v2.5.1-rc2

Release Notes

⚡️ Enhancement Notes

• Add default_headers init argument to AzureOpenAIGenerator and AzureOpenAIChatGenerator

🐛 Bug Fixes

• Fix the Pipeline visualization issue due to changes in the new release of Mermaid
• Fix Pipeline not running Components with Variadic input even if it received inputs only from a subset of its senders
• The from_dict method of ConditionalRouter now correctly handles the case where the dict passed to it contains the key custom_filters explicitly set to None. Previously this was causing an AttributeError