Development is stagnant due to limited access to kernel sources and difficult bootloader unlocking. Most enthusiasts on XDA-Developers focus on rooting or modding the existing ColorOS rather than full ROM replacement.
Disclaimer: This article is for informational purposes. The author and publisher are not responsible for bricked devices, lost data, or voided warranties. Always read XDA threads specific to your device model before proceeding. oppo reno 2 custom rom
You can check your specific software branch and kernel version by dialing Stock Recovery: Development is stagnant due to limited access to