dt><dd><ul>
<li><p>Time #2231</p></li>
<li><p>TimeDifference #2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Images/</dt><dd><ul>
<li><p>Handlers/BaseHandler #2246</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>RESTful/</dt><dd><ul>
<li><p>ResourcePresenter #2271</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Security/</dt><dd><ul>
<li><p>Security #2240</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Session/</dt><dd><ul>
<li><p>Session #2197, 2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Test/</dt><dd><ul>
<li><p>CIDatabaseTestCase #2205</p></li>
<li><p>CIDatabaseUnitTestCase #2184</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Validation/</dt><dd><ul>
<li><p>FileRules #2265</p></li>
<li><p>Validation #2268</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>View/</dt><dd><ul>
<li><p>Parser #2264</p></li>
</ul>
</dd>
</dl>
</li>
<li><p>Common #2200, 2209, 2261</p></li>
<li><p>Model #2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><p>tests/_support/</p></li>
<li><dl class="simple">
<dt>tests/system/</dt><dd><ul>
<li><dl class="simple">
<dt>Commands/</dt><dd><ul>
<li><p>CommandClassTest #2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Database/</dt><dd><ul>
<li><dl class="simple">
<dt>Builder/</dt><dd><ul>
<li><dl class="simple">
<dt>GetTest #2232</dt><dd><ul>
<li><p>CountTest #2269</p></li>
<li><p>DeleteTest #2269</p></li>
<li><p>EmptyTest #2269</p></li>
<li><p>GetTest #2269</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>GroupTest #2257</dt><dd><ul>
<li><p>InsertTest #2269</p></li>
<li><p>ReplaceTest #2269</p></li>
<li><p>TruncateTest #2269</p></li>
<li><p>UpdateTest #2269</p></li>
</ul>
</dd>
</dl>
</li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Live/</dt><dd><ul>
<li><p>EscapeTest #2229</p></li>
<li><p>ForgeTest #2201, 2211</p></li>
<li><p>GroupTest #2257</p></li>
<li><p>MetadataTest #2211</p></li>
<li><p>ModelTest #2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><p>BaseConnectionTest #2229, 2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Encryption/</dt><dd><ul>
<li><p>EncryptionTest #2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Helpers/</dt><dd><ul>
<li><p>URLHelperTest #2259</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>HTTP/</dt><dd><ul>
<li><p>CURLRequestTest #2168</p></li>
<li><p>FileCOllectionTest #2265</p></li>
<li><p>URITest #2259</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>I18n/</dt><dd><ul>
<li><p>TimeDifferenceTest #2231</p></li>
<li><p>TimeTest #2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Pager/</dt><dd><ul>
<li><p>pagerTest #2259</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>RESTful/</dt><dd><ul>
<li><p>ResourcePresenterTest #2271</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>Session/</dt><dd><ul>
<li><p>SessionTest #2231</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>View/</dt><dd><ul>
<li><p>ParserTest #2264</p></li>
</ul>
</dd>
</dl>
</li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>user_guide_src/</dt><dd><ul>
<li><dl class="simple">
<dt>concepts/</dt><dd><ul>
<li><p>structure #2221</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>database/</dt><dd><ul>
<li><p>metadata #2199, 2201, 2208</p></li>
<li><p>queries #2208</p></li>
<li><p>query_builder #2257, 2232, 2269</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>dbmgmt/</dt><dd><ul>
<li><p>migration #2190, 2191</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>extending/</dt><dd><ul>
<li><p>contributing #2221</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>general/</dt><dd><ul>
<li><p>errors #2221</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>helpera/</dt><dd><ul>
<li><p>url_helper #2259</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>incoming/</dt><dd><ul>
<li><p>restful #2189</p></li>
<li><p>routing #2221</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>installation/</dt><dd><ul>
<li><p>troubleshooting #2260</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>libraries/</dt><dd><ul>
<li><p>encryption #2221</p></li>
<li><p>pagination #2216</p></li>
<li><p>time #2221</p></li>
<li><p>uti #2216</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>outgoing/</dt><dd><ul>
<li><p>api_responses #2245</p></li>
<li><p>view_layouts #2218</p></li>
<li><p>view_parser #2218, 2264</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>testing/</dt><dd><ul>
<li><p>controllers #2221</p></li>
<li><p>debugging #2221, 2209</p></li>
<li><p>feature #2218, 2221</p></li>
<li><p>overview #2221</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>tutorial/</dt><dd><ul>
<li><p>news_section #2221</p></li>
<li><p>static_pages #2221</p></li>
</ul>
</dd>
</dl>
</li>
</ul>
</dd>
</dl>
</li>
</ul>
<div class="section" id="prs-merged">
<h2>PRs merged:<a class="headerlink" href="#prs-merged" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li><p>#2271 fix ResourcePresenter::setModel()</p></li>
<li><p>#2270 groupStart() refactorization</p></li>
<li><p>#2269 testMode() method for BaseBuilder</p></li>
<li><p>#2268 Validation session use only if exists</p></li>
<li><p>#2267 Tests setUp and tearDown: void</p></li>
<li><p>#2265 Fix a validation issue on multiple file upload</p></li>
<li><p>#2264 fix. Parser allow other extension</p></li>
<li><p>#2262 Fix parameter type in Debug/Exceptions</p></li>
<li><p>#2261 Fix lang() signature</p></li>
<li><p>#2260 Explain the whoops page</p></li>
<li><p>#2259 Add URI &amp; url_helper tests</p></li>
<li><p>#2257 Several updates to the HAVING clauses</p></li>
<li><p>#2253 Fix invalid parameters</p></li>
<li><p>#2246 EXIF not supported for GIF</p></li>
<li><p>#2245 Fix class ref parameter types</p></li>
<li><p>#2241 Fix ini_set parameter type</p></li>
<li><p>#2240 Handle JSON POSTs in CSRF</p></li>
<li><p>#2232 Fixes BaseBuilder getWhere() bug</p></li>
<li><p>#2231 Add magic __isset to classes with __get</p></li>
<li><p>#2230 Add escape to SQLite _listTables()</p></li>
<li><p>#2229 MySQLi escapeLikeStringDirect()</p></li>
<li><p>#2228 Exclude <cite>sqlite_%</cite> from listTables()</p></li>
<li><p>#2224 change new ConfigDatabase() to config(Database)</p></li>
<li><p>#2221 Documentation fixes</p></li>
<li><p>#2218 Typo corrected</p></li>
<li><p>#2216 Update uri.rst</p></li>
<li><p>#2213 Filter listTables cache response on constrainPrefix</p></li>
<li><p>#2211 Add listTable() tests</p></li>
<li><p>#2209 Add trace()</p></li>
<li><p>#2208 Add $db-&gt;getPrefix()</p></li>
<li><p>#2205 Fix empty() bug on DBPrefix</p></li>
<li><p>#2201 Foreign key columns</p></li>
<li><p>#2200 Notify Kint of dd alias</p></li>
<li><p>#2199 Add getForeignKeyData to User Guide</p></li>
<li><p>#2187 Update Session.php</p></li>
<li><p>#2191 Migration rollback reverse</p></li>
<li><p>#2190 Fix name of ForeignKeyChecks</p></li>
<li><p>#2189 missing return</p></li>
<li><p>#2184 Fix case on “Seeds/” directory</p></li>
<li><p>#2183 Check <cite>defined</cite> for constants</p></li>
<li><p>#2181 Remove copy-paste extraneous text</p></li>
<li><p>#2168 Fix for CURL for debug option</p></li>
</ul>
</div>
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