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[BUG] NEF Thumbnails generating incorrectly 160x120px #1761

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opened 2026-02-05 03:37:09 +03:00 by OVERLORD · 4 comments
OVERLORD commented 2026-02-05 03:37:09 +03:00
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Originally created by @dunezilla on GitHub (Dec 10, 2023).

The bug

I already posted this bug on discord but thought I would post here for tracking and other users who may be experiencing this bug to know they are not alone.

I am having a problem with NEF files producing very small thumbnails, both the gallery view and the larger thumbnail that is suppose to be 1440p. When I checked the file at the source, it is 160x120.. which of course results in a very small blurry image. Its happening across all my NEF imports. I am currently running thumbnail generation again to see if it fixes the problem, but I can't tell yet as i have a massive library. I've searched a bit and it looks like this was an earlier problem. I am on 1.90.2. All the JPG and DNG work great.

EDIT: running thumbnails again didn’t fix the issue.

The OS that Immich Server is running on

Unraid

Version of Immich Server

1.90.2

Version of Immich Mobile App

1.89.0 build 129

Platform with the issue

  • Server
  • Web
  • Mobile

Your docker-compose.yml content

.

Your .env content

.

Reproduction steps

1.thumbnail generation on NEF files
2.
3.
...

Additional information

No response

Originally created by @dunezilla on GitHub (Dec 10, 2023). ### The bug I already posted this bug on discord but thought I would post here for tracking and other users who may be experiencing this bug to know they are not alone. I am having a problem with NEF files producing very small thumbnails, both the gallery view and the larger thumbnail that is suppose to be 1440p. When I checked the file at the source, it is 160x120.. which of course results in a very small blurry image. Its happening across all my NEF imports. I am currently running thumbnail generation again to see if it fixes the problem, but I can't tell yet as i have a massive library. I've searched a bit and it looks like this was an earlier problem. I am on 1.90.2. All the JPG and DNG work great. EDIT: running thumbnails again didn’t fix the issue. ### The OS that Immich Server is running on Unraid ### Version of Immich Server 1.90.2 ### Version of Immich Mobile App 1.89.0 build 129 ### Platform with the issue - [X] Server - [ ] Web - [ ] Mobile ### Your docker-compose.yml content ```YAML . ``` ### Your .env content ```Shell . ``` ### Reproduction steps ```bash 1.thumbnail generation on NEF files 2. 3. ... ``` ### Additional information _No response_
OVERLORD commented 2026-02-05 03:37:25 +03:00
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@dunezilla commented on GitHub (Dec 10, 2023):

DSC_9178

@dunezilla commented on GitHub (Dec 10, 2023): ![DSC_9178](https://github.com/immich-app/immich/assets/129792033/6e610884-4724-4933-b505-0917ab869ec5)
OVERLORD commented 2026-02-05 03:37:28 +03:00
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@EsOsO commented on GitHub (Dec 12, 2023):

Facing same issue on Unraid, for DNG too.
Run yesterday thumbnail generation on all photos.

Immich Server version 1.90.2
Immich App version 1.90.0 build.130

@EsOsO commented on GitHub (Dec 12, 2023): Facing same issue on Unraid, for DNG too. Run yesterday thumbnail generation on all photos. Immich Server version 1.90.2 Immich App version 1.90.0 build.130
OVERLORD commented 2026-02-05 03:37:32 +03:00
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@alextran1502 commented on GitHub (Dec 12, 2023):

This is a regression upstream, we are looking into this

@alextran1502 commented on GitHub (Dec 12, 2023): This is a regression upstream, we are looking into this
OVERLORD commented 2026-02-05 03:37:37 +03:00
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@mertalev commented on GitHub (Dec 15, 2023):

This is fixed now with #5705.

@mertalev commented on GitHub (Dec 15, 2023): This is fixed now with #5705.
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Reference: immich-app/immich#1761
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