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0.55 - April 2024

Deprecations

@typespec/compiler

#2910 Deprecate @projectedName decorator. @encodedName should be used instead.

Example:
```
@projectedName("json", "exp")
@encodedName("application/json", "exp")
```
#3094 Deprecate @knownValues decorator. Use a named union of string literal with a string variant to achieve the same result without a decorator

Example:
```
enum FooKV { a, b, c}
@knownValues(FooKV)
scalar foo extends string;
union Foo { "a", "b", "c", string }
```

Features

@typespec/compiler

#2992 Enable the use of @encode for model properties that have a union type. This supports cases like @encode("rfc3339") prop: utcDateTime | null

@typespec/versioning

#3053 Add support for versioning of scalars(Added, removed, renamed)

Bug Fixes

@typespec/compiler

#3018 Grammar: Fix comments in template params not tokenized
#3052 Fix: Union template declaration were incorrectly being finished in projection
#2983 Warnings converted to error with warn-as-error do not prevent compilation from moving to the next stage like regular warnings
#3041 Improve reliability of application of codefixes in IDE, often it would not do anything
#3069 TmLanguage: Fix tokenization of escaped identifiers, enums and unions

@typespec/openapi3

#3077 Do not crash if using an unsupported intrinsic type
#2967 Fix crash: emit {nullable: true} when trying to emit null in openapi3
#3013 Fix: OpenAPI3 not marking part of bytes or something else as format: binary
#3090 Fix: Literal unions with the same variants keep adding duplicate entries
#3049 Fix visibility naming conflict when a model used with extends was used in different visibility.

@typespec/eslint-config-typespec

#2122 Ignore generated-defs folder