I've been working on my open source #BlueRetro project for the last three years and wrote a little retrospective:

https://github.com/darthcloud/BlueRetro/discussions/289

BlueRetro v1.6 add support for Wii extension for NES & SNES mini including internal install support! Various other small feature added too.

See https://github.com/darthcloud/BlueRetro/releases/tag/v1.6 for full list.

SNES mini internal install DEMO:

Quick preview of the upcoming BlueRetro internal console mod support:

This is the easy part, still a lot of work to do :)

I made a new entry to my Dev Journal on GitHub about a few issues I had while adding support for N64 mem pak into #BlueRetro on the #ESP32 (<5 min read) 

See: https://github.com/darthcloud/BlueRetro/discussions/37#discussioncomment-2387688

BlueRetro v1.5 + zwenergy's GBAHD , two open source projects running on the same Seeed's SEA board! 

Detailed build instruction:

https://github.com/darthcloud/BlueRetro/wiki/BlueRetro-Consolize-Build-Instructions#game-boy-advance

BlueRetro v1.4 Rework default mapping for PCE, PC-FX, Jaguar, Genesis & Saturn so that main 2 or 3 buttons always map onto the main 4 buttons of modern controller.

Change log:

Wired

• Rework default mapping for PCE, PC-FX, Jaguar, Genesis & Saturn so that main 2 or 3 buttons always map onto the main 4 buttons of modern controller. See:
  https://docs.google.com/spreadsheets/d/e/2PACX-1vT9rPK2__komCjELFpf0UYz0cMWwvhAXgAU7C9nnwtgEaivjsh0q0xeCEiZAMA-paMrneePV7IqdX48/pubhtml
• [PSX] Add support for special accessories on multitap

Bluetooth

• Fix Wiimote horizontal default mapping

BlueRetro v1.3 add support for Virtual Boy! In addition VirtualTap Mode & Palette buttons can be control wirelessly in a consolized VB. See demo and my VB consolize build time lapse:

Bugfixes

• Fix regression from v1.2.1 that broken Wii extension support & PS5 rumble
• [BT] Detect SW ctrls stall and send sniff mode exit to unstall (Fixes #111)

See https://github.com/darthcloud/BlueRetro/releases/tag/v1.2.2

Bugfixes:

• [BT] Add support for 8bitdo Gbros GC adapter via XInput (Fixes #105)
• [XBOX] Fix controller mapping for XBOX FW 4.8.1923.0 (Fixes #124)
  (latest FW 4.8.1923.0 now required for Xbox One S)
• [BT] Stop inquiry after any sucessful connection
• [BT] Handle oversized range in find info state (Fixes #131)
• [BT] Stop strcmp on first device name match (Fixes #124)
• [N64] Emulate rumble pak init properly
• [PS] Fixup voltage fluctuation on data output
• [GC] Fix axis maximum cap (Fixes #97)

See:
https://github.com/darthcloud/BlueRetro/releases/tag/v1.2.1