With approaching another year closer to the Year 2038 problem, where on 19 January 2038 the number of seconds for the Unix timestamp can no longer be stored in a signed 32-bit integer, Linux 5.5 is bringing more Y2038 preparations. Y2038 fixes have been ongoing for years to mitigate the kernel against the Year 2038 problem, particularly for 32-bit platforms. Most of the Year 2038 preparations have been made to the Linux kernel to transition to 64-bit time_t even on 32-bit architectures, among other workarounds.
[Source: Phoronix]