Release v20.12.0 · OpenMage/magento-lts

Changes

Fixes grid column type concat @sreichel (#4476)
Fix regression bug for duplicate block rendering with getSortedChildren() @bucha (#4480)
Hotfix: Incorrect attribute localization @sreichel (#4441)
Catch exception when invalid country_id is submitted in estimate ship… @colinmollenhour (#4427)

add bucha as a contributor for code @allcontributors (#4482)
Workflow: release-drafter.yml update @sreichel (#4457)
README: updated contributors list @allcontributors (#4479)
Cleanup: removed phpversion check @sreichel (#4459)
PHP-CS-Fixer: added all directories to checks @sreichel (#4406)
Cleanup: update addHandle() docblock @sreichel (#4460)
Workflow: update PhpStorm meta files @sreichel (#4445)
PHPStan: added DOCblocks to most templates 🚀 @sreichel (#4468)
Workflow: fixed invalid JSON @sreichel (#4470)
PhpUnit: fixes Update LayoutTest.php @sreichel (#4453)
PHPUnit: fixed test using wrong date format @sreichel (#4444)
Updated phpstan to v2.1 @sreichel (#4430)
All contributors bot @sreichel (#4446)
Bumped version to 20.12.0 @sreichel (#4442)
PHPUnit: added test for Mage_Core_Model_Layout::getBlockSingleton() @sreichel (#4431)
Workflow: added release drafter @sreichel (#4443)
Updated Copyright @github-actions (#4440)
Updated README.md @sreichel (#4408)
Mini DOCBlock update @sreichel (#4415)