Release Notes & Changelog

✨ Major Highlights & New Features

• High-Resolution Vector Diagram Export: Export complete hierarchical schema diagrams directly to SVG vector graphics, multi-scale PNG bitmaps (1x, 2x Retina, 4x Print), and vector PDF 1.4 documents with zero cropping and auto-fitted page bounds.
• XMLSpy-Style Orthogonal Hierarchical Engine: Straight-line trunk spine routing with circular junction plugs, compositor capsule pills (`Sequence`, `Choice`, `All`), attribute boxes, and type pill badges.
• 7-Day Free Trial & Lifetime Store Pricing: Built-in 7-day unrestricted free trial with encrypted state, transparent $75 Store Lifetime purchase, and offline cryptographic `.glic` volume keys.
• Multi-Architecture WinUI 3 Bundle: Full native support and optimized binary packages for both `x64` and `ARM64` Windows devices.

✨ Major Highlights & New Features

• Preloaded Enterprise Standard Schemas: Added AIXM 5.1.1 (Aviation), NISO STS (Publishing), PBCore 2.1 (Broadcasting), B2MML (Manufacturing ISA-95), ISO 20022 (Banking), SDMX 2.1 (Statistical Data), and ASC X12 EDI 850.
• Non-Overlapping Recursive Layout Engine: Re-engineered diagram layout with 2-pass recursive subtree height measurement, mathematically centering parent nodes and eliminating sibling card overlaps across all depths.
• Solid "About" Dialog & Screen: Added comprehensive about modal dialog inspired by modern enterprise UI with license state, volume tokens, build date, and third-party frameworks.
• XPath 2.0 & Assertion Test Runner: Added interactive live XPath and <xs:assert> evaluation against generated XML mock payloads.
• Multi-File Namespace Topology Graph: Interactive dependency graph for cross-file <xs:import>, <xs:include>, and <xs:redefine> schemas.

⚡ Performance & Reliability Fixes

• Instant Splash Screen Rendering: Eliminated frame-0 flicker and synchronized smooth fade-out with max 2.0s fallback safety timer.
• Zero-Latency Tree Selection: Upgraded tree visual lookups to O(1) dictionary indexing, achieving sub-millisecond selection latency.
• GPU-Accelerated DirectComposition Scrolling: Migrated connector rendering directly to GPU composition layers, providing buttery-smooth 120 FPS panning.
• Zero-Empty-Catch Mandate: Hardened all error handlers with async background logging and local crash dump persistence.

• Visual Logical & Physical Diagram Modeling for W3C XSD 1.0/1.1 schemas.
• Multi-mode XML instance generator (Minimal Skeleton, Full Exemplar, Edge Cases).
• Multi-target code generator for C# POCOs, TypeScript (.d.ts), and HTML docs.
• Bi-directional Monaco/RichEdit source code editor with real-time error squiggles.
• Modern Fluent UI & Mica dark/light theme switching.