MCPE-8139Biome foliage and grass coloration fades at the world border
The biome-specific coloration of foliage and grass fades when near the world border of the 'old' world type, possibly due to a lack of a biome ID past the wall. It can be observed in all biomes, though in most it is only barely perceptible. Making a world infinite does not have any effect on the fading.
I tested this using pre-0.9.0 worlds as well as the current version's 'old' world type. The attached photos show the world border next to a swampland, where the issue is most prominent.
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Deleted comment:
Hi Pat, I haven't had a chance to check this issue, but I'm using this comment (and then deleting it) to ask you a question directly since there's no PM system in the bug tracker and you're the only user watching this issue so there's very little chance anyone else will see it.
Sorry for the long lead up. The question is: would you like me to ask Mojang if you could become an MCPE moderator? No promises I can get anything, it's entirely up to them, but I like your work and think you can do just as good a job (if not better) than the others. This would give you permissions to confirm, link, resolve, assign, edit, label, reopen, etc. all the tickets you've been doing such a good job reviewing and asking us to do 
Deleted comment:
Hi Russell, I got your message.
Yes, I would like that, and I do have a considerable amount of time to moderate this bugtracker. Thanks 
Added relates to link: MCPE-8149Heavy shading on water blocks at the world borderFixed
Removed relates to link: MCPE-8149Heavy shading on water blocks at the world borderFixed
Added affects versions: 0.11.0 Beta 14 0.11.0 0.11.1
Changed description:
The biome-specific coloration of foliage and grass fades when near the world border of the 'old' world type
0I tested this using pre-0.9.0 worlds as well as the current version's 'old' world type. The photos show the world border next to a swampland, where the
The biome-specific coloration of foliage and grass fades when near the world border of the 'old' world type
0I tested this using pre-0.9.0 worlds as well as the current version's 'old' world type. The
Added affects versions: 0.12.3
Resolution: Unresolved → Awaiting Response
Resolution: Awaiting Response → Unresolved
Added affects versions: 0.13.0
Added affects versions: 0.14.0
Added affects versions: 0.14.1
Added affects versions: 0.15.1
Resolution: Unresolved → Awaiting Response
Confirmation Status: Unconfirmed → Confirmed
Added affects versions: 0.16.1
Added labels: awaiting_response1
Resolution: Awaiting Response → Unresolved
Resolution: Unresolved → Cannot Reproduce
Removed labels: awaiting_response1
Added labels: old-world-type grass_block
Removed labels: foliage
Cannot Confirm on Samsung Galaxy Note 5. Android 5.1.1 Version: 0.13.0
Does this bug still appear in 0.13.0? If so please respond.
Confirmed to affect 0.13.0 on iPhone 6+ (iOS 9.1).
Affects 0.15.1. (Tested on Windows 10.)
Please reply and update affected versions if you're still able to reproduce this issue.
Confirmed for 0.16.1.
This ticket has been resolved as 'Cannot Reproduce' as it has no response was received recently.