What's New in Pylint 2.14

Summary -- Release highlights

Added new checker typevar-name-mismatch: TypeVar must be assigned to a variable with the same name as its name argument.

Closes #5224
invalid-enum-extension: Used when a class tries to extend an inherited Enum class.

Closes #5501
Added new checker typevar-double-variance: The "covariant" and "contravariant" keyword arguments cannot both be set to "True" in a TypeVar.

Closes #5895
Add new check unnecessary-dunder-call for unnecessary dunder method calls.

Closes #5936
potential-index-error: Emitted when the index of a list or tuple exceeds its length. This checker is currently quite conservative to avoid false positives. We welcome suggestions for improvements.

Closes #578
Added new checker unnecessary-list-index-lookup for indexing into a list while iterating over enumerate().

Closes #4525
Added new message called duplicate-value which identifies duplicate values inside sets.

Closes #5880

DocStringStyleChecker
- Re-enable checker bad-docstring-quotes for Python <= 3.7.
  
  Closes #6087

Only raise not-callable when all the inferred values of a property are not callable.

Closes #5931
Removed the broken generate-man option.

Closes #5283 Closes #1887
The concept of checker priority has been removed.
Added cache-max-size-none checker will now also check functools.cache.

Closes #5670
The set_config_directly decorator has been removed.
The ignore-mixin-members option has been deprecated. You should now use the new ignored-checks-for-mixins option.

Closes #5205
Fix false negative for no-member when attempting to assign an instance attribute to itself without any prior assignment.

Closes #1555