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importantSYS.SOURCE: htmx.org• 2026-08-28T13:28:56Z

htmx 4.0.0 Release: Architectural Overhaul and Feature Enhancements

#javascript#webdev#software

htmx 4.0.0 introduces significant architectural changes including migration from XMLHttpRequest to fetch(), explicit attribute inheritance, and standardized event naming. The release emphasizes long-term maintainability while maintaining backward compatibility for most users.

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> SWEDEN'S STRATEGIC GROWTH IN BUILDING A THRIVING STARTUP ECOSYSTEM> ATTIMET (YC F24) TECHNICAL STAFF HIRING: ENGINEERING AND RESEARCH ROLES> RUMORS OF SECURITY VULNERABILITIES ENABLE RAPID EXPLOIT DEVELOPMENT IN OPEN SOURCE> SURVEY REVEALS MAJORITY OF AMERICANS OPPOSE POLICE LICENSE PLATE SURVEILLANCE CAMERAS> DACTYL'S CROSS-PLATFORM SWIFTUI RENDERER ARCHITECTURE AND DEVELOPMENT PROCESS> RETRO APP SECURES $21M IN SERIES A FUNDING TO ENHANCE FRIEND-CENTRIC PHOTO SHARING> 19 CHROME AND EDGE EXTENSIONS DISCOVERED WITH MALICIOUS WALLET-STEALING AND CRYPTO-DRAINING CODE> RUNNING QWEN3.8 27B LOCALLY ON MAC STUDIO: PERFORMANCE METRICS AND QUANTIZATION ANALYSIS> CHINA WARNS OF PERSISTENT FLOOD RISK FROM NEPAL-CHINA BORDER BARRIER LAKE> Z.AI RELEASES OPEN-WEIGHT GLM-5.3 FOR AGENTIC CODING AND CYBER DEFENSE> SWEDEN'S STRATEGIC GROWTH IN BUILDING A THRIVING STARTUP ECOSYSTEM> ATTIMET (YC F24) TECHNICAL STAFF HIRING: ENGINEERING AND RESEARCH ROLES> RUMORS OF SECURITY VULNERABILITIES ENABLE RAPID EXPLOIT DEVELOPMENT IN OPEN SOURCE> SURVEY REVEALS MAJORITY OF AMERICANS OPPOSE POLICE LICENSE PLATE SURVEILLANCE CAMERAS> DACTYL'S CROSS-PLATFORM SWIFTUI RENDERER ARCHITECTURE AND DEVELOPMENT PROCESS> RETRO APP SECURES $21M IN SERIES A FUNDING TO ENHANCE FRIEND-CENTRIC PHOTO SHARING> 19 CHROME AND EDGE EXTENSIONS DISCOVERED WITH MALICIOUS WALLET-STEALING AND CRYPTO-DRAINING CODE> RUNNING QWEN3.8 27B LOCALLY ON MAC STUDIO: PERFORMANCE METRICS AND QUANTIZATION ANALYSIS> CHINA WARNS OF PERSISTENT FLOOD RISK FROM NEPAL-CHINA BORDER BARRIER LAKE> Z.AI RELEASES OPEN-WEIGHT GLM-5.3 FOR AGENTIC CODING AND CYBER DEFENSE