Removed some unnecessary whitespace
Add type hinting for directly injected service $templating
fix typo in code example
Removed warning about using swiftmailer handler with memory spool
Update dynamic_form_modification.rst
No need to set "multiple" and "expanded" to false as the field's type is "entity".
Update dynamic_form_modification.rst
query_builder's callback must return a Doctrine\ORM\QueryBuilder

calling a repository in a "query_builder" callback would result in an exception saying:
Expected argument of type "Doctrine\ORM\QueryBuilder", "array" given
addde a line breaks after the first word that crossed the 72th character
[#2935] Enhancing note about using a repository to build a QB or to just call a function return the QB
Trying to add an accessible definition of the DI in the glossary
Oups fixed a typo :]
Adding some correction
One more correction
[#2941] Fixing some whitespace
Changed $task to $tag

getTags() returns collection of Tag objects therefore you want to add $tag not $task
Added missing tilda (yml config)

The tilda was missing for the YAML configuration.
Merge branch '2.0' into 2.1
Merge branch '2.1' into 2.2
Added @throws phpdoc to Coding Standards example