Categories

Jacar categories — explore the topics A rocket whose eyes follow your cursor.
Technology

XR, AR and VR in 2026: the honest state after the cycle

After the 2023-2024 hype cycle led by Apple Vision Pro, the 2025 valley of disillusionment, and the quiet but real consolidation of Meta Quest 3S and the WebXR stack, it is time to assess honestly where extended reality stands. What works, what has died, what is still alive.

Artificial Intelligence

UX for agents: first design consensus

After two years watching every product invent its own interface for talking to an agent, by January 2026 a stable design consensus is emerging about which patterns work, which do not, and what the average user already expects. Time to write down what has settled.

User Experience

European Accessibility Act: the first year in practice

La obligación del EAA entró en vigor el 28 de junio de 2025. Seis meses después tenemos ya primeros expedientes sancionadores, criterios de enforcement y lecciones operativas para equipos que aún corren detrás del calendario. Lo que sí se audita y lo que todavía no.

User Experience

Accessibility overlays: the 2025 criticisms explained

Accessibility overlays were sold as a magic fix for WCAG and the European EAA directive in one step. In 2025 lawsuits against them have grown and disabled users are speaking out more critically than ever. A look at why they fail and what to do instead.

Software Development

SvelteKit 1.0 a Year Later: Real Adoption and Limits

Almost two years after 1.0, SvelteKit works in production: 30-50% lighter bundles than React, file-based routing, and no-lock-in deployment. It wins for small teams with stack freedom; it loses to Next.js when a team has heavy existing React investment or needs to hire fast.

User Experience

WCAG 2.2: What the New Accessibility Version Brings

WCAG 2.2 (W3C, October 5, 2023) adds 9 criteria to WCAG 2.1: Target Size requires clickable targets of at least 24 by 24 pixels, and Accessible Authentication bans logins that require memorising complex passwords without an alternative. Upgrading from 2.1 AA typically takes 1 to 2 sprints for a medium-size product.