v17 Roadmap

[yaacovCR]

Some initial thoughts for PRs to consider for v17 are below. Please add comments for discussion! What would you like to see in v17?

Additional Type or Otherwise Breaking Changes:

• feat: allow symbols as GraphQLSchema extension fields #3511
• Replace 'find{Breaking,Dangerous}Changes' with generic 'findSchemaChanges' #2181

Multiple Packages/Bundling:

• instanceOf: disable dev instanceOf checks if NODE_ENV not set #4188
• implement bundling changes suggested in #4062 #4096
• fix(esm): added export mapping to package.json for proper cjs/esm entrypoints #4081
• fix(jsutils): use optional chaining to prevent crash in browser #4017
• suggestion: alternative check for multiple graphql packages #3915
• feat: replace instanceOf with unique Symbol checks #3617

Coercion/Validation:

• astFromValue - JavaScript BigInt support #4088
• Introduce astFromValueUntyped and handle object values within astFromValue correctly #4087
• RFC: Default value validation & coercion #3814
• Input Value Validation #3813
• Add valueToLiteral() #3812
• Preserve sources of variable values #3811

Possibly Already Fixed?

• getIntrospectionQuery should select kind for all types #3910

Meta-Docs:

• add draft for what's new in v17 #4198
• Upgrade Guides #3366

[jasonkuhrt]

Wonder if we could make the node types not read-only anymore? Wouldn't be a breaking change. Guessing there is a good reason for how it is now, but maybe not?

See #4212