PTC Newsletter Archive

Past PTC Newsletters are listed below:

Most recent newsletter: April 2026 [materials clarification & eBook download reminder]

March 23, 2026 [eBook sunset]

March 17, 2026 [new materials available]

March 11, 2026 [follow-up to error message sent via email]

January 2026

December 2025

October 2025

August 2025

June 2025

May 2025

April 2025

March 2025

January/February 2025

December 2024

November 2024

October 2024

September 2024

July 2024

June 2024

May 2024

April 2024

March 2024

February 2024

January 2024

November 2023

June 2023

May 2023

April 2023

February – March 2023

January 2023

December 2022

October – November 2022

September 2022

August 2022

July 2022

June 2022

April – May 2022

March 2022

February 2022

January 2022

December 2021

October 2021

September 2021

August 2021

July 2021

June 2021