---
title: Deprecated symbols
framework: coredata
role: collectionGroup
role_heading: API Collection
path: coredata/nsmanagedobjectcontext-deprecated-symbols
---

# Deprecated symbols

Review unsupported symbols and their replacements.

## Topics

### Deprecated type methods

- [new()](coredata/nsmanagedobjectcontext/new().md)

### Deprecated instance methods

- [init(concurrencyType:)](coredata/nsmanagedobjectcontext/init(concurrencytype:).md)
- [init()](coredata/nsmanagedobjectcontext/init().md)
- [lock()](coredata/nsmanagedobjectcontext/lock().md)
- [tryLock()](coredata/nsmanagedobjectcontext/trylock().md)
- [unlock()](coredata/nsmanagedobjectcontext/unlock().md)