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S.optional(S.union(...)) throws

Status: Open.

#178 In DZakh/sury;

· chenglou opened on Feb 19, 2026

Need a way to express that an object field is optional but that the value type isn't

Status: Open.

#177 In DZakh/sury;

· chenglou opened on Feb 19, 2026

How to model A & (B | C)

Status: Open.

#176 In DZakh/sury;

· chenglou opened on Feb 19, 2026

Tree Shaking not working with Tsdown

Status: Open.

#175 In DZakh/sury;

· samchungy opened on Feb 13, 2026

sury-ppx compiler error with phantom types

Status: Open.

#174 In DZakh/sury;

· laurentpayot opened on Feb 12, 2026

Large TS types cause type inference slowdown

Status: Open.

#166 In DZakh/sury;

· chenglou opened on Jan 22, 2026

<code>@s.nullable</code> causes crashes when used for serialization

Status: Open.

#164 In DZakh/sury;

· alex35mil opened on Jan 9, 2026

Cannot use <code>@s.default()</code> or <code>S.option()</code> on variants/unions

Status: Open.

#163 In DZakh/sury;

· benadamstyles opened on Jan 8, 2026

Feature request: PPX support for parametrized types

Status: Open.

#162 In DZakh/sury;

· benadamstyles opened on Jan 7, 2026

[PPX] <code>@s.nullable</code> does not get applied on optional fields

Status: Open.

#161 In DZakh/sury;

· tsnobip opened on Jan 6, 2026

Polymorphic variants with payloads don't seem to be supported by the PPX

good first issueGood for newcomersGood for newcomers

Status: Open.

#160 In DZakh/sury;

· tsnobip opened on Jan 3, 2026

Feature Request: Allow set field schema refinement is associated with

Status: Open.

#158 In DZakh/sury;

· chrchrd opened on Oct 11, 2025