Reduce settings change noise - #14622
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Colengms
previously approved these changes
Jul 29, 2026
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Pull request overview
Reduces unnecessary Language Server settings-change handling by filtering onDidChangeSettings to only run when configuration changes affect relevant settings sections, lowering native-side no-op processing.
Changes:
- Adds
ConfigurationChangeEvent.affectsConfiguration(...)filtering to skip irrelevant configuration change events. - Limits settings-change propagation to the
C_Cpp,files,editor,search, andworkbenchsections (scoped per client root URI).
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sean-mcmanus
previously approved these changes
Jul 29, 2026
bobbrow
enabled auto-merge (squash)
July 30, 2026 18:55
Colengms
approved these changes
Jul 30, 2026
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While testing the other PR for ensuring language client readiness, we saw excessive calls to
onDidChangeSettings. These have been around for a while and it turns out that there is a filtering API on the event that we can use to skip over settings changes that we don't care about. It's not perfectly granular, but does reduce the number of "no op" settings change events we need to process on the native side.Tested with single folder workspace, multi-root workspace, and no folder opened workspace.