spacetimedb-upgrade

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Actualizado19 de junio de 2026 a las 06:39

Use when migrating from SpacetimeDB 1.0 to 2.0 or fixing code affected by 2.0 breaking changes. Covers reducer callbacks, event tables, event type changes, subscription API, table accessor naming, database-name connections, `sender()` method, update methods, scheduled functions, private codegen, light mode, `CallReducerFlags`, and confirmed reads. Triggers on: upgrade, migrate, 1.0, 2.0, breaking changes.

Instalación

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Fuente

DanMossa

DanMossa/spacetimedb-skills

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SKILL.md

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name	spacetimedb-upgrade
description	Use when migrating from SpacetimeDB 1.0 to 2.0 or fixing code affected by 2.0 breaking changes. Covers reducer callbacks, event tables, event type changes, subscription API, table accessor naming, database-name connections, `sender()` method, update methods, scheduled functions, private codegen, light mode, `CallReducerFlags`, and confirmed reads. Triggers on: upgrade, migrate, 1.0, 2.0, breaking changes.
license	MIT

Use this skill for SpacetimeDB 1.0 to 2.0 migration work.

Core migration checks

Reducer callbacks changed. Prefer event tables for durable, subscribable result notifications; use per-call _then() style callbacks only when the guide's limitations are acceptable.
Event types changed. Update client event handling before assuming old reducer-result event shapes still exist.
Subscription APIs and table accessor names changed. Regenerate bindings and update calls to the generated names rather than patching guessed identifiers.
Clients connect by database name or identity, not the old module naming assumptions.
In Rust and C++, sender is now a method: use ctx.sender(). TypeScript and C# property syntax is unchanged.
Only primary keys get generated update methods. For other changes, update through the primary-key index or delete and insert when the primary key changes.
Scheduled functions, private codegen, light mode, CallReducerFlags, and confirmed reads all have separate migration notes. Load the guide section before editing those areas.

Reference map

Need	Open
Migration guide and checklist	references/upgrade.md

Guidance

Identify the exact breaking change before editing code; the guide has separate remedies for callbacks, events, subscriptions, table naming, connection names, sender, updates, scheduling, codegen, light mode, flags, and confirmed reads.
Prefer event tables over old reducer callback patterns when the guide recommends them.
Check generated client APIs after changing module names, table accessors, visibility, or private items.

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name	spacetimedb-upgrade
description	Use when migrating from SpacetimeDB 1.0 to 2.0 or fixing code affected by 2.0 breaking changes. Covers reducer callbacks, event tables, event type changes, subscription API, table accessor naming, database-name connections, `sender()` method, update methods, scheduled functions, private codegen, light mode, `CallReducerFlags`, and confirmed reads. Triggers on: upgrade, migrate, 1.0, 2.0, breaking changes.
license	MIT

Use this skill for SpacetimeDB 1.0 to 2.0 migration work.

Core migration checks

Reducer callbacks changed. Prefer event tables for durable, subscribable result notifications; use per-call _then() style callbacks only when the guide's limitations are acceptable.
Event types changed. Update client event handling before assuming old reducer-result event shapes still exist.
Subscription APIs and table accessor names changed. Regenerate bindings and update calls to the generated names rather than patching guessed identifiers.
Clients connect by database name or identity, not the old module naming assumptions.
In Rust and C++, sender is now a method: use ctx.sender(). TypeScript and C# property syntax is unchanged.
Only primary keys get generated update methods. For other changes, update through the primary-key index or delete and insert when the primary key changes.
Scheduled functions, private codegen, light mode, CallReducerFlags, and confirmed reads all have separate migration notes. Load the guide section before editing those areas.

Reference map

Need	Open
Migration guide and checklist	references/upgrade.md

Guidance

Identify the exact breaking change before editing code; the guide has separate remedies for callbacks, events, subscriptions, table naming, connection names, sender, updates, scheduling, codegen, light mode, flags, and confirmed reads.
Prefer event tables over old reducer callback patterns when the guide recommends them.
Check generated client APIs after changing module names, table accessors, visibility, or private items.