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Deprecations

This page lists all deprecations related to Glean's public APIs. Each deprecation includes the date it was introduced, the removal date after which the property will no longer be available, and guidance on what to use instead. See API Evolution & Deprecations for details on how our deprecation process works.

Removal date: 2026-07-15

POST/api/v1/search
Client API
disableSpellcheck

The disableSpellcheck field is deprecated. Use requestOptions.spellcheckMode instead.

Deprecation introduced on
More details

Removal date: 2026-10-15

POST/api/index/v1/indexdocument
Client API
version

The version field is deprecated. Use document.metadata.version for optimistic concurrency control.

Deprecation introduced on
More details
POST/api/v1/search
Client API
clusterType: NONE

The NONE cluster type is deprecated. Omit the clusterType field instead.

Deprecation introduced on

Removal date: 2027-01-15

POST/api/v1/chat
Client API
saveChat

The saveChat field is deprecated. Use chatPersistence instead.

Deprecation introduced on
More details
timeoutMillis

The timeoutMillis field is deprecated. Use requestOptions.timeout instead.

Deprecation introduced on
POST/api/v1/feed
Client API
category: ALL

The ALL category is deprecated. Use MIXED to retrieve all feed types.

Deprecation introduced on

Removal date: 2027-04-15

POST/api/index/v1/indexdocuments
Client API
uploadId

The uploadId field is deprecated. Use batchId for tracking bulk uploads.

Deprecation introduced on
POST/api/v1/autocomplete
Client API
trackingToken

The trackingToken field is deprecated. Use requestId instead for request tracking.

Deprecation introduced on
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