Fence Gate/Asset history

Java Edition Beta
November 29, 2010					Fence gates were first mentioned on Get Satisfaction,^[1] then confirmed by Jeb on Twitter.^[2]
1.8		Pre-release			Added fence gates.
1.8		Pre-release			The inventory sprite of fence gates do not have holes.
Sound Update					The opening and closing sounds of fence gates have been changed.
Java Edition
1.0.0		Beta 1.9 Prerelease 5			The texture of fence gates has been changed as a result of the planks texture being updated.
1.0.0		Beta 1.9 Prerelease 6			Fence gates are now broken faster using an axe.
1.1		12w01a			Fence gates now have hitboxes more akin to fences.
1.1		release			Fence gates can now be opened and closed with redstone.
1.4.2		12w34a			Following the introduction of walls, fence gates can now be shifted down 3 pixels to accommodate their shape.
1.4.4		1.4.3			Fence gates, with the exception of closed east-west connected gates, have had UV changes, seemingly to make planks run across the geometry more realistically.
1.8		14w11a			Fence gate models have been updated. Notably, the top texture rotates with the gate itself, making closed north and west facing gates distinguishable from closed south and east facing gates. In addition, wall gates now have the wood texture also shift to accommodate their model.
					The texture of the fence gate inventory icon has been changed. The inventory icon now shows the two holes.
					Fence gates which are closed but receiving redstone power appear open, but are still solid.
		14w17a			The UVs of non-wall gates have changed once more, excluding those facing south and closed. Closed gates facing north and west are once again indistinguishable from those facing south and east.
		14w28b			Powered closed fence gates now appear closed.^[3]
		14w32b			Added birch, spruce, jungle, acacia, and dark oak fence gates.
					The crafting recipe now requires 2 plank blocks of the same species, but a gate and a wooden fence can connect without matching.
					Fence gates can now catch fire.
1.9		15w43a			Fence gates now have their own sounds.
1.13		17w47a			The oak fence gate ID has been changed from `fence_gate` to `oak_fence_gate`.
					Fence gates can now be placed without requiring a block below them.
					Prior to The Flattening, these blocks' numeral IDs were 107, 183, 184, 185, 186 and 187.
1.14		18w43a			The textures of fence gates have been changed.
		18w47a			The textures of fence gates have been changed.
		18w48a			Oak fence gates now generate in the updated plains villages.
		18w49a			Spruce fence gates now generate in the newly added snowy tundra villages.
		18w49a			Acacia fence gates now generate in the updated savanna villages.
		18w50a			Jungle fence gates now generate in the updated desert villages.
					Spruce fence gates now generate in the updated taiga villages.
					The texture of spruce fence gates have been changed.
1.16		20w06a			Added crimson and warped fence gates.
1.19		22w11a			Added mangrove fence gates.
1.19		22w12a			Mangrove fence gates can now be used as a fuel.^[4]
Pocket Edition Alpha
v0.2.0					Added fence gates.
v0.3.0					Survival players no longer start out with an infinite amount of fence gates in the inventory.
v0.4.0					The UV of fence gates has been changed to match Java Edition.
v0.10.0		build 1			Added birch, spruce, jungle, acacia and dark oak fence gates. Note that these are not the textures used at the time, since this version was released in 2014, predating the Texture Update by many years.
					The inventory models of fence gates have been changed to be more akin to the old Java original model.
					"Fence Gate" has been renamed to "Oak Fence Gate".
?					Fence gates can now be shifted down 3 pixels to accommodate the shape of walls.
Bedrock Edition
1.10.0		beta 1.10.0.3			Oak, spruce, jungle, and acacia fence gates now generate in the new villages.
1.10.0		beta 1.10.0.3			The textures of fence gates have been changed.
1.16.0		beta 1.15.0.51			Fence gates can now be placed without a block below them.
1.16.0		beta 1.16.0.51			Added crimson and warped fence gates.
1.16.20		beta 1.16.20.50			Crimson and warped fence gates now uses regular plank sounds instead of their stem variant sounds.
1.19.0		beta 1.19.0.20			Added mangrove fence gates.
Legacy Console Edition
TU5	CU1	1.0	Patch 1	1.0.1	^[verify] Added fence gates. This is not the texture used at the time though.
TU25	CU14	1.17			Added spruce, birch, and jungle fence gates. These are not the textures used at the time.
TU25	CU14	1.17			"Fence Gate" has been renamed to "Oak Fence Gate".
PlayStation 4 Edition
1.90					The textures of fence gates have been changed.
New Nintendo 3DS Edition
0.1.0					Added fence gates, but not with these textures.