Best of InfoWorld — April 2026

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   InfoWorld·6w

   HTMX 4.0: Hypermedia finds a new gear

   HTMX 4.0 is a major release that replaces the legacy XHR transport layer with the modern Fetch API, enabling native streaming of HTML fragments via ReadableStream. Key changes include: Idiomorph DOM morphing algorithm now bundled in core (was an extension in 2.x), explicit prop inheritance replacing implicit inheritance, removal of the brittle localStorage history engine, status-specific error swapping syntax (e.g. hx-status:404), a new <hx-partial> tag for cleaner multi-target server responses, and native View Transitions API integration. Despite HTMX 2.0 being declared the final version, the team jumped to 4.0 to honor the 'no 3.0' promise while delivering a refactor that adds more power with less complexity, keeping the library at ~14KB.

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   Article

   InfoWorld·7w

   Multi-agent is the new microservices

   Multi-agent AI systems are being over-adopted in the same way microservices were — applied broadly before teams have problems that actually warrant the complexity. Anthropic, OpenAI, Microsoft, and Google all advise starting with the simplest solution: a single optimized LLM call, then retrieval, then tools, then a single agent loop. Only add a second agent when you can clearly identify parallelizable tasks, context pollution, or specialization needs. Multi-agent architectures cost significantly more in tokens, observability, error handling, and maintenance. Most enterprise teams don't yet have problems worth decomposing across agents, and adding agents won't fix weak retrieval, vague tools, or poor documentation — it will amplify those problems.

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   Article

   InfoWorld·7w

   Rust team warns of WebAssembly change

   The Rust team has announced a breaking change for WebAssembly targets: the --allow-undefined flag passed to wasm-ld will be removed, landing in nightly builds soon and shipping with Rust 1.96 on 2026-05-28. This flag has historically allowed undefined symbols to silently become imports rather than linker errors, causing subtle bugs like typos in symbol names producing broken binaries instead of compile-time errors. The change aligns WebAssembly behavior with native platforms, where undefined symbols are errors by default. In practice, most projects are not expected to break, and the change should improve diagnostics for misconfigured builds.

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   InfoWorld·7w

   Bringing databases and Kubernetes together

   Running databases on Kubernetes is increasingly common, but Day 2 operational challenges like backup, failover, and resilience remain difficult. Cloud DBaaS solves these problems but creates vendor lock-in. Kubernetes Operators can provide equivalent functionality without lock-in, but doing so consistently across all databases is hard. Percona's Everest project has been donated to the CNCF and rebranded as OpenEverest — a fully open source platform for automating database provisioning and management on any Kubernetes infrastructure, with community-driven support for additional databases over time.

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   InfoWorld·4w

   The best JavaScript certifications for getting hired

   JavaScript remains the most in-demand programming language for over a decade, and certifications can help candidates stand out in hiring pipelines — especially for early-career developers or career switchers. Experts note that certs are not a primary hiring signal but can serve as a credibility anchor or tie-breaker in high-volume or compliance-driven roles. A curated list of notable JavaScript certifications is provided, including CIW JavaScript Specialist, FreeCodeCamp's JS Algorithms and Data Structures, W3Schools JavaScript Developer Certificate, JS Institute's JSA and JSE certifications, Mimo JavaScript Certification, the now-retired OpenJS JSNAD, and Certificates.dev's Senior JavaScript Developer cert. Strong portfolios with real projects still outweigh certifications in most hiring decisions.

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