Nether Portals Opacity at 0% on spawn
When a player enters the portal and respawn at the other side this is what can be seen.
The portal keeps blocking the player view until it leaves the portal blocks. On situations where the portal is spawned with an open end to lava this problem becomes very annoying

For comparsion, this is what the player sees after teleporting in the java edition 
Created Issue:
Nether Portals Opacity at 0% on spawn
When a player enters the portal and respawn at the other side this is what can be seen.
The portal keeps blocking the player view until it leaves the portal blocks. On situations where the portal is spawned with an open end to lava this problem becomes very annoying
For comparsion, this is what the player sees after teleporting in the java edition
- Unresolved
- Open
- Unconfirmed
- Windows
- Windows 10 Pro 1903
- 1.14.60 Hotfix
Added Affects Versions: 1.16.0.64 Beta
Added ADO: 380701
Added Affects Versions: 1.16.1
Deleted Comment:
Affects 1.16.100
Affects 1.16.200.56 Beta
Added Affects Versions: 1.16.201 Hotfix
Added Affects Versions: 1.17.11 Hotfix 1.17.30.22 Beta
The label for this is vanilla-parity. The nether portal was not a feature when the bedrock edition began and still needs fixing.
Affects 1.16.1
Affects 1.16.100
Affects 1.16.200.56 Beta
A issue on Java also regarding the nether portal animation is reported at
MC-180.In addition, the following was noted on the Mojira Discord:
Full intensity at entrance, fades out quickly
Does not play at all from the start
No animation at start, but begins to play and stays at full intensity until exiting portal
Remains at full intensity until exiting portal
The vertical line | indicates teleporting to the other dimension.
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Still an issue
Affects 1.17.40.20
Can confirm in 1.20.62