px_custom_block_on_error_message configuration to display a custom message on block pages served due to an errorNextJSIncomingRequest now preserves the raw URL path without normalization (fixes raw URL tracking for paths containing dots or extra slashes)px_agentic_trust_enabled and px_agentic_trust_mcp_endpoint_path to protect MCP server endpointspx_proxy_url configuration to route outbound requests through an HTTP proxypx_enrich_response_custom_parameters can now populate custom parameters 11 through 20, extracted from the origin responsepx_data_enrichment_header_name configuration to specify the header used for data enrichmentpx_async_timeout configuration that applies to async activities, telemetry, remote logger, and remote configuration requestspx_sensitive_routes, px_enforced_routes, px_filter_by_route, etc.) now accept strings in regex format (e.g. "/^\/api\/.*$/i") in addition to plain strings and RegExp objectsproxy.ts and export const proxy = perimeterx(pxConfig) (or export default) on Next.js 16+; middleware.ts remains supported but is deprecated there.onResponse signature updated for accuracy (changed response parameter to be type NextResponse)_px30.21.413.4.4