Quantlab release 4143

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A summary of the changes in versions 4134–4143:

Quantlab

  • Fixed parser crashes and JSON handling bugs.
  • Improved support for SSL in HTTP server and client.
  • Optimized operator+ for strings and strcat().
  • Fixed issues with dataset node handling and debugging.
  • License enforcement updated.

Dev UI

  • Fixed UI glitches related to tabs, dialogs, and source configuration.
  • Improved anti-aliasing and general UI aesthetics.
  • Session files now save only on exit or explicit user action.

Financial libraries

  • Enhancements to Stochastic Models: Added and modified various files related to Greek calculations, finite difference methods (1D & 2D), and stochastic simulations (Heston, SABR, Hull-White, etc.).
  • New Features in Instrument Testing Lab: Introduced multiple new files for bond, bond option, callable bond testing, and related market/model state handling.
  • Improvements in Grid Valuation Methods: Updates to grid creation, dividend utilities, and class structures.
  • Monte Carlo and Risk Factor Enhancements: Modifications to MC simulation and series data handling.
  • Bloomberg & Variance Gamma Models: Calibration updates and utility adjustments.
  • General Refinements: Various optimizations, bug fixes, and structural updates across mathematical and stochastic modeling components.
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