Extensions were added twice
Updated changelog
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translated
Adds twig lexerOptions to ViewRendererTest to demonstrate error
Fixes Twig lexerOptions throwing exception (#3877) and adds test for lexerOptions
SluggableBehavior initial implementation
Update CHANGELOG.md
Merge pull request #3912 from thiagotalma/patch-2

Update CHANGELOG.md
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Merge remote-tracking branch 'origin/zh-CN-translation-02' into zh-CN-translation-02

Conflicts:
	docs/guide-zh-CN/concept-di-container.md
proof translation and fix the link [skip ci]
Update start-installation.md
完整的 README 目录翻译
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Update start-installation.md
Merge pull request #3915 from yii2-chinesization/master

proof translation and fix the link for Chinese translation [skip ci]
Merge pull request #3916 from riverlet/zh-CN-translation-02

Zh cn translation 02
Brazilian Portuguese translation of start-installation.md and start-workflow.md