moodle/lib/UPGRADING.md

core (subsystem) Upgrade notes

4.5dev

Removed

• The previously deprecated function search_generate_text_SQL has been removed and can no longer be used.

  For more information see MDL-48940

• The previously deprecated function core_text::reset_caches() has been removed and can no longer be used.

  For more information see MDL-71748

• The following previously deprecated methods have been removed and can no longer be used:

  • renderer_base::should_display_main_logo

  For more information see MDL-73165

• Final deprecation of print_error(). Use moodle_exception instead.

  For more information see MDL-74484

Changed

• The class autoloader has been moved to an earlier point in the Moodle bootstrap. Autoloaded classes are now available to scripts using the ABORT_AFTER_CONFIG constant.

  For more information see MDL-80275

Added

• New DML constant SQL_INT_MAX to define the size of a large integer with cross database platform support

  For more information see MDL-81282

• Added an exception L2 Namespace to APIs

  For more information see MDL-81903

Fixed

• Use server timezone when constructing \DateTimeImmutable for the system \core\clock implementation.

  For more information see MDL-81894

Deprecated

• The following methods have been deprecated, existing usage should switch to secure \core\encryption library:

  • rc4encrypt
  • rc4decrypt
  • endecrypt

  For more information see MDL-81940