Windows Release Notes

2024 Release Notes

• Release 60.15 (Nov 2024)
• Release 60.14 (Nov 2024)
• Release 60.12 (Nov 2024)
• Release 59.35 (Nov 2024)
• Release R59.18 (Oct, 2024)
• Release R59.10 (Oct, 2024)
• Release R59.6 (Sep, 2024)
• Release R58.14 (Sep, 2024)
• Release R58.9 (August 2024)
• Release R58.8 (August 2024)
• Release R57.26 (US Versions, July 2024)
• Release R57.21 (US Versions, July 2024)
• Release R57.16 (US Versions, June 2024)
• Release R57.12 (US Versions, June 2024)
• Release R56.9 (US Versions, April 2024)
• Release R55.26 (US Versions, April 2024)
• Release R55.15 (US Versions, March 2024)
• Release R55.13 (US Versions, March 2024)
• Release R55.12 (US Versions, March 2024)
• Release R54.16 (US Versions, January 2024)
• Release R54.9 (US Versions, January 2024)

2023 US Release Notes

• Release R53.32 (US Versions, December 2023)
• Release R53.26 (US Versions, December 2023)
• Release R53.16 (US Versions, November 2023)
• Release R52.33 (US Versions, October 2023)
• Release R52.28 (US Versions, September 2023)
• Release R52.20 (US Versions, September 2023)
• Release R52.19 (US Versions, September 2023)
• Release R51.12 (US Versions, August 2023)
• Release R51.10 (US Versions, July 2023)
• Release R50.16 (US Versions, July 2023)
• Release R50.15 (US Versions, June 2023)
• Release R50.14 (US Versions, June 2023)
• Release R50.13 (US Versions, June 2023)
• Release R50.8 (US Versions, June 2023)
• Release R50.5 (US Versions, June 2023)
• Release R49.33 (US Versions, May 2023)
• Release R49.29 (US Versions, May 2023)
• Release R49.22 (US Versions, April 2023)
• Release R48.15 (US Versions, March 2023)
• Release R48.9 (US Versions, March 2023)
• Release R48.8 (US Versions, March 2023)
• Release R47.15 (US Versions, February 2023)
• Release R47.11 (US Versions, February 2023)
• Release R47.7 (US Versions, January 2023)
• Release R46.12 (US Versions, January 2023)
• Release R46.9 (US Versions, January 2023)

2022 US Release Notes

• Release R45.21 (US Versions, December 2022)
• Release R45.13 (US Versions, November 2022)
• Release R45.11 (US Versions, November 2022)
• Release R45.7 (US Versions, November 2022)
• Release R44.28 (US Versions, October 2022)
• Release R44.27 (US Versions, October 2022)
• Release R44.25 (US Versions, October 2022)
• Release R44.23 (US Versions, October 2022)
• Release R44.20 (US Versions, September 2022)
• Release R43.32 (US Versions, September 2022)
• Release R43.26 (US Versions, September 2022)
• Release R43.20 (US Versions, September 2022)
• Release R43.14 (US Versions, August 2022)
• Release R42.21 (US Versions, August 2022)
• Release R42.8 (US Versions, July 2022)
• Release R41.19 (US Versions, June 2022)
• Release R41.10 (US Versions, June 2022)
• Release R41.9 (US Versions, June 2022)
• Release R40.21 (US Versions, Apr 2022)
• Release R40.13 (US Versions, Apr 2022)
• Release R39.23 (US Versions, Mar 2022)
• Release R39.21 (US Versions, Mar 2022)
• Release R39.17 (US Versions, Feb 2022)
• Release R38.30 (US Versions, Feb 2022)
• Release R38.29 (US Versions, Feb 2022)
• Release R38.26 (US Versions, Feb 2022)
• Release R38.25 (US Versions, Jan 2022)
• Release R37.67 (US Versions, Jan 2022)
• Release R37.66 (US Versions, Jan 2022)

2021 US Release Notes

• Release R37.64 (US Versions, Dec 2021)
• Release R37.62 (US Versions, Dec 2021)
• Release R36.57 (US Versions, Dec 2021)
• Release R36.56 (US Versions, Dec 2021)
• Release R36.54 (US Versions, Dec 2021)
• Release R36.48 (US Versions, Dec 2021)
• Release R36.45 (US Versions, Nov 2021)
• Release R36.41 (US Versions, Nov 2021)
• Release R36.38 (US Versions, Oct 2021)
• Release R36.23 (US Versions, Oct 2021)
• Release R36.17 (US Versions, Sep 2021)
• Release R35.31 (US Versions, Sep 2021)
• Release R35.26 (US Versions, Aug 2021)
• Release R35.23 (US Versions, Aug 2021)
• Release R34.24 (US Versions, July 2021)
• Release R34.20 (US Versions, July 2021)
• Release R34.19 (US Versions, July 2021)
• Release R34.16 (US Versions, June 2021)
• Release R34.15 (US Versions, June 2021)
• Release R34.13 (US Versions, June 2021)
• Release R33.24 (US Versions, May 2021)
• Release R33.22 (US Versions, May 2021)
• Release R33.19 (US Versions, May 2021)
• Release R32.12 (US Versions, April 2021)
• Release R32.10 (US Versions, March 2021)
• Release R31.20 (US Versions, Feb 2021)
• Release R31.12 (US Versions, Feb 2021)
• Release R31.8 (US Versions, Jan 2021)
• Release R31.6 (US Versions, Jan 2021)
• Release R31.5 (US Versions, Jan 2021)
• Release R30.21 (US Versions, Jan 2021)

2020 US Release Notes

• Release R30.19 (US Versions, Dec 2020)
• Release R30.14 (US Versions, Dec 2020)
• Release R30.10 (US Versions, Nov 2020)
• Release R30.9 (US Versions, Nov 2020)
• Release R29.22 (US Versions, Oct 2020)
• Release R29.20 (US Versions, Oct 2020)
• Release R29.16 (US Versions, Oct 2020)
• Release R29.12 (US Versions, Sep 2020)
• Release R29.9 (US Versions, Sep 2020)
• Release R28.28 (US Versions, Sep 2020)
• Release R28.24 (US Versions, Aug 2020)
• Release R28.23 (US Versions, Aug 2020)
• Release R28.18 (US Versions, Aug 2020)
• Release R28.16 (US Versions, Aug 2020)
• Release R28.10 (US Versions, Aug 2020)
• Release R27.42 (US Versions, July 2020)
• Release R27.28 (US Versions, July 2020)
• Release R27.24 (US Versions, June 2020)
• Release R27.23 (US Versions, June 2020)
• Release R27.20 (US Versions, June 2020)
• Release R26.23 (US Versions, May 2020)
• Release R26.21 (US Versions, May 2020)
• Release R26.17 (US Versions, Apr 2020)
• Release R26.15 (US Versions, Apr 2020)
• Release R26.14 (US Versions, Apr 2020)
• Release R25.21 (US Versions, Mar 2020)
• Release R25.18 (US Versions, Mar 2020)
• Release R25.10 (US Versions, Feb 2020)
• Release R24.14 (US Versions, Jan 2020)
• Release R24.11 (US Versions, Jan 2020)
• Release R23.21 (US Versions, Jan 2020)

2019 US Release Notes

• Release R23.18 (US Versions, Dec 2019)
• Release R23.17 (US Versions, Nov 2019)
• Release R22.17 (US Versions, Oct 2019)
• Release R23.14 (US Versions, Oct 2019)
• Release R22.12 (US Versions, Sept 2019)
• Release R21.17 (US Versions, Aug 2019)
• Release R21.16 (US Versions, Aug 2019)
• Release R21.12 (US Versions, Aug 2019)
• Release R20.15 (US Versions, July 2019)
• Release R19.55 (US Versions, July 2019)
• Release R19.52 (US Versions, June 2019)
• Release R19.44 (US Versions, May 2019)
• Release R18.16 (US Versions, April 2019)
• Release R18.15 (US Versions, Feb 2019)
• Release R18.14 (US Versions, Jan 2019)

2018 US Release Notes

• Release R9.30 (US Versions, May 2018)
• Release R8.10 (US Versions, May 2018)
• Release R8.8 (US Versions, April 2018)
• Release R7.5 (US Versions, March 2018)
• Release R6.11_R6.12 (US Versions, Feb 2018)
• Release R5.20 (US Versions, Feb 2018)
• Release R5.15 (US Versions, Jan 2018)
• Release R4.10 (US Versions, Jan 2018)
• Release R9.33 (US Versions, June 2018)
• Release R9.34 (US Versions, June 2018)
• Release R10.10 (US Versions, June 2018)
• Release R10.11 (US Versions, July 2018)
• Release R11.16 (US Versions, July 2018)
• Release R11.18 (US Versions, Aug 2018)
• Release R11.19 (US Versions, Sept 2018)
• Release R11.20 (US Versions, Sept 2018)
• Release R12.15 (US Versions, Sept 2018)
• Release R14.21 (US Versions, Oct 2018)
• Release R14.23 (US Versions, Oct 2018)
• Release R14.27 (US Versions, Oct 2018)
• Release R15.15 (US Versions, Oct 2018)
• Release R15.16 (US Versions, Oct 2018)
• Release R15.19 (US Versions, Nov 2018)
• Release R16.14 (US Versions, Dec 2018)
• Release R17.5 (US Versions, Dec 2018)
• Release R17.6 (US Versions, Dec 2018)

2017 US Release Notes

• Release R4.6_R4.7 (US Versions, Dec 2017)
• Release R3.4 (US Versions, Dec 2017)
• Release R3 (US Versions, Nov 2017)
• Release R2.2_R2.3 (US Versions, Oct 2017)
• Release R2 (US Versions, Oct 2017)

Canada Release Notes

• Release R55.15 (Canada Versions, March 2024)
• Release R54.17 (Canada Versions, February 2024)
• Release R53.26 (Canada Versions, December 2023)
• Release R53.17 (Canada Versions, November 2023)
• Release R52.28 (Canada Versions, September 2023)
• Release R52.20 (Canada Versions, September 2023)
• Release R51.11 (Canada Versions, July 2023)
• Release R50.9 (Canada Versions, June 2023)
• Release R48.15 (Canada Versions, April 2023)
• Release R45.18 (Canada Versions, November 2022)
• Release R43.14 (Canada Versions, August 2022)
• Release R42.11 (Canada Versions, July 2022)
• Release R41.10 (Canada Versions, June 2022)
• Release R40.28 (Canada Versions, May 2022)
• Release R40.23 (Canada Versions, May 2022)
• Release R33.7 (Canada Versions, May 2021)
• Release R32.10 (Canada Versions, April 2021)
• Release R28.15 (Canada Versions, Oct 2020)
• Release R25.24 (Canada Versions, May 2020)
• Release R25.22 (Canada Versions, Apr 2020)
• Release R25.21 (Canada Versions, Mar 2020)
• Release R25.19 (Canada Versions, Mar 2020)
• Release R22.35 (Canada Versions, Mar 2020)
• Release R22.29 (Canada Versions, Feb 2020)
• Release R22.15 (Canada Versions, Dec 2019)
• Release R22.14 (Canada Versions, Nov 2019)
• Release R22.11 (Canada Versions, Oct 2019)
• Release R19.43 (Canada Versions, Sept 2019)
• Release R19.37 (Canada Versions, August 2019)
• Release R16.22 (Canada Versions, April 2019)
• Release R16.18 (Canada Versions, Mar 2019)
• Release R16.16 (Canada Versions, Jan 2019)
• Release R15.24 (Canada Versions, Nov 2018)
• Release R14.16 (Canada Versions, Nov 2018)
• Release R12.8 (Canada Versions, Sept 2018)
• Release R4.3 (Canada Versions, March 2018)
• Release R3.12 (Canada Versions, Jan 2018)
• Release R2 (Canada Versions, Dec 2017)
• Release R1 (Canada Versions, Dec 2017)