A few days back Sony released PS3 Firmware 4.86, and following their previous release today the Rebug Team made available Rebug 4.86.1 LITE (CEX) PS3 CFW with Cobra 8.2 and Toolbox 2.03.04 for those still with a PlayStation 3 console! 
Download: Official – Rebug 4.86.1 LITE – Cobra 8.2 – Toolbox 2.03.04 – April Fools. 2020 / Cobra GIT / Cobra 8.1 GIT / Cobra 8.2 GIT / Rebug Toolbox GIT / Rebug_Toolbox_02.03.05_[Unofficial]_[4.87].zip (3.26 MB) via aldostools
From their blog: THE LATEST REBUG FIRMWARE BUILD
(We are still looking for providers of DEX OFW for future “REX/D-REX” releases)
Stability
(This system software update improves system performance)
REBUG TOOLBOX 2.03.04 MULTI
(The latest REBUG TOOLBOX with Multi Language support -16 languages)
PUP File Details / MD5 Hashes:
Tutorial Install CFW 4.86.1 Rebug Lite on PS3 CFW 4.85 or Lower via donatelo27
Decided to make a small port of IngPereira's dynarec patches to 4.86 rebug rex lite. You can find the offsets here: Pastebin.com
Download: Official – Rebug 4.86.1 LITE – Cobra 8.2 – Toolbox 2.03.04 – April Fools. 2020 / Cobra GIT / Cobra 8.1 GIT / Cobra 8.2 GIT / Rebug Toolbox GIT / Rebug_Toolbox_02.03.05_[Unofficial]_[4.87].zip (3.26 MB) via aldostools
From their blog: THE LATEST REBUG FIRMWARE BUILD
(We are still looking for providers of DEX OFW for future “REX/D-REX” releases)
- LITE COBRA 8.2 EDITION – INSTALL ON CEX PS3 SYSTEM
- REBUG 4.86.1 LITE EDITION – April. 1st 2020
Stability
(This system software update improves system performance)
REBUG TOOLBOX 2.03.04 MULTI
(The latest REBUG TOOLBOX with Multi Language support -16 languages)
PUP File Details / MD5 Hashes:
- REBUG_4.86.1_LITE_PS3UPDAT.PUP: a2c79919cafdbb50ccb5ee9589245380
- REBUG_TOOLBOX_02.03.04.MULTI.16.pkg: 98336ea98987edfb943e7c489751104a
Tutorial Install CFW 4.86.1 Rebug Lite on PS3 CFW 4.85 or Lower via donatelo27
Decided to make a small port of IngPereira's dynarec patches to 4.86 rebug rex lite. You can find the offsets here: Pastebin.com
Code:
// DEFINES FOR 4.86 CFW
#define SYSCALL_BASE 0x8000000000363BE0ULL
#define FS_SYSCALL_RMDIR 813 // Just used to check FW ver
#define RMDIR_SYSCALL_ADDR 0x80000000002A1480ULL // where above syscall is in lv2
#define patch_htab1 0x04064ULL
#define patch_htab2 0x5D5F0ULL
#define patch_htab3 0x5E028ULL
#define patch_htab3 0x5E4F0ULL
#define HV_HASH_OFFSET 0x370F28
// CEX address.
#define HTAB_BASE 0x800000000f000000ULL
#define HTAB_LV2_START 0x01000000ULL // LV2 START OFFSET on RAM
#define HTAB_LV2_END 0x01800000ULL // LV2 END
#define HVSC_SYSCALL_ADDR 0x80000000002A0F58 // 4.21 -- replaces sys_fs_mkdir, later we remove it.