Create LTSR.md

Author: ptsource

LTSR.md

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+# LTSR
+### Long Term Service Release
+The team behind PTSource Developer Platform is thrilled to announce the release of its Long-Term Service Release (LTSR) version a milestone that reflects stability, reliability, and a 
+bug-free experience. This LTSR release has been rigorously tested and fine-tuned, ensuring a rock-solid foundation for users who depend on consistent and efficient performance. With 
+enhanced compatibility and optimized functionality, Developer Platform LTSR is designed for those who value long-term support without the worry of unexpected issues. It’s the most 
+stable and refined version to date ready to power your workflows with confidence.