# \#Hololens **URL:** https://discussions.unity.com/tag/hololens/159296.md [Latest](https://discussions.unity.com/latest.md) · [Categories](https://discussions.unity.com/categories.md) · [Tags](https://discussions.unity.com/tags.md) --- ## [QR Code for Anchor Initialization](https://discussions.unity.com/t/qr-code-for-anchor-initialization/1682753)
**Author:** [@JohnnyTurbo](https://discussions.unity.com/u/JohnnyTurbo)\ **Replies:** 18\ **Last updated:** [June 29, 2026, 6:30pm UTC](https://discussions.unity.com/t/qr-code-for-anchor-initialization/1682753 "2026-06-29T18:30:21Z")
Hello all, I’m starting work on an AR project and would like to be able to initialize world anchors based off a QR code or some other “key” object recognized by the headset. This will be shipped on HoloLens 2 but Quest … --- ## [External Control of Hololens 2](https://discussions.unity.com/t/external-control-of-hololens-2/1488699)
**Author:** [@task-master68](https://discussions.unity.com/u/task-master68)\ **Replies:** 2\ **Last updated:** [June 15, 2026, 8:22pm UTC](https://discussions.unity.com/t/external-control-of-hololens-2/1488699 "2026-06-15T20:22:59Z")
Topic: Hololens 2 External Control Is there any way to externally control the holograms within the application from a desktop rather than the headset itself. Basically I am trying to build a solution for patients who wo… --- ## [MRTK3 XR Rig Camera - Clipping Plane not updating in Hololens](https://discussions.unity.com/t/mrtk3-xr-rig-camera-clipping-plane-not-updating-in-hololens/306810)
**Author:** [@apiolBS](https://discussions.unity.com/u/apiolBS)\ **Replies:** 3\ **Last updated:** [April 21, 2026, 8:29pm UTC](https://discussions.unity.com/t/mrtk3-xr-rig-camera-clipping-plane-not-updating-in-hololens/306810 "2026-04-21T20:29:09Z")
I imported the prefab “MRTK XR Rig,” obtained with MRTK3. I use the “Holographic Remote for Play Mode” to launch it directly on Hololens 2. In the main camera I can change the Clipping Plane Far and set it higher than t… --- ## [For HoloLens 2 we cannot update!](https://discussions.unity.com/t/for-hololens-2-we-cannot-update/1688159)
**Author:** [@LocalJoostAugmedit](https://discussions.unity.com/u/LocalJoostAugmedit)\ **Replies:** 1\ **Last updated:** [October 3, 2025, 12:22pm UTC](https://discussions.unity.com/t/for-hololens-2-we-cannot-update/1688159 "2025-10-03T12:22:38Z")
Hey, very nice you fixed that vulnerability, but the first 6000 version being fixed is 58f2, but 49f1 is the last one supporting HoloLens 2. Either Fix 49f1 too Support HoloLens 2 in 58f2 one more time! --- ## [How to read .txt and .csv files with different decimal separators based on the device's culture](https://discussions.unity.com/t/how-to-read-txt-and-csv-files-with-different-decimal-separators-based-on-the-devices-culture/1670939)
**Author:** [@mor\_rob25](https://discussions.unity.com/u/mor_rob25)\ **Replies:** 9\ **Last updated:** [August 4, 2025, 5:14pm UTC](https://discussions.unity.com/t/how-to-read-txt-and-csv-files-with-different-decimal-separators-based-on-the-devices-culture/1670939 "2025-08-04T17:14:08Z")
For my application, I need to read some .txt or .csv files. The application then needs to be compiled for Hololens. The problem is this: in Play mode in Unity, I can read the file using a comma as the decimal separator;… --- ## [HoloLens 2 Deprecation](https://discussions.unity.com/t/hololens-2-deprecation/1661529)
**Author:** [@IsaacsUnity](https://discussions.unity.com/u/IsaacsUnity)\ **Replies:** 0\ **Last updated:** [July 1, 2025, 3:53pm UTC](https://discussions.unity.com/t/hololens-2-deprecation/1661529 "2025-07-01T15:53:54Z")
We would like to inform our community about the deprecation of Unity’s support for HoloLens 2. Starting on July 7th 2025, Unity support for HoloLens 2 is deprecated, and no longer recommended for production. While Holo… --- ## [Request for advice on anchoring on Hololens 2 Unity 2022.3.59f1](https://discussions.unity.com/t/request-for-advice-on-anchoring-on-hololens-2-unity-2022-3-59f1/1631117)
**Author:** [@Hellboy1999](https://discussions.unity.com/u/Hellboy1999)\ **Replies:** 4\ **Last updated:** [May 16, 2025, 11:59am UTC](https://discussions.unity.com/t/request-for-advice-on-anchoring-on-hololens-2-unity-2022-3-59f1/1631117 "2025-05-16T11:59:29Z")
Hello everyone, I am using Unity 2022.3.59f1 on Hololens 2 and would like to anchor a game object in the room so that it remains in the same place in the room after restarting the app. I have tried a lot of things (ARA… --- ## [MRTK 3 Pinch Recognition In HoloLens 2](https://discussions.unity.com/t/mrtk-3-pinch-recognition-in-hololens-2/1551818)
**Author:** [@Loer999](https://discussions.unity.com/u/Loer999)\ **Replies:** 1\ **Last updated:** [March 25, 2025, 4:24pm UTC](https://discussions.unity.com/t/mrtk-3-pinch-recognition-in-hololens-2/1551818 "2025-03-25T16:24:28Z")
Hi everyone, this is my first time posting here. I am optimizing a HoloLens 2 application developed with MRTK 3, and I have been trying to improve the sensitivity of pinch recognition. In other words, what I wish to ach… --- ## [TouchScreenKeyboard settings in XR](https://discussions.unity.com/t/touchscreenkeyboard-settings-in-xr/1620489)
**Author:** [@Maeslezo](https://discussions.unity.com/u/Maeslezo)\ **Replies:** 0\ **Last updated:** [March 24, 2025, 3:19pm UTC](https://discussions.unity.com/t/touchscreenkeyboard-settings-in-xr/1620489 "2025-03-24T15:19:41Z")
Hi all, When you click in a input box, TMP calls TouchScreenKeyboard. In Meta, the virtual keyboard is blocking the background app, so you can only interact with the keyboard. When you close the keyboard, you can intera… --- ## [Hololens Virtual Keyboard breaks its connection with Input field](https://discussions.unity.com/t/hololens-virtual-keyboard-breaks-its-connection-with-input-field/1619059)
**Author:** [@Maeslezo](https://discussions.unity.com/u/Maeslezo)\ **Replies:** 0\ **Last updated:** [March 21, 2025, 9:44am UTC](https://discussions.unity.com/t/hololens-virtual-keyboard-breaks-its-connection-with-input-field/1619059 "2025-03-21T09:44:46Z")
In Hololens2, you can click on a input field and you’ll get the Virtual Keyboard, so you can type in and you’ll get the input in your input field. However, randomly, that connection gets broken, so the input field is sel… --- ## [Stencil Mask Works in Editor but Fails on HoloLens (Holographic Remoting)](https://discussions.unity.com/t/stencil-mask-works-in-editor-but-fails-on-hololens-holographic-remoting/1618636)
**Author:** [@KostasGR20](https://discussions.unity.com/u/KostasGR20)\ **Replies:** 0\ **Last updated:** [March 20, 2025, 1:03pm UTC](https://discussions.unity.com/t/stencil-mask-works-in-editor-but-fails-on-hololens-holographic-remoting/1618636 "2025-03-20T13:03:55Z")
I’m developing for HoloLens in Unity (using OpenXR / Windows Mixed Reality) and have a stencil mask shader that functions correctly in the Unity Editor. However, when I run the same project through Holographic Remoting o… --- ## [PhotoCapture/VideoCapture Problems](https://discussions.unity.com/t/photocapture-videocapture-problems/1587195)
**Author:** [@hd1](https://discussions.unity.com/u/hd1)\ **Replies:** 18\ **Last updated:** [March 11, 2025, 2:10pm UTC](https://discussions.unity.com/t/photocapture-videocapture-problems/1587195 "2025-03-11T14:10:00Z")
Hello, I am currently in the process of setting up the holographic camera for a unity project where I’m taking mixed reality images and videos. The issue that I am encountering is that when I activate the picture/record… --- ## [Ceating a digital twin of nao robot with unity for hololens...how?](https://discussions.unity.com/t/ceating-a-digital-twin-of-nao-robot-with-unity-for-hololens-how/271093)
**Author:** [@simalyucel](https://discussions.unity.com/u/simalyucel)\ **Replies:** 1\ **Last updated:** [March 10, 2025, 12:35pm UTC](https://discussions.unity.com/t/ceating-a-digital-twin-of-nao-robot-with-unity-for-hololens-how/271093 "2025-03-10T12:35:08Z")
hey guys. i created a 3d model in unity to manipulate via hololens 2. when i put on hololens and open the project i see a 3d model in tpose and i can manipulate its arms up and down. what i want is to connect this mnipul… --- ## [Persist ARAnchors in Unity for Hololens 2 application](https://discussions.unity.com/t/persist-aranchors-in-unity-for-hololens-2-application/940612)
**Author:** [@llizzyff](https://discussions.unity.com/u/llizzyff)\ **Replies:** 11\ **Last updated:** [February 18, 2025, 9:35am UTC](https://discussions.unity.com/t/persist-aranchors-in-unity-for-hololens-2-application/940612 "2025-02-18T09:35:47Z")
Hello everyone, We make an application where we want to persist gameobjects in Unity with ARAnchors so that GameObjects stay on the same place between sessions of the application. We are building via UWP to the Hololens… --- ## [I can't open Unity app in Hololens 2](https://discussions.unity.com/t/i-cant-open-unity-app-in-hololens-2/1512407)
**Author:** [@rajabboy09](https://discussions.unity.com/u/rajabboy09)\ **Replies:** 1\ **Last updated:** [February 6, 2025, 7:53am UTC](https://discussions.unity.com/t/i-cant-open-unity-app-in-hololens-2/1512407 "2025-02-06T07:53:56Z")
I made an app in Unity and installed it on Hololens 2. Everything was successful. But when I launch the app, a blue box appears and the app starts to launch. At this point, the Hololens will reboot and the windows logo w… --- ## [Applying NavMesh to the spatial mesh obtained through spatial recognition using MRTK3](https://discussions.unity.com/t/applying-navmesh-to-the-spatial-mesh-obtained-through-spatial-recognition-using-mrtk3/1565793)
**Author:** [@RyuOku425](https://discussions.unity.com/u/RyuOku425)\ **Replies:** 2\ **Last updated:** [December 20, 2024, 12:32pm UTC](https://discussions.unity.com/t/applying-navmesh-to-the-spatial-mesh-obtained-through-spatial-recognition-using-mrtk3/1565793 "2024-12-20T12:32:31Z")
Nice to meet you. I am currently trying to apply NavMesh to the spatial mesh obtained by spatial recognition using unity2022.3.52 and MRTK3. I would be grateful for your help. I’m trying to apply NavMesh using the attac… --- ## [HoloLens 2 Peer to Peer Network](https://discussions.unity.com/t/hololens-2-peer-to-peer-network/1565268)
**Author:** [@NSSI\_iLab](https://discussions.unity.com/u/NSSI_iLab)\ **Replies:** 6\ **Last updated:** [December 6, 2024, 10:53pm UTC](https://discussions.unity.com/t/hololens-2-peer-to-peer-network/1565268 "2024-12-06T22:53:35Z")
Dear All, I am currently working on setting up a peer-to-peer connection on a HoloLens 2 device and exploring the use of Purrnet for this purpose. However, I am encountering challenges with certain MRTK interactions not… --- ## [3D Quad not visible on Hololens2](https://discussions.unity.com/t/3d-quad-not-visible-on-hololens2/1570865)
**Author:** [@Maja111185](https://discussions.unity.com/u/Maja111185)\ **Replies:** 0\ **Last updated:** [December 16, 2024, 12:58pm UTC](https://discussions.unity.com/t/3d-quad-not-visible-on-hololens2/1570865 "2024-12-16T12:58:37Z")
Hi, I’m currently working on a project in Unity, but I’m still relatively inexperienced, so I have a question. I placed a UI button on a canvas, which is also displayed on the Hololens2. For this purpose, I have created … --- ## [Hololens 2 shared experience](https://discussions.unity.com/t/hololens-2-shared-experience/1562048)
**Author:** [@mihailmi](https://discussions.unity.com/u/mihailmi)\ **Replies:** 1\ **Last updated:** [November 30, 2024, 4:21pm UTC](https://discussions.unity.com/t/hololens-2-shared-experience/1562048 "2024-11-30T16:21:51Z")
I am trying to develop an app for hololens 2 devices. the app should allow the users to interact one at a time with a gameobject (i started with a simple cube). I use mrtk3 object manipulator component to interact with t… --- ## [HoloLens2: XR Interaction Toolkit - Hands Interaction Demo only shows controllers](https://discussions.unity.com/t/hololens2-xr-interaction-toolkit-hands-interaction-demo-only-shows-controllers/1491006)
**Author:** [@dklee7](https://discussions.unity.com/u/dklee7)\ **Replies:** 3\ **Last updated:** [October 29, 2024, 1:41pm UTC](https://discussions.unity.com/t/hololens2-xr-interaction-toolkit-hands-interaction-demo-only-shows-controllers/1491006 "2024-10-29T13:41:58Z")
I’m currently developing on Windows for a HoloLens2 application, using: Unity 2022.3.19f1 OpenXR Plugin 1.9.1 Mixed Reality OpenXR Plugin 1.10.1 XR Hands 1.4.1 XR Interaction Toolkit 3.0.4 When deploying to the Hol… --- ## [Onnximportexception: out of memory when trying to load model](https://discussions.unity.com/t/onnximportexception-out-of-memory-when-trying-to-load-model/1533444)
**Author:** [@LukeUnity7](https://discussions.unity.com/u/LukeUnity7)\ **Replies:** 0\ **Last updated:** [October 9, 2024, 8:43pm UTC](https://discussions.unity.com/t/onnximportexception-out-of-memory-when-trying-to-load-model/1533444 "2024-10-09T20:43:27Z")
I am trying to import a deeplabv3.onnx ML model into unity to use it to make inferences on images and return images. I am trying to use unity barracuda to accomplish this. The onnx file is itself 238 MB. When importing… --- ## [How do I hide my virtual objects behind real-life objects using MRTK 3?](https://discussions.unity.com/t/how-do-i-hide-my-virtual-objects-behind-real-life-objects-using-mrtk-3/1532417)
**Author:** [@smg\_inegi](https://discussions.unity.com/u/smg_inegi)\ **Replies:** 0\ **Last updated:** [October 8, 2024, 9:45am UTC](https://discussions.unity.com/t/how-do-i-hide-my-virtual-objects-behind-real-life-objects-using-mrtk-3/1532417 "2024-10-08T09:45:01Z")
Hello! I have a unity app for hololens where I use MRTK 3. In my app I have an avatar (that I don’t control, I just see it move around) that moves around and a few buttons. I would like to ask, how do I make my avatar … --- ## [Are there any minimum mobile GPU requirements for UIToolkit?](https://discussions.unity.com/t/are-there-any-minimum-mobile-gpu-requirements-for-uitoolkit/1524338)
**Author:** [@riferangelku](https://discussions.unity.com/u/riferangelku)\ **Replies:** 1\ **Last updated:** [September 23, 2024, 3:42pm UTC](https://discussions.unity.com/t/are-there-any-minimum-mobile-gpu-requirements-for-uitoolkit/1524338 "2024-09-23T15:42:07Z")
Are the mobile GPU requirements for UIToolkit documented somewhere? I am looking for a document where the minimum requirements for UIToolkit optimal performance by mobile chipset is documented but haven’t been able to fi… --- ## [unity gameobject invisible in HoloLens 2 after deployment](https://discussions.unity.com/t/unity-gameobject-invisible-in-hololens-2-after-deployment/935574)
**Author:** [@rsy092736](https://discussions.unity.com/u/rsy092736)\ **Replies:** 3\ **Last updated:** [August 30, 2024, 11:07am UTC](https://discussions.unity.com/t/unity-gameobject-invisible-in-hololens-2-after-deployment/935574 "2024-08-30T11:07:43Z")
I just started using unity to develop a small app for HoloLens 2 in my uni project. I created some simple unity projects and deployed them to HoloLens 2, the deployments were successful but after that, none of my objects… --- ## [Unity XR Near-Far Interactor](https://discussions.unity.com/t/unity-xr-near-far-interactor/1499825)
**Author:** [@dklee7](https://discussions.unity.com/u/dklee7)\ **Replies:** 1\ **Last updated:** [August 9, 2024, 5:26pm UTC](https://discussions.unity.com/t/unity-xr-near-far-interactor/1499825 "2024-08-09T17:26:16Z")
I’m having some strange issues with my HoloLens app. I have a prefab with a collider that I’m generating at runtime (could be 10s-1000s). When using the near-far interactor with hands, the collider of the object never al… --- ## [The project builds but does not run on HoloLens](https://discussions.unity.com/t/the-project-builds-but-does-not-run-on-hololens/1500692)
**Author:** [@unity\_B4A0B6A0E14FC58272F5](https://discussions.unity.com/u/unity_B4A0B6A0E14FC58272F5)\ **Replies:** 0\ **Last updated:** [August 9, 2024, 7:25am UTC](https://discussions.unity.com/t/the-project-builds-but-does-not-run-on-hololens/1500692 "2024-08-09T07:25:00Z")
I have a project where a VuMark scan triggers a timeline canvas to appear in HoloLens, using Unity 2022.3.25f1, MRTK3, and Microsoft Visual Studio 2022. The Unity project is built on UWP and operates within HoloLens. Add… --- ## [WorldAnchorTransferBacth Equivalent & Samples in OpenXR / Mixed Reality OpenXR Plugin](https://discussions.unity.com/t/worldanchortransferbacth-equivalent-samples-in-openxr-mixed-reality-openxr-plugin/1499551)
**Author:** [@StepanStulovBiontechDe](https://discussions.unity.com/u/StepanStulovBiontechDe)\ **Replies:** 0\ **Last updated:** [August 7, 2024, 12:53pm UTC](https://discussions.unity.com/t/worldanchortransferbacth-equivalent-samples-in-openxr-mixed-reality-openxr-plugin/1499551 "2024-08-07T12:53:38Z")
Hello. We’re migrating from Unity 2019 and trying to find the exact equivalent to 2019’s WorldAnchorTransferBatch class for HoloLens, where we were able to implement a full anchors-file-anchors roundtrip. There is this… --- ## [Hololens 2 locatable camera PhotoCapture with location data: How to get 3D location from photo pixel](https://discussions.unity.com/t/hololens-2-locatable-camera-photocapture-with-location-data-how-to-get-3d-location-from-photo-pixel/892103)
**Author:** [@Horst\_IGD](https://discussions.unity.com/u/Horst_IGD)\ **Replies:** 2\ **Last updated:** [July 30, 2024, 10:09am UTC](https://discussions.unity.com/t/hololens-2-locatable-camera-photocapture-with-location-data-how-to-get-3d-location-from-photo-pixel/892103 "2024-07-30T10:09:01Z")
Hello dear Hololens 2 fellows, first of all, thank you very much for reading through my issue! What I am trying right now is the following: Obtaining a photo from the locatable camera of the Hololens 2. Finding a spec… --- ## [Info: LINK : fatal error LNK1181: cannot open input file 'ucrt.lib' Hololens 2 Build Issue](https://discussions.unity.com/t/info-link-fatal-error-lnk1181-cannot-open-input-file-ucrt-lib-hololens-2-build-issue/950584)
**Author:** [@faysalfdt](https://discussions.unity.com/u/faysalfdt)\ **Replies:** 6\ **Last updated:** [July 19, 2024, 9:13pm UTC](https://discussions.unity.com/t/info-link-fatal-error-lnk1181-cannot-open-input-file-ucrt-lib-hololens-2-build-issue/950584 "2024-07-19T21:13:15Z")
So I’m currently dealing with this issue after installing everything I thought I needed for HL2 support Building Library\\Bee\\artifacts\\UWPPlayerBuildProgram\\AsyncPluginsFromLinker failed with output: UnityEditor.Build.… --- ## [Object manipulator MRTK3](https://discussions.unity.com/t/object-manipulator-mrtk3/320706)
**Author:** [@Nico\_Paroli](https://discussions.unity.com/u/Nico_Paroli)\ **Replies:** 1\ **Last updated:** [June 14, 2024, 10:03am UTC](https://discussions.unity.com/t/object-manipulator-mrtk3/320706 "2024-06-14T10:03:04Z")
Hi everyone, I have been creating an app for Hololens2 with the MRTKs 3 and i have found a problem which I am not able to solve. basically my problem is that when I move from one scene to another through the scripts bel… [Next page](https://discussions.unity.com/tag/hololens/159296.md?match_all_tags=true&page=1&tags%5B%5D=Hololens)