Migrate NSwag core to System.Text.Json (v15) - [WIP]#5355

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RicoSuter wants to merge 10 commits intov15from

feature/migrate-core-to-stj

Commits on Apr 4, 2026

Migrate NSwag.Core from Newtonsoft.Json to System.Text.Json
RicoSuter
committed

Commits on Apr 5, 2026

Fix remaining NSwag.Core test failures for STJ migration
RicoSuter
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Migrate NSwag.Commands from Newtonsoft.Json to System.Text.Json
RicoSuter
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Migrate NSwag.Core.Yaml and NSwag.AspNetCore from Newtonsoft to STJ
RicoSuter
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Remove Newtonsoft.Json dependency from NSwag.Generation
RicoSuter
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Create NSwag.Generation.NewtonsoftJson and remove Newtonsoft from core
RicoSuter
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Migrate test projects from NewtonsoftJson to SystemTextJson schema settings
RicoSuter
committed

Commits on Apr 7, 2026

Fix review findings: null guards, exception safety, YAML types, Newtonsoft removal
RicoSuter
committed

Commits on Apr 21, 2026

Merge remote-tracking branch 'origin/v15' into feature/migrate-core-to-stj
RicoSuter
committed

Commits on Apr 22, 2026

fix snapshots
RicoSuter
committed