AWS and Google Cloud officially announced a jointly engineered multicloud

Google Cloud has announced a multi-year partnership with AI coding startup Replit to enhance the use of its cloud offerings and AI models, aiming to support enterprise customers with AI use cases. This collaboration is seen as a strategic move to leverage Replit's platform for coding and development.

ZincFive, a company specializing in nickel-zinc (NiZn) batteries, has successfully closed an oversubscribed $30 million Series F funding round as of December 4, 2025. This funding brings the total raised by the company to $254 million since its inception in 2016, enabling it to expand its commercial operations and manufacturing capabilities.

Karrot has successfully transitioned from its outdated recommendation system to a new scalable feature platform utilizing various AWS services, resulting in a remarkable 70% improvement in conversion rates. This shift addresses previous challenges such as tight coupling, limited scalability, and poor reliability by adopting a distributed, event-driven architecture.

Zenity has announced the integration of its security and governance platform with Amazon Bedrock AgentCore, allowing enterprises to securely build, deploy, and manage AI agents within the AWS ecosystem. This integration is now available on the AWS Marketplace, enhancing visibility and control for users.

London-based Hypercritical has secured £2 million in pre-seed funding to accelerate the development of its foundation model aimed at modernizing software engineering for heavy industry. The funding round was led by Join Capital, reflecting growing investor interest in innovative technology solutions.

A new physics-constrained Hamiltonian learning algorithm has been developed to address the challenges urban transportation systems face from extreme weather events. This algorithm combines structural irreversibility detection and energy landscape reconstruction to reveal hidden structural damage that traditional recovery indicators miss, as demonstrated by its analysis of London's extreme rainfall in 2021, which uncovered 64.8% structural damage despite surface indicators showing full recovery.

AWS has announced enhanced capabilities in Amazon Bedrock and Amazon SageMaker AI, aimed at simplifying the process of building custom AI models. This initiative reflects AWS's commitment to advancing its artificial intelligence offerings and making it easier for developers to create tailored solutions.

AWS has introduced new methods for users to customize AI models through reinforcement fine-tuning, alongside the expansion of the Strands SDK and the introduction of Kiro Powers. These advancements aim to simplify the agent-building process for developers and enterprises, enhancing their ability to tailor AI solutions to specific needs.