| ⇢ | A | BreakPoint added | |
| A | ↛ | AbstractBufferNode removed | |
| A | ↛ | BufferBreakPoint removed |
| ⇢ | A | BreakPoint::compile() added | |
| ⇢ | A | Node::getExecutionPriority() added | |
| A | ↛ | AbstractBufferNode::__construct() removed | |
| A | ↛ | AbstractBufferNode::getExecutionPriority() removed | |
| A | ↛ | BufferBreakPoint::compile() removed | |
| A | ↛ | Node::getPriority() removed | |
| A | ↛ | AbstractBufferNode::getContextVariableName() removed |