This release fixes the problem of excessive RAM consumption when building the internal cache and incorrect handling of
null values when saving records in the back end.
About Contao 4.9 LTS
The first stable version of Contao 4.9 was released on February 18, 2020, replacing Contao 4.4 as the long term support version. As an LTS version, 4.9 will be provided with bug fixes until February 14, 2023 and security-related updates until February 14, 2024. Contao 4.13 will be the next LTS version of Contao and has been released in February 2022, ensuring a stress-free transition.