Tech Pulse Daily - November 25, 2025

🚨 PostgreSQL 18.1 Security Release - Patch Immediately

CRITICAL: PostgreSQL has released version 18.1 to address CVE-2025-48271, a critical SQL injection vulnerability affecting all 18.x versions.

• CVE-2025-48271: CVSS 9.8 - SQL injection in pg_catalog functions
• Affected Versions: PostgreSQL 18.0 and earlier 18.x releases
• Attack Vector: Remote exploitation possible without authentication
• Mitigation: Upgrade to 18.1 immediately or apply pg_hba.conf restrictions

Read PostgreSQL 18.1 security advisory →

Node.js 23: Native TypeScript Execution

Node.js 23 introduces groundbreaking native TypeScript execution support, eliminating the need for separate compilation steps in development workflows.

• Type Stripping: Run .ts files directly with `node --experimental-strip-types`
• Performance: Near-zero overhead compared to compiled JavaScript
• V8 Engine: Updated to V8 13.0 with improved memory management
• ESM Defaults: ES Modules now default for new projects

Read Node.js 23 release notes →

X-Energy Raises $700M for Modular Nuclear Reactors

X-Energy has secured $700 million in Series C funding to accelerate development of its Xe-100 small modular reactor (SMR) technology for data center power needs.

• Funding Round: $700M Series C led by Amazon Climate Pledge Fund
• Technology: 80MW high-temperature gas-cooled reactors
• Data Center Focus: Partnerships with AWS and Microsoft for carbon-free power
• Timeline: First commercial deployment targeted for 2028

Read about X-Energy's funding round →

AWS Lambda ARM64 Expands to 15 New Regions

Amazon Web Services has expanded AWS Lambda ARM64 (Graviton2) support to 15 additional regions, bringing cost-effective serverless computing to more developers worldwide.

• New Regions: Including Mumbai, Singapore, Sydney, Frankfurt, and more
• Cost Savings: Up to 34% lower cost compared to x86 Lambda functions
• Performance: 20% better price-performance for compute-intensive workloads
• Compatibility: Support for Node.js, Python, Java, .NET, and custom runtimes

View AWS Lambda ARM64 region availability →

Bun 1.2: Native Windows Support

Bun has released version 1.2 with full native Windows support, improved npm compatibility, and new built-in testing features.

• Windows Native: Full support without WSL, matching macOS/Linux performance
• npm Compatibility: 99.8% compatibility with npm ecosystem
• Built-in Testing: New `bun test` with Jest-compatible API
• Package Manager: 2x faster package installation than npm

Read Bun 1.2 release announcement →

Other Notable Updates

Deno 2.1: Deno releases 2.1 with improved Node.js compatibility and new `deno compile` optimizations for smaller binary sizes.

Terraform 2.0: HashiCorp announces Terraform 2.0 with native drift detection and improved state management.

VS Code November: Visual Studio Code November update brings improved GitHub Copilot Chat integration and new debugging features.