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@renovate renovate bot commented Dec 26, 2025

This PR contains the following updates:

Package Change Age Confidence
@bufbuild/protobuf (source) ^1.10.1^2.0.0 age confidence

Release Notes

bufbuild/protobuf-es (@​bufbuild/protobuf)

v2.10.2

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v2.10.1

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New Contributors

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v2.10.0

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v2.9.0

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v2.8.0

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v2.7.0

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[!IMPORTANT]

TypeScript 5.9 includes breaking changes to lib.d.ts, forcing us to change return types for some functions from Uint8Array to Uint8Array<ArrayBuffer>. See #​1200 for details.

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v2.6.3

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v2.6.2

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v2.6.1

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v2.6.0

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v2.5.2

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v2.5.1

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v2.4.0

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v2.3.0

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v2.2.5

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v2.2.4

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v2.2.3

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Full Changelog: bufbuild/protobuf-es@v2.0.0...v2.1.0

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What's new in version 2

To support Protobuf editions, we have to make breaking changes that also affect users of proto2 and proto3. This prompted us to make more extensive changes that take feedback from version 1 into account:

We no longer use classes. Instead, we generate a schema object and a type for every message. To create a new instance, to serialize, and for other concerns, we provide functions. Here is a simple example:

import { create, toBinary } from "@&#8203;bufbuild/protobuf";
import { UserSchema } from "./gen/example_pb";

let user = create(UserSchema, {
  firstName: "Homer",
  lastName: "Simpson",
  active: true,
});

const bytes = toBinary(UserSchema, user);

If you use proto3, messages are now plain objects. Files with proto2 and editions use the prototype chain to track field presence.

This approach solves several outstanding issues, such as:

  • #​397 Provide custom options at runtime
  • #​551 Generated types allow assigning wrong message type if it is a superset of the target type
  • #​414 Improvements for proto2 required
  • #​738 type-save full enum value names
  • #​928 Better interop with 3rd party frameworks requiring plain objects
  • #​508 JSON types

[!TIP]

Take a look at the upgrade guide to learn more.

[!NOTE]

Connect-ES does not support version 2 yet. We will update it shortly.

Contributors

Thanks to @​srikrsna-buf for his contributions to v2!


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@renovate renovate bot force-pushed the renovate/bufbuild-protobuf-2.x branch from ddb6041 to c609de2 Compare December 31, 2025 12:33
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