Tech lead with more than 20 years of experience in design, development, and business.https://samuelarendt.com.br/https://samuelarendt.com.br/en/blog/en/who-looks-after-the-system-once-the-project-ends/https://samuelarendt.com.br/en/blog/en/who-looks-after-the-system-once-the-project-ends/Closing a project leaves a question open: who follows how the system is used and can fix what did not work? That responsibility needs to be defined before delivery.Tue, 27 Oct 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/accessibility-belongs-in-product-planning/https://samuelarendt.com.br/en/blog/en/accessibility-belongs-in-product-planning/When accessibility is left until the final review, approved decisions may need larger changes. Planning defines when to evaluate, who takes part, and who owns the fixes.Fri, 02 Oct 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/astro-73-custom-integration-logging/https://samuelarendt.com.br/en/blog/en/astro-73-custom-integration-logging/Astro 7.3 passes the runtime logger to custom image services and cache providers. The change matters when those integrations are part of your operational setup.Thu, 01 Oct 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/higher-conversion-can-increase-customer-work/https://samuelarendt.com.br/en/blog/en/higher-conversion-can-increase-customer-work/Conversion measures one step. Errors, requests for help, and maintenance can reveal costs that surface after a product change.Wed, 30 Sep 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/tool-cost-includes-replacement-work/https://samuelarendt.com.br/en/blog/en/tool-cost-includes-replacement-work/The subscription is only part of the bill: data, integrations, contracts, and operations determine the effort required to switch tools.Tue, 29 Sep 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/where-jev-fits-inside-an-ai-agent/https://samuelarendt.com.br/en/blog/en/where-jev-fits-inside-an-ai-agent/Jev handles classifications, scores, and structured choices inside software. The application code still controls actions, limits, and reviews when an answer is uncertain.Sun, 27 Sep 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/a-supported-version-still-calls-for-a-migration-decision/https://samuelarendt.com.br/en/blog/en/a-supported-version-still-calls-for-a-migration-decision/Support reduces the pressure to move today, but it does not resolve dependencies, testing, or the cost of leaving migration until later.Fri, 25 Sep 2026 13:07:01 GMThttps://samuelarendt.com.br/en/blog/en/a-team-does-not-scale-with-centralized-decisions/https://samuelarendt.com.br/en/blog/en/a-team-does-not-scale-with-centralized-decisions/When every technical decision has to pass through one person, the team learns to wait instead of taking responsibility. The problem is in how the work is designed.Tue, 22 Sep 2026 15:57:59 GMThttps://samuelarendt.com.br/en/blog/en/vercel-oauth-integrations/https://samuelarendt.com.br/en/blog/en/vercel-oauth-integrations/The April attack on Vercel exposed a dependency worth reviewing: OAuth integrations. Granting access means deciding who owns it and how to take it away.Thu, 10 Sep 2026 21:44:13 GMThttps://samuelarendt.com.br/en/blog/en/autonomous-agent-can-take-longer/https://samuelarendt.com.br/en/blog/en/autonomous-agent-can-take-longer/Forty minutes of execution plus twenty of correction lose to ten well-directed minutes. The useful measure is time to a correct, accepted result.Thu, 27 Aug 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/php-hiring-is-an-operational-risk/https://samuelarendt.com.br/en/blog/en/php-hiring-is-an-operational-risk/The 2026 PHP Landscape Report describes an experienced workforce with little renewal. The response is to reduce dependency on individuals, not rush into a rewrite.Tue, 14 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/managed-agents-runtime-cost-and-lock-in/https://samuelarendt.com.br/en/blog/en/managed-agents-runtime-cost-and-lock-in/Anthropic's managed offer charges for runtime and includes sandboxing, state, and credentials, shortening deployment while concentrating operations in one provider.Fri, 10 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/webaim-million-cost-of-unreviewed-code/https://samuelarendt.com.br/en/blog/en/webaim-million-cost-of-unreviewed-code/WebAIM found 56.1 detectable errors per home page in 2026. AI can increase output, but accessibility depends on the acceptance bar.Fri, 10 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/css-contrast-color-accessibility-decision/https://samuelarendt.com.br/en/blog/en/css-contrast-color-accessibility-decision/Chrome 147 can choose black or white from a background color, simplifying dynamic components while retaining limits that require progressive enhancement.Thu, 09 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/transparency-moments-in-ai-agent-decisions/https://samuelarendt.com.br/en/blog/en/transparency-moments-in-ai-agent-decisions/Mapping probabilistic decisions helps agent products explain progress, request confirmation, and make outcomes contestable without exposing internal reasoning.Thu, 09 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/php-855-jit-wrong-arithmetic-results/https://samuelarendt.com.br/en/blog/en/php-855-jit-wrong-arithmetic-results/A JIT bug could return incorrect arithmetic values without stopping the process. The incident calls for a configuration inventory and differential tests.Thu, 09 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/wordpress-7-collaboration-admin-ai-connectors/https://samuelarendt.com.br/en/blog/en/wordpress-7-collaboration-admin-ai-connectors/Real-time collaboration, DataViews, and Connectors move WordPress toward a shared platform while adding new requirements for plugins, hosting, and governance.Wed, 08 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/builder-2-collaboration-over-running-code/https://samuelarendt.com.br/en/blog/en/builder-2-collaboration-over-running-code/Builder 2.0 brings product, design, and QA onto the same branch as coding agents, reducing handoffs while moving the bottleneck to review and coordination.Wed, 08 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/claude-mythos-security-capability-and-access/https://samuelarendt.com.br/en/blog/en/claude-mythos-security-capability-and-access/Project Glasswing restricts a model built to find unknown vulnerabilities, showing that evaluation, disclosure, and access have become product concerns.Wed, 08 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/mempalace-domain-expert-software-collaboration/https://samuelarendt.com.br/en/blog/en/mempalace-domain-expert-software-collaboration/The work between Milla Jovovich and Ben Sigman matters less as a curiosity than as a model for turning domain knowledge into a software product.Wed, 08 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/acf-6-8-makes-custom-content-machine-readable/https://samuelarendt.com.br/en/blog/en/acf-6-8-makes-custom-content-machine-readable/Schema.org mapping and Abilities API integration expose WordPress structures to search engines and agents without replacing editorial governance.Wed, 08 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/laravel-13-2-eloquent-model-attributes/https://samuelarendt.com.br/en/blog/en/laravel-13-2-eloquent-model-attributes/New Fillable, Guarded, Hidden, and Table attributes leave Eloquent behavior intact while making configuration and review more explicit in large codebases.Tue, 07 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/figjam-copilot-turns-corporate-context-into-diagrams/https://samuelarendt.com.br/en/blog/en/figjam-copilot-turns-corporate-context-into-diagrams/The Microsoft 365 integration lowers the cost of converting PRDs, email, and chats into diagrams while creating new responsibilities for authorship and maintenance.Tue, 07 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/dynamic-workers-change-agent-tooling/https://samuelarendt.com.br/en/blog/en/dynamic-workers-change-agent-tooling/Cloudflare lets agents load generated code into V8 isolates. The advantage comes from composing calls, provided that network access, bindings, and costs remain constrained.Mon, 06 Apr 2026 17:00:00 GMThttps://samuelarendt.com.br/en/blog/en/fail-closed-governance-for-claude-code/https://samuelarendt.com.br/en/blog/en/fail-closed-governance-for-claude-code/Claude Code 2.1.92 can block startup without current corporate settings, exchanging local convenience for a verifiable access policy.Mon, 06 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/mysql-80-eol-no-new-security-patches/https://samuelarendt.com.br/en/blog/en/mysql-80-eol-no-new-security-patches/MySQL 8.0 reached end of life in April. Moving to 8.4 LTS requires finding forgotten instances, testing real workloads, and preparing a safe rollback.Mon, 06 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/pao-reduces-php-test-output-for-agents/https://samuelarendt.com.br/en/blog/en/pao-reduces-php-test-output-for-agents/The library turns PHPUnit, Pest, and ParaTest output into compact JSON for coding agents, reducing a context cost that grew with every passing test.Sun, 05 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/anthropic-cutoff-third-party-agent-costs/https://samuelarendt.com.br/en/blog/en/anthropic-cutoff-third-party-agent-costs/Ending Claude Code subscription access for tools such as OpenClaw forces companies to separate convenience, API consumption, and financial predictability.Sun, 05 Apr 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/magic-link-does-not-replace-offboarding/https://samuelarendt.com.br/en/blog/en/magic-link-does-not-replace-offboarding/Passwordless login cuts tickets and phishing, but accounts, sessions, and permissions still need an explicit revoke when someone leaves.Fri, 27 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/interop-2026-native-browser-support/https://samuelarendt.com.br/en/blog/en/interop-2026-native-browser-support/Five vendors aligned on 20 areas and measure progress with public tests. Teams can remove polyfills and JavaScript only after validating support for their real audience.Thu, 26 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/sites-measure-conversion-without-tests/https://samuelarendt.com.br/en/blog/en/sites-measure-conversion-without-tests/State of Sites 2026 shows a gap between KPIs and the ability to intervene. Maintenance and small experiments deserve budget before another aesthetic redesign.Thu, 26 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/php-pattern-matching-is-operator/https://samuelarendt.com.br/en/blog/en/php-pattern-matching-is-operator/The is-operator RFC proposes declarative shape checks and value extraction. Still under discussion, it should guide experiments rather than release plans.Thu, 26 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/php-readonly-promoted-reassignment/https://samuelarendt.com.br/en/blog/en/php-readonly-promoted-reassignment/The proposal allows one controlled constructor reassignment to validate or normalize promoted values. The boundary preserves immutability after initialization.Thu, 26 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/claude-code-loop-recurring-monitoring/https://samuelarendt.com.br/en/blog/en/claude-code-loop-recurring-monitoring/Scheduled tasks keep a session watching low-risk signals for up to three days. The design fits triage when limits and escalation are explicit.Thu, 26 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/laravel-cloud-cli-deployment/https://samuelarendt.com.br/en/blog/en/laravel-cloud-cli-deployment/The cloud ship command brings Laravel closer to integrated deployment platforms. Convenience must be compared with scaling costs and portability.Wed, 25 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/claude-code-auto-mode-risk/https://samuelarendt.com.br/en/blog/en/claude-code-auto-mode-risk/Claude Code gained a layer that allows or blocks actions before execution. Fewer interruptions can improve flow, but the classifier does not replace isolation and limits.Wed, 25 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/cloudflare-d1-time-travel-pitr/https://samuelarendt.com.br/en/blog/en/cloudflare-d1-time-travel-pitr/Time Travel restores any minute within retention from the write log and is enabled by default. Recovery still needs a procedure, testing, and a chosen cutover point.Wed, 25 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/consent-performance-budget-c15t/https://samuelarendt.com.br/en/blog/en/consent-performance-budget-c15t/c15t offers a local headless layer with smaller measurements than traditional suites. A fair comparison includes performance, compliance, operations, and legal support.Wed, 25 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/wordpress-studio-webassembly-setup/https://samuelarendt.com.br/en/blog/en/wordpress-studio-webassembly-setup/PHP on WebAssembly, Xdebug, and Blueprints remove part of initial configuration. Native extensions and server integrations still require a real Linux environment.Wed, 25 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/php-86-closure-optimizations/https://samuelarendt.com.br/en/blog/en/php-86-closure-optimizations/Static closure inference and instance caching remove avoidable allocations. The gain is automatic, but an upgrade still requires benchmarks and regression checks.Tue, 24 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/wordpress-70-real-time-performance/https://samuelarendt.com.br/en/blog/en/wordpress-70-real-time-performance/Collaboration polling invalidated query caches because it used post_meta. Disabling the feature in RC1 preserves stability while a dedicated table is evaluated.Tue, 24 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/vercel-emulate-stateful-apis/https://samuelarendt.com.br/en/blog/en/vercel-emulate-stateful-apis/Vercel Labs reproduces APIs with state, OAuth, webhooks, and real transitions on localhost. Fidelity helps CI and agents, while tests must still cover the external service.Tue, 24 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/telex-ai-wordpress-blocks/https://samuelarendt.com.br/en/blog/en/telex-ai-wordpress-blocks/Automattic’s tool generates an installable component and exports its code for review. The value is a shorter cycle, not removing engineering from complex behavior.Tue, 24 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/php-9-bsd-license-legal-debt/https://samuelarendt.com.br/en/blog/en/php-9-bsd-license-legal-debt/The vote replaces two intertwined licenses with BSD-3 from PHP 9 onward. Daily code changes little, while audits and legal compatibility become simpler.Tue, 24 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/figma-canvas-agents-design-rules/https://samuelarendt.com.br/en/blog/en/figma-canvas-agents-design-rules/Figma MCP lets agents create and edit frames with existing components and variables. Teams with documented design systems gain an advantage isolated generation cannot provide.Tue, 24 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/stitch-vibe-design-production-limits/https://samuelarendt.com.br/en/blog/en/stitch-vibe-design-production-limits/Google Stitch compresses ideation and prototyping. Design systems, accessibility, and edge cases still hold the work required to move a screen into production.Mon, 23 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/laravel-skills-versioned-conventions/https://samuelarendt.com.br/en/blog/en/laravel-skills-versioned-conventions/The open directory delivers ecosystem rules to agents on demand. Its value depends on scope, review, and compatibility, like any other dependency.Mon, 23 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/laravel-prompts-cli-streaming/https://samuelarendt.com.br/en/blog/en/laravel-prompts-cli-streaming/Streaming, progress tasks, autocomplete, and notifications narrow the gap between internal scripts and reliable interfaces. UX now affects operational adoption.Mon, 23 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/context-cost-mcp-apis-clis/https://samuelarendt.com.br/en/blog/en/context-cost-mcp-apis-clis/Perplexity stepping back from MCP exposes a rarely measured cost: tool schemas compete with the actual problem. Architecture depends on the active set, not protocol fashion.Fri, 20 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/packagist-transparency-log/https://samuelarendt.com.br/en/blog/en/packagist-transparency-log/Ownership, repository, maintainer, and release changes will gain a public history. Its value appears when teams turn that record into alerts and investigations.Fri, 20 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/bundled-documentation-nextjs-agents/https://samuelarendt.com.br/en/blog/en/bundled-documentation-nextjs-agents/Next.js 16.2 evals show why local, version-matched documentation can outperform on-demand retrieval in coding-agent workflows.Thu, 19 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/wordpress-in-browser-without-hosting/https://samuelarendt.com.br/en/blog/en/wordpress-in-browser-without-hosting/My.WordPress.net turns Playground into a persistent private workspace. It improves prototyping and onboarding, while local storage still sets a clear boundary.Thu, 19 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/laravel-13-passkeys-product-decision/https://samuelarendt.com.br/en/blog/en/laravel-13-passkeys-product-decision/Laravel reduced the engineering work required for passkeys, but account migration, recovery, and support remain product and operational decisions.Thu, 19 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/frankenphp-changes-the-php-runtime/https://samuelarendt.com.br/en/blog/en/frankenphp-changes-the-php-runtime/Worker mode keeps the application in memory while the runtime integrates Caddy features. Gains may be large, but cross-request state requires a careful migration.Sat, 14 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/astro-6-development-meets-the-edge-runtime/https://samuelarendt.com.br/en/blog/en/astro-6-development-meets-the-edge-runtime/The new dev server uses Vite Environment API and can run workerd locally. It reduces runtime differences without removing platform dependencies.Sat, 14 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/wordpress-7-ai-connectors-and-credentials/https://samuelarendt.com.br/en/blog/en/wordpress-7-ai-connectors-and-credentials/Connectors API and WP AI Client create one layer for providers and plugins. Governance improves when credentials, permissions, and usage stop being scattered.Fri, 13 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/multi-agent-code-review-needs-one-standard/https://samuelarendt.com.br/en/blog/en/multi-agent-code-review-needs-one-standard/Claude Code Review distributes a pull request among specialized agents and verifies findings. Its value depends on scope, repository rules, and human triage.Fri, 13 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/php-treats-ai-as-shared-infrastructure/https://samuelarendt.com.br/en/blog/en/php-treats-ai-as-shared-infrastructure/Laravel 13 and WordPress 7 created official layers for AI providers. Their convergence removes local wrappers while increasing responsibility for credentials and operations.Fri, 13 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/vinext-makes-nextjs-lock-in-testable/https://samuelarendt.com.br/en/blog/en/vinext-makes-nextjs-lock-in-testable/Cloudflare reimplemented Next.js APIs on Vite in one week. The experiment lowers the cost of testing portability, but it does not replace a production decision.Thu, 12 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/laravel-13-without-a-painful-migration/https://samuelarendt.com.br/en/blog/en/laravel-13-without-a-painful-migration/Laravel 13 lowers upgrade effort and concentrates new features in incremental APIs. Predictability signals maturity, but migration still requires inventory and testing.Wed, 11 Mar 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/remote-control-for-a-local-coding-agent/https://samuelarendt.com.br/en/blog/en/remote-control-for-a-local-coding-agent/Claude Code Remote Control continues a local session from a phone or browser. Code stays on the machine, while messages, permissions, and availability still require care.Wed, 25 Feb 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/enterprise-ai-governance-around-the-model/https://samuelarendt.com.br/en/blog/en/enterprise-ai-governance-around-the-model/Corporate agent adoption depends on access, distribution, observability, and budgets. Without those controls, a capable model remains an opaque operation.Tue, 24 Feb 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/webmcp-explicit-capabilities-for-web-agents/https://samuelarendt.com.br/en/blog/en/webmcp-explicit-capabilities-for-web-agents/The WebMCP draft lets websites expose JavaScript tools to agents. Smaller contracts may cut interaction cost, while security and broad adoption remain open questions.Mon, 23 Feb 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/code-and-canvas-in-one-decision-cycle/https://samuelarendt.com.br/en/blog/en/code-and-canvas-in-one-decision-cycle/Code to Canvas brings running interfaces into Figma as editable layers and sends decisions back to code. Its value is shared review, not automatic conversion.Wed, 18 Feb 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/lean-context-for-coding-agents/https://samuelarendt.com.br/en/blog/en/lean-context-for-coding-agents/Plugins, MCP servers, and skills consume context before the first task. A project-level inventory preserves signal, lowers cost, and removes unnecessary tools.Tue, 17 Feb 2026 11:00:00 GMThttps://samuelarendt.com.br/en/blog/en/design-as-a-component-repository/https://samuelarendt.com.br/en/blog/en/design-as-a-component-repository/Subframe brings design and code closer by treating components as shared artifacts. The payoff depends on governance, clear boundaries, and predictable synchronization.Fri, 13 Feb 2026 11:00:00 GMT