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Showing content from https://github.com/SonarSource/sonar-dotnet/releases/tag/9.7.0.75501 below:

This release focused on improving the precision of existing rules. We fixed a lot of False Positives, False Negatives, and bugs in Code Fixes.

We also reduced our memory footprint by reducing allocations in the hot path. Thank you @sharwell, for reporting this in #7439 and #7440.

Special thanks to our contributor @nalka0 for the correction of our rule documentation in #7587

Improvements

7462 - [C#] Fix S1125: Codefix should set correct condition priority by adding parentheses.
2618 - [C#] Fix S1125: Faulty code fix on C# pattern matching in conditional operator
7213 - [C#] Improve S109 message

False Positive

7633 - [C#] Fix S4023 FP: Interfaces that provide type parameters from base interface
7629 - [C#] Fix S1186 FP: Empty method comes from interface
7508 - [C#, VB.NET] Fix S6605 FP: Should not fire in expressions
7324 - [C#] Fix S3063 FP: StringBuilder used in concatenation
6912 - [C#] Fix S1144 FP: Unused fields in class with StructLayout
5521 - [C#] Fix S1643 FP: should not apply when strings are not aggregated
3945 - [C#] Fix S3925 FP: Classes not having extra properties should not have to extend ISerializable interface

False Negative

7688 - [C#] Fix S1125 FN: recognize C#9 "is not" constant pattern
2619 - [C#] Fix S1125 FN: recognize "is" keyword with constant pattern
7713 - [C#] Fix S1643 FN: consider simple assignments with variable not on the innermost add expression

Performance

7664 - Allocations: Make IsUnchanged allocation free in the common case
7663 - Allocations: Move stringliteral tokens array to static field
7656 - Allocations: Remove delegate allocation from IsExcluded
7655 - Allocations: Remove delegate allocation from IsGenerated
7440 - Allocations: Unroll AdditionalFile extension method
7439 - Allocations: Avoid capturing and delegate allocations in SonarAnalysisContextBase

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