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//proc/self/root/var/softaculous/tcexam/changelog.txt
17.2.0 (2026-06-25) - Fixed creating and importing questions and answers on databases using the utf8mb4 character set (issue #461); the binary uniqueness-check collation is now configurable via the new K_MYSQL_QA_BIN_COLLATION constant. 17.0.0 (2026-06-23) [BREAKING CHANGE] - Major modernisation release. Please read UPGRADE.md before updating an existing installation. - PHP 8.2 or newer is now required. - Dependencies are now managed with Composer; running "composer install" is required before use. - Externalised the previously bundled libraries to Composer packages: PHPMailer, phpCAS, RADIUS and TCPDF. - Replaced TCPDF with the tc-lib-pdf engine (plus tc-lib-barcode, tc-lib-color and tc-lib-file) for all PDF generation, OMR answer sheets, QR codes and the colour picker. - PDF fonts are now generated at install time into the vendor directory; the bundled 27 MB fonts/ folder has been removed. - Upgraded PHPMailer to the 7.x series. - Removed the legacy register-globals emulation; all controllers now read request inputs explicitly from $_POST/$_REQUEST. - Security hardening: install-time random K_RANDOM_SECURITY with fail-closed PDF result tokens, fixed SQL injection and XSS issues, IDOR fix for non-admin editors, safer file/URL handling and CSPRNG-based codes. - Accessibility overhaul (WCAG 2.1 level AA): semantic landmarks, skip links, ARIA roles, labelled forms and screen-reader cues. - Migrated the HTML output from XHTML 1.0 Strict to HTML5. - Replaced the virtual keyboard and old Internet Explorer workarounds; added a new calendar widget and a native HTML5 colour picker. - Added a PHPUnit test suite plus Docker-based integration tests against MySQL/MariaDB and PostgreSQL. - Added a Docker runtime (Dockerfile + docker-compose) for evaluation and deployment. - Added build tooling: Makefile targets, GitHub Actions CI and mago lint/format. - Internationalisation: kept the TMX format and added a "make lang" build/validation step for the translation caches. - New configuration constants: K_USRREG_ALLOWED_GROUPS, K_CAS_SERVICE_BASE_URL, K_FILE_ALLOWED_PATHS, K_FILE_ALLOWED_HOSTS and several K_PDF_* options. - Overhauled the documentation: rewritten README, INSTALL, UPGRADE, CONTRIBUTING, SECURITY and CODE_OF_CONDUCT, and consolidated the installation instructions into a single up-to-date manual (install/README.md). ************************************************* 16.6.3 (2026-04-16) - Fix potential security vulnerability issues. 16.6.2 (2026-03-08) - Add K_USRREG_ALLOWED_GROUPS configuration entry to set the allowed registration groups. - Sanitize fields and additional checks. 16.6.1 (2026-03-04) - Update TCPDF. - Sanitize XML fields.
