v2026.10.04
gohugoio/hugov2026.10.04Oct 4, 2026by knu
Upgrading?
AI Summary
Upgrades the JSON parser to version 3.0.2 and the bundled database to MySQL 8.4 LTS. These changes introduce stricter JSON validation and require careful upgrading of external JSON inputs.
Key Highlights
- Upgrade to JSON 3.0.2 which rejects duplicate object keys and JavaScript-style comments.
- Upgrade bundled database and Docker Compose MySQL services to MySQL 8.4 LTS.
- Deduplication of automatic Agent checks from schedules.
Breaking Changes
- JSON 3.0.2 rejects duplicate object keys and comments by default.
New Features
- MySQL 8.4 LTS support on amd64 and arm64
- Strict JSON validation for external inputs
- Improved navigation labels with translation keys
Full Release Notes
# v2026.10.04 ## Changes - Upgrade to json 3.0.2, which rejects duplicate object keys and JavaScript-style comments by default. - Deduplicate automatic Agent checks from schedules and controller Agents while a check is queued, running, or awaiting retry. [#3767](https://github.com/huginn/huginn/pull/3767) - Move navigation labels to translation keys while preserving the English text. [#3763](https://github.com/huginn/huginn/pull/3763) - Upgrade the bundled database and Docker Compose MySQL services to MySQL 8.4 LTS, with bundled server support on amd64 and arm64. [#3757](https://github.com/huginn/huginn/pull/3757) ## Upgrading Check external JSON inputs for duplicate keys and comments, and review custom Agent gems for json 3 API compatibility. The gem update requires no database migration. See the [JSON upgrade notes](https://github.com/huginn/huginn/blob/v2026.10.04/UPGRADING.md#stricter-json-parsing-with-json-3). Before upgrading a bundled or Docker Compose MySQL database, back it up and follow the [MySQL upgrade guide](https://github.com/huginn/huginn/blob/v2026.10.04/UPGRADING.md#moving-official-images-to-mysql-8). MySQL 5.7 requires an intermediate upgrade to 8.0 before 8.4. **Full Changelog**: https://github.com/huginn/huginn/compare/v2026.09.22...v2026.10.04
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