Update Object.php
updated runtime-sessions-cookies.md [skip ci]
refactoring code
Merge pull request #5617 from pana1990/patch-1

refactoring code
Merge pull request #5615 from pana1990/guide-es

updated runtime-sessions-cookies.md [skip ci]
Merge pull request #5609 from db6178/patch-1

[skip ci] Update Object.php
Update runtime-responses.md
Merge pull request #5618 from aminking2005/patch-1

[ci skip] Update runtime-responses.md
revert incorrect change in #5617
Add support for yii\db\Expression to QueryBuiler simple conditions

fixes #5601
fix crash when setter w/o arguments is defined

fixes #5623
Merge pull request #5616 from yii2-chinesization/master

Update old files and add some new translations
Update runtime-responses.md [skip ci]
Merge pull request #5628 from pana1990/guide-es

Update runtime-responses.md [skip ci]
updated versioning policy [skip ci]
correct a error link [skip ci]
Fixed entry script name
Merge pull request #5636 from ECDarwin/patch-1

correct a error link [skip ci]
updated guide about helpers

make sure to not confuse extending of helper classes with extensions.
Use "customizing" in this case and added note about when this should be done.
docs/internals-ja/versions.md updated