0.38.0-rc0

What's Changed

• (feat, python): move to ruff for formatting by @dsinghvi in #4219
• improvement: improve discriminated union object naming by @armandobelardo in #4243
• (feature): Add encoding and source nodes by @amckinney in #4240
• (feat, cli): add has-next-page property to IR by @dsinghvi in #4241
• feat (wip): add playground settings for API playground by @RohinBhargava in #4245
• fix: remove wraps from fastapi validators by @armandobelardo in #4246
• fix: make model_validator take kwargs by @armandobelardo in #4247
• (feat): refactor how pagination properties are checked in fern check by @dsinghvi in #4250
• (feature): Add support for x-fern-encoding by @amckinney in #4249
• (chore): Remove fhir.json by @amckinney in #4253
• c#, improvements: small improvements including marking files internal + client classes partial by @dcb6 in #4248
• c#, improvement: Use FluentAssertions in unit tests by @dcb6 in #4254
• (feat): wire through api workspaces to docs validator by @dsinghvi in #4255
• (feat): upgrade to yarn v4 by @dsinghvi in #4257
• c#, improvements: breaking change with several small improvements by @dcb6 in #4260
• feat, python: add in true forward compat enums by @armandobelardo in #4262
• (feature): Copy source files in seed tests by @amckinney in #4258
• c#, improvement: use string response directly in generic exception by @dcb6 in #4264
• (internal): pnpm migration by @dsinghvi in #4261
• Remove old documentation references from README by @armandobelardo in #4265
• Fix typo in pr-preview.mdx by @zachkirsch in #4235
• (chore): Update pnpm-lock.yaml by @amckinney in #4266
• (fix): run compile on every PR by @dsinghvi in #4267
• (fix): live tests continue to work in the pnpm era by @dsinghvi in #4268
• (chore): Remove all yarn files by @amckinney in #4269
• (chore, ir): Use latest TypeScript generator by @amckinney in #4271
• (chore, ruby): Remove ir-sdk from generator-commons by @amckinney in #4272
• (fix): bump to 53.6.x by @dsinghvi in #4273
• (fix): get seed working by deleting yarn ref by @dsinghvi in #4274
• (feature, csharp): Write Protobuf dependencies in .csproj by @amckinney in #4270
• c#, fix: fix type conflicts by @dcb6 in #4244
• (fix): ir generation for examples is stable so that ete tests work by @dsinghvi in #4276
• fix: add validation around selectable environments for playground settings by @RohinBhargava in #4252
• (chore, csharp): Release 1.2.1 by @amckinney in #4284
• (followup): add tests for playground validation messages by @dsinghvi in #4283
• ir: add shape to ExampleQueryParameter by @dcb6 in #4222
• (fix): eslint is now a required check and will pass by @dsinghvi in #4285

Full Changelog: 0.37.16...0.38.0-rc0