Added info about table prefix syntax to the guide
Corrected theming docs not to give an example of theme view files under webroot
added filterWhere guide.
Fixes #2955: Changed the signature of ActiveQuery constructors and `ActiveRecord::createQuery()` to simplify customizing ActiveQuery classes
Adjusted guide
Fixed typo
Improved action filter and action execution flow by supporting installing action filters at controller, module and application levels
Moved all filter classes to namespace `yii\filters`
Update console-migrate.md

fixes #2989
Refactored rate limiting by turning RateLimiter into an action filter.
refactored authentication filters.
renamed "auth" to "authenticator". [skip ci]
Update logging.md

Currently `Yii::$app->log` is not the `yii\log\Logger`, but the `yii\log\Dispatcher`. Logger is transient component used indirectly and separately by the dispatcher and helper methods for logging.
Clarify new usage of yii\web\View::render()

One paragraph description and one code snippet to clarify usage of yii\web\View::render() in a view context, as using echo is a significant change from partial view usage in Yii 1.1.
doc fix [skip ci]
Very slight edits
Fix "Web"

Because we’re using capital “Web” not “web” (my previous mistake).
Pretty minor edits
More minor edits
Very trivial edits

Still feels like an incomplete, possibly unnecessary, fragment