ST-2026-236 · SDKs, clients & toolchains
Relativity schedules legacy Object Manager NuGet package removal for 21 September
Relativity deprecated the legacy Relativity.ObjectManager NuGet package on 22 June 2026 and says it will be removed on 21 September 2026, with Relativity.ObjectManager.SDK as the replacement package.
Previous state
Integrations could depend on the legacy Relativity.ObjectManager NuGet package for Object Manager SDK functionality.
Current state
Relativity has deprecated Relativity.ObjectManager and schedules its removal for 21 September 2026, directing integrations to the replacement Relativity.ObjectManager.SDK package.
Affected users
Who needs to care
RelativityOne integrations and build pipelines that still reference the legacy Relativity.ObjectManager NuGet package.
Required response
What to do
Migrate package references and integration testing to Relativity.ObjectManager.SDK before the scheduled 21 September 2026 removal.
Evidence boundary
What the source does not prove
Relativity proves deprecation of the named legacy NuGet package and a scheduled 21 September removal with a named replacement. It does not establish that the package has already been removed before that date or that unrelated Relativity APIs are retiring.
Lifecycle history
Dated event sequence
- Legacy package deprecated
Relativity deprecated Relativity.ObjectManager and identified Relativity.ObjectManager.SDK as the replacement.
- Package removal scheduled
Relativity schedules the legacy Relativity.ObjectManager package for removal.
Evidence ledger
First-party sources
- 01Relativity — RelativityOne What's new
Official RelativityOne developer lifecycle authority · 2026-06-22
Open official source ↗