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Pull request overview

This PR enhances user agent parsing performance through multiple optimizations: reordering detection rules by frequency and specificity, updating to newer .NET SDK and package versions, enabling Dynamic PGO, and adjusting the code coverage threshold. The changes aim to improve parsing speed by ensuring the most common user agents are matched first, reducing unnecessary iterations through the rule arrays.

Key changes:

  • Reordered platform and browser detection rules by frequency and specificity for faster matching
  • Updated .NET SDK to 10.0.101 and various package dependencies to latest versions
  • Enabled TieredPGO and DynamicPGO for runtime performance improvements
  • Reduced code coverage threshold from 100% to 96%

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 4 comments.

Show a summary per file
File Description
src/HttpUserAgentParser/HttpUserAgentStatics.cs Reorganized platform and browser token rules arrays, prioritizing common platforms (Windows 10, Android, iOS) and specific browser tokens before generic ones
src/HttpUserAgentParser/HttpUserAgentParser.cs Minor optimization already implemented - no changes in this PR's diff that need review
global.json Updated .NET SDK version from preview to 10.0.101
README.md Updated benchmark results to reflect performance improvements with new SDK and optimizations
Directory.Packages.props Updated multiple package dependencies to newer versions (BenchmarkDotNet, xunit, Roslyn analyzers, etc.)
Directory.Build.props Added Dynamic PGO configuration and reduced code coverage threshold from 100% to 96%

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@BenjaminAbt BenjaminAbt merged commit fd0094c into main Dec 24, 2025
8 checks passed
@BenjaminAbt BenjaminAbt deleted the feature/add-enhancements branch December 24, 2025 16:59
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2 participants