So, I suppose it's not know when it was cancelled and wheter it was or not. This may be answer why it is not shown yet.
187 was also cancelled, yet it is still greaty classified vehicle.
Just read that the recent Leo's you recieved were upgraded as per polish request. What differences does your Leo's have with othe Leo 2A4
Not upgraded yet, they will be upgraded in nearest future, this year first vehicle should be upgraded for tests purpose.
Below the list of improvements.
Leopard 2PL:
1. Modernization will include rebuild of turrets in to KWS-2 standard (so like Leopard 2A5 and newer variants) it means that EMES-15 primary sight will be raised and it's old window covered with armor, eliminating old weak zone, hull will also be most likely rebuilded.
2. Old special armor will be replaced with new improved one.
3. There will be spall liners inside.
4. Commander PERI-R17 will be replaced with new PERI-R17A3 with "Attica" thermal sight.
5. Driver will receive new vision blocks as well as rear view camera.
6. Turret and hull will receive attachement points for addon armor.
7. FCS will be improved with ability to use designed in Poland programmable multipurpose HE ammunition.
8. Turret traverse and main armament elevation servo's will be replaced from electro-hydraulic to fully electric system.
9. Some other improvements.
This is for basic level of improvements. There are four additional improvement levels.
Level A:
External aditional modular armour on turret front and hull front. APU, STOPFire sytsem, new drivers anti-blast seats.
Level B:
Additional soft kill APS Obra-3 SSP-1 and aditional 16 81mm smoke granades, new inertial navigation system "Tain 30000".
Level C:
EMES-15 improvement by replacing old thermal camera with next generation "Attica" thermal camera. Cooling system for crew and electronics block.
Level D:
Additional RCWS designed in Poland (more info's here: Zdalnie sterowane moduły uzbrojenia OBR SM Tarnów)