Fixes INP-1750 - Support PHP Memcached extension for caching

Fixes INP-1830 - Clear incompletely configured e-mail on error

Fixes INP-1781 - Respect sub-item status, when performing unique validation

Fixes INP-1841 - Improve performance of System Log record removal code

Fixes INP-1818 - Reset cURL settings only upon connection closing

Fixes INP-1837 - Record code fragment in the System Log backtrace

Fixes INP-1827 - Connect a testing framework

Fixes INP-1795 - Invoke language pack comparison tool upon deploy using…

Fixes INP-1821 - Don't check event-based permissions from template for "root"…

Fixes INP-1826 - Convert search/custom having filters into a where filters in…

Fixes INP-1811 - Support partitions in grids and direct INSERT/UPDATE clauses

Fixes INP-1832 - Use "p-rel" unit for relation management in the In-Commerce…

Fixes INP-1831 - Allow specifying "HookToModule" in hook declarations

Fixes INP-1829 - Add "keep_cents" field option for "kFormatter::Format" method

Fixes INP-1569 - Create System Log record, when stale semaphore is discovered…

Fixes INP-1838 - Set expiration limit for life-time cached keys

Fixes INP-1833 - Add database server index to the error messages

Fixes INP-1834 - Connect "mtdowling/cron-expression" library

Fixes INP-1842 - Cache user primary group detection during Checkout

Fixes INP-1836 - Don't serialize "SecurityEncrypter" class properties

Fixes INP-1840 - Reset form scroll prior to window resizing handling

Fixes INP-1843 - Cache results of the "kCountryStatesHelper::getCountryIso"…

Fixes INP-1817 - Change engine for storing export user presets

Fixes INP-1668 - Allow specifying image quality, orientation and output format…

Fixes INP-1848 - Filter list configuration request parameters on the Front-End

Fixes INP-1861 - Cache results of the PHP_CodeSniffer & PHP_MessDetector

Fixes INP-1862 - Execute "lint" prior to deploy during the build

Fixes INP-1850 - Repair the "kHTTPQuery::getHeaders" method

Fixes INP-1847 - Specify image resizing defaults for category item images

Fixes INP-1865 - Use cryptographically safe session key generator

Fixes INP-1859 - Escape MySQL 8.3 keywords

Fixes INP-1869 - Add vendor autoloader support for Class Locator

Fixes INP-1866 - Verify SSL certificate on cURL connections

Fixes INP-1864 - Require Username on the Login Form

Fixes INP-1867 - Remove the MySQL password warning from Phing DB dumps

Fixes INP-1870 - Save the session to the database immediately after the user…

Fixes INP-1725 - Introduce secure Session Key generation/storage

[backported] Fixes INP-1756 - Create "Security*" classes for security-related…

Fixes INP-1871 - Properly dispose session during logout workflow

Fixes INP-1756 - Create "Security*" classes for security-related jobs

Fixes INP-1879 - Adjust Phabricator URL to use SSL

Merging from 5.2.x to 5.3.x

Fixes INP-1846 - Escape Request URI in the System Log

Fixes INP-1851 - Log file upload meta-information as part of the Request Data

Fixes INP-1849 - Ignore non-string Mod-Rewrite URL during URL parsing

Bug INP-1725 - Introduce secure Session Key generation/storage

Fixes INP-1856 - Make cookies unavailable via the "kApplication::GetVar" calls

Fixes INP-1857 - Prevent recursion in the "\kUrlManager::show404" method

Fixes INP-1858 - HTML-escape data in Admin Console grids

Fixes INP-1882 - Rework URL-encoding in Debugger Report file URLs

Fixes INP-1872 - Properly handle constant absence during category cache rebuild

Merge (5.3.x > 5.2.x): * [backported] Fixes INP-1883 - Rework URL-encoding in…

Fixes INP-1881 - Change default Debugger URL handler to PhpStorm

Fixes INP-1873 - Support MySQL 8 database collations

Bug INP-1827 - Connect a testing framework

Fixes INP-1884 - Actualize "/system/config.php" created during the build

Fixes INP-1885 - Consistently use PHP binary during the Build

Fixes INP-1863 - Correct PHPUnit integration

Bug #0000014: Check ADD/EDIT Permissions in Section drop-down

Bug #0001270: Multiple language import fails

Fixes #0001342: Make UTF-8 the only one supported language encoding

Fixes #0001423: Function "htmlspecialchars" breaks down UTF-8 encoding

Bug #0001270: Multiple language import fails

Fixes #0001342: Make UTF-8 the only one supported language encoding

Fixes #0001423: Function "htmlspecialchars" breaks down UTF-8 encoding

Fixes #0001423: Function "htmlspecialchars" breaks down UTF-8 encoding

Bug #0001270: Multiple language import fails

Fixes #0001342: Make UTF-8 the only one supported language encoding

Fixes #0001423: Function "htmlspecialchars" breaks down UTF-8 encoding

bug #0000007 fixed - Switching between Catalog / Show All grids

Fixes #0000008: Limiting "Form Creator" to DBG Mode.

Fixes #0000006: Left Tree with Sections Fails to Update.

1. Fixes 0000031: Convert FCK "Internal Link Pointers" to Real URLs.

1. Method "kDBEventHandler::StoreSelectedIDs" wasn't returning IDs, given using…

Fixes #0000033: "Loading..." element while Edit Item form is loading

1. Fixes #0000035: Minor Adjustments to Catalog Grids.

Fixes #0000005: Issue with Copy/Paste into FCK in Edit Blocks (in IE8 only)

Fixes #0000041: User IP in UserSession table have value "0.0.0.0" sometimes.

inportalBase variable should not be defined locally, because this overrides…

Fixes #0000036: Duplicate category shown at the bottom in tree frame.

1. Fixes #0000062: Remove depricated mod-rewrite parts

1. Fixes #0000053: Mod-rewrite partially broken.