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Change Log for MCL Developer Documentation

2026-03-09 (4.5.0)

  • Xcelerator gateway will use the "DigiCert TLS RSA4096 Root G5" certificate in the future. Hence, code examples are being updated to use the existing "DigiCert Global Root G2" certificate as well as the new "DigiCert Root CA 2 G5"certificate.
  • Change the gateway URL to Xcelerator gateway instead of Insights Hub Gateway.
  • Minimum required OpenSSL version is updated to 3.5.2 for users using OpenSSL as a security library.
  • Minimum required libCurl version is updated to 8.16.0 for users using libCurl as http client.
  • cJSON library version is upgraded to 1.7.19.

2024-09-01 (4.4.0)

  • cJSON library version is upgraded to 1.7.18.
  • Minimum required OpenSSL version is updated to 3.0.13 for users using OpenSSL as security library.
  • Minimum required libCurl version is updated to 8.6.0 for users using libCurl as http client.
  • QuoVadis Root CA 2 G3" certificate will expire soon, code examples are updated to use existing certificate as well as new certificate i.e. "DigiCert Global Root G2".

2023-04-03 (4.3.4)

  • Insights Hub certificate update information publication

2023-04-03 (4.3.2)

  • Documentation Changes.

2022-03-19 (4.3.2)

  • cJSON library version is upgraded to 1.7.15 since the old version had security vulnerabilities.
  • Minimum required OpenSSL version is updated to 1.1.1m for users using OpenSSL as security library and CMake as the build tool.
  • Minimum required libCurl version is updated to 7.81.0 for users using libCurl as http client and CMake as the build tool.

2021-05-15 (MCL 4.3.1)

  • Updated reference documentation.

2021-03-27 (MCL 4.3.0)

  • Added documentation for mcl_deployment component.
  • Updated reference documentation.

2020-11-28 (MCL 4.2.4)

  • Added documentation for mbedOS port.
  • Updated reference documentation.

2020-10-10 (MCL 4.2.3)

  • Updated reference documentation.

2020-09-05 (MCL 4.2.2)

  • Updated reference documentation.
  • Updated documentation for Sony Spresense port.

2020-06-13 (MCL 4.2.1)

  • Updated documentation for alternative http client and security implementations.
  • Added documentation for Sony Spresense port.

2020-04-16 (MCL 4.2.0)

  • Added MCL Data Point Mapping feature documentation.

2020-03-19 (MCL 4.1.1)

  • Updated doxygen documentation.

2020-03-02 (MCL 4.1.0)

  • Added missing link to data lake reference documentation.
  • Fixed syntax for a header.

2020-02-03 (MCL 4.1.0)

  • Added MCL Data Lake component documentation.

2019-12-06 (MCL 4.0.1)

  • Updated openssl version to 1.1.1d.
  • Updated doxygen documentation.

2019-09-16 (MCL 4.0.0)

  • Public release of the MCL Developer Documentation
Last update: May 27, 2026

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