| Name | Affected User Group | Date |
|---|---|---|
| Resubmitting Reportable Events | Applicants & REBs | November 29, 2018 |
| January 2019 Release Notes | Applicants REBs | January 30, 2019 |
| Mandatory Use of CTO ICF Template | Applicants | February 7, 2019 |
| Reminder: Mandatory use of CTO ICF Template | Applicants REBs | April 2, 2019 |
| Final Reminder: Mandatory use of CTO ICF Template | Applicants REBs | April 23, 2019 |
| Assigning Applications to a Meeting | REBs | July 10, 2019 |
| Managing User Access in CTO Stream | Applicants | July 16, 2019 |
| August 2019 Release Notes | Applicants & REBs | August 7, 2019 |
| September 2019 Release Notes | Applicants & REBs | September 4, 2019 |
| October 2019 Release Notes | Applicants & REBs | October 10, 2019 |
| CTO Launch of Online Helpdesk Announcement | Applicants & REBs | November 12, 2019 |
| November 2019 Release Notes | Applicants REBs | November 15, 2019 |
| New Participation Agreements Executed | Applicants & REBs | February 24, 2020 |
| CTO Stream announcement re: COVID-19 | Applicants & REBs | March 19, 2020 |
| COVID-19 CTO Stream Submissions | Applicants | April 7, 2020 |
| June 2020 Release Notes | REBs | June 5, 2020 |
| Applicant Video Tutorials Now Available Announcement | Applicants | June 16, 2020 |
| REB Video Tutorials Now Available Announcement | REBs | September 10, 2020 |
| September 2020 Release Notes | Applicants | September 29, 2020 |
| October 2020 Release Notes | Applicants | October 21, 2020 |
| Version 21 Forms Update | Applicants REBs | November 17, 2020 |
| Version 21 Update: Change to PIA Question #7.20 | Applicants & REBs | January 7, 2021 |
| January 2021 Release Notes | Applicants REBs | January 13, 2021 |
| Approved Protocol in CR Approval Letters | REBs | January 26, 2021 |
| March 2021 Release Notes | Applicants & REBs | March 17, 2021 |
| April 2021 Release Notes 1 | Applicants | April 12, 2021 |
| April 2021 Release Notes 2 | Applicants | April 28, 2021 |
| Internet Explorer End of Life | Applicants & REBs | May 31, 2021 |
| July 2021 Release Notes 1 | Applicants | July 5, 2021 |
| July 2021 Release Notes 2 | Applicants | July 21, 2021 |
| CTO Mandatory ICF Updated | Applicants & REBs | September 15, 2021 |
| October 2021 Release Notes | Applicants REBs | October 15, 2021 |
| Major Amendment Fees | REBs | October 27, 2021 |
| Reminder: Major Amendment Fees | REBs | November 8, 2021 |
| May 2022 Release Notes | Applicants | May 12, 2022 |
| Abandoned Submissions Workflow | REBs | February 13, 2023 |
| February 2023 Release Notes | REBs | February 22, 2023 |