[Google Pixel 4 XL ROMs, Kernels, Recoveries, & Oth] Sultanxda:
Changelog:

June 16, 2022:

*Fixed rare random reboot into the bootloader when turning on or rebooting the phone sometimes

*Fixed several rare random reboots during normal usage, caused by PREEMPT_RT

Old changelogs:

June 1, 2022:

*Fixed random reboots introduced in the previous build

May 11, 2022:

*Fixed performance regression that worsened GeekBench scores

*Fixed very rare random reboots caused by zRAM

*Fixed potential lags when exiting the camera

*Now built with GCC 12.1 instead of 11.3

May 4, 2022:

*Fixed rare delays of up to 20 seconds when trying to wake the phone from deep sleep

*Improved wake speed when waking the phone while it is entering deep sleep

May 1, 2022:

*Fixed some mistakes related to Pixel Visual Core power management

April 30, 2022:

*Fixed frequent random reboots for users who migrated from Kirisakura

*Removed Android version check from the installer zip

*Fixed random reboots and freezes during deep sleep

April 24, 2022:

*Enabled full real-time preemption (PREEMPT_RT) to make the kernel as responsive and stutter-free as possible

*Optimized several sources of micro-stutters in the kernel

*Switched the deep sleep mode to s2idle, which makes the phone wake up from deep sleep faster

*Improved thermal management by disabling CPU isolation, which was a feature used by the thermal driver that degraded performance while gaming and actually increased heat output

*Improved graphics performance

*Now built with GCC 11.3 instead of 11.1

October 18, 2021:

*Merged September Security Bulletin fixes (October didn't have any kernel changes)

*Improved memory management performance

*Improved system performance while using the camera

*Fixed a regression that caused worsened battery life

*Fixed video calling causing the entire UI to freeze with some apps

August 23, 2021:

*Merged August Security Bulletin fixes

July 25, 2021:

*Fixed front camera not working when using the Social Media Depth feature in Google Camera

July 10, 2021:

*Merged July Security Bulletin fixes

*Now built with GCC 11.1 instead of 10.3

*Improved Simple LMK responsiveness and accuracy, to only kill apps when it's really needed

May 6, 2021:

*Merged May Security Bulletin fixes

*Improved Simple LMK for better memory management (for example, games are less likely to be killed when multitasking while playing)

*Further improved scheduler performance for better overall system performance

*Further improved performance of Unity-based games (such as Genshin Impact)

April 6, 2021:

*Merged April Security Bulletin fixes

*Fixed some apps not working with the previous update

March 21, 2021:

*Improved scheduler performance for better overall system performance

*Improved performance of Unity-based games (such as Genshin Impact)

March 4, 2021:

*Re-enabled BPF JIT compiler to improve gaming and overall system performance

March 1, 2021:

*Merged March Security Bulletin fixes

*Fixed a bug where parts of the screen would erroneously remain dim in some apps

*Improved graphics performance

*Improved storage access latency

*Improved touch latency

*Improved overall system fluidity and power consumption

February 8, 2021:

*Added back missing thermal mitigation drivers to fix overheating

February 6, 2021:

*Merged February Security Bulletin fixes

*Further reduced overall system jitter

January 31, 2021:

*Fixed a bug in the ashmem rewrite that broke some system-wide sound effects

January 30, 2021:

*Added back support for prototype units

*Fixed a scheduler bug that caused random stutters

*Improved overall system fluidity

*Rewrote anonymous shared memory driver (ashmem) for improved graphics performance

January 16, 2021:

*Initial release