# Chronicle Release - Version-Related Opcodes

#### ⚡ Restored Functionality

The Chronicle release has restored version-related opcodes that were previously disabled. While full technical specifications are pending, these opcodes are now available:

#### 📋 Pending Detailed Documentation

| **Opcode**   | **Hex** | **General Purpose**                             | **Status**                 |
| ------------ | ------- | ----------------------------------------------- | -------------------------- |
| OP\_VER      | 0x62    | Pushes transaction version number onto stack    | ✅ Restored - Specs Pending |
| OP\_VERIF    | 0x65    | Conditional IF based on transaction version     | ✅ Restored - Specs Pending |
| OP\_VERNOTIF | 0x66    | Conditional NOT-IF based on transaction version | ✅ Restored - Specs Pending |

**For Script Developers:** These version-related opcodes enable transaction-version-aware conditional logic. Complete documentation including detailed behavior specifications, stack interaction patterns, and practical examples will be added as information becomes available. Check the official BSV documentation for the latest specifications.

#### Potential Use Cases (Preliminary)

* **Version-Gated Features:** Scripts that behave differently based on transaction version
* **Protocol Upgrades:** Forward-compatible scripts that adapt to protocol changes
* **Conditional Logic:** Version-aware conditional execution paths
* **Smart Contract Evolution:** Contracts that can upgrade behavior based on transaction version


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