Fixes#7571: HTTP status 500 and "An internal server error occurred." are now returned in case there was an exception in layout and `YII_DEBUG` is false
- Bug #7603: Fixed escape characters in `FormatConverter` to work with unicode characters (maddoger, cebe)
- Enh #7488: Added `StringHelper::explode` to perform explode with trimming and skipping of empty elements (SilverFire, nineinchnick, creocoder, samdark)
- Enh #7562:`yii help` now lists all sub-commands by default (callmez)
- Enh #7571: HTTP status 500 and "An internal server error occurred." are now returned in case there was an exception in layout and `YII_DEBUG` is false (samdark)
- Enh: Added `yii\helper\Console::wrapText()` method to wrap indented text by console window width and used it in `yii help` command (cebe)
- Chg: Updated dependency to `cebe/markdown` to version `1.1.x` (cebe)