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Releases: CollapseLauncher/Collapse

1.84.4 Stable [Codename: Columbina]

21 Jun 14:35
7becc8b

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UpdateIsAvailable-Campaign-Columbina

Stable 1.84.4 (Codename: Columbina)

Hewwo, it's neon-nyan here~

It's beeeeeen a while since the last 1.83.x update. For now, this release is focusing on more quality improvements, bug fixes and internal code reworks rather than new features as we are preparing on reworking Collapse for new codebase.

That being said, this 1.84 update will be the marked as the last V1 release after roughly 4 years since the start of this project as we are going to move into V2 codebase starting this year (at Q3 or Q4 2026). Thank you so much for your continous support and interest in this project💖

Without further ado, let's dig into what's new in this release so far.

What's new?

Reworked Background System

Since months, HoYoverse has updated HoYoPlay to support multiple background display, including static image and dynamic background ones. This has been our backlog since this release as due to "spaghetti-code" nature of our entire codebase, this made us harder to adapt the changes and thus making Collapse still only support one static background image.

Thanks to this massive rework, we are now able to pull-off this feature by splitting the parts of the code into its own element, making it more easier and more manageable for the change and for incoming improvements.

We are also moving to FFmpeg as our secondary library for background video decoder if no built-in codec is present. You will be prompted to install the FFmpeg library if none of the required built-in Windows Media Foundation codec for VP9 or any codec is present.

FFmpeg is licensed and distributed under GNU Lesser General Public License, version 2.1 (LGPLv2.1). All rights reserved.

2026-06-21.18-35-13.webm

Reworked Localization System #861

This is more like development-experience improvement rather than user focused ones. Previously in order to implement the localization for new elements, we have to manually map each class properties to represented JSON entries. Thanks to newly source-generated class mapper, every JSON entries will be mapped automatically. Each class properties can now be bind into UI element directly, making the UI able to update the visual itself rather than being told manually, one-by-one (which is expensive).

Reworked Download Speed Limiter #859

The feature has been long broken since last 1.83.x release due to inconsistency and changes to other download-related libraries. Even though if you're enabling this feature, you might experience that the download speed "isn't actually being limited" and noticing that your bandwidth is still being fully utilized. This feature should now be fully fixed by decentralizing the code of the feature into its own library and making it easier to maintain.

This feature could also be applied for any game plugins whose have v1-update4 API standard fully implemented.

2026-06-21.19-33-07.webm

Aggressive Cache Mode is Now Enabled by Default for HTTP-related Calls

This feature has been introduced since 1.83. Although, the aggressive cache mode isn't enabled by default. This release bring the feature enabled by default if you haven't change the related settings from the settings. It enables the launcher to re-use API call response which have been written and cached from the disk for certain amount of duration, thus making the HTTP-related calls duration shorter.

If you happened to changed the related settings before, you might need to re-enable it by simply going to the App Settings page -> Search for "HTTP Cache Settings" and make sure to enable both "Cache Mode" and "Aggressive Cache Mode".

image

Minor UI Adjustments

Not so noticeable UI changes at all. But it's worth to mention here.

1. News Carousel Design

image

2. About Card

image

3. New Options for "Advanced Graphics Settings" for Zenless Zone Zero.

In this v3.0 update, ZZZ Team has introduced "Frame Generation" and "Super Scaling" technology for both DLSS and FSR, adding "Ultra" quality option for the Ray Tracing feature and also giving two new option: "Ultra Performance" and "DLAA" for Super Scaling Priority. And so in this release, we are also adding those necessary feature to the Game Settings.

Screen.Recording.2026-06-21.201212.webm

Other New Changes

  • [New] Adding Files Clean-up Button to the Menu Bar, by @bagusnl
image
Read more

1.84.4 Preview [Codename: Columbina]

21 Jun 14:36
15f1704

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Pre-release

UpdateIsAvailable-Campaign-Columbina

Preview 1.84.4 (Codename: Columbina)

What's Changed? - 1.84.4

Known Issue

Unfortunately, there are some known issues that didn't make into this release and still under our investigation, including:

  • Fresh Installation and updates in some games might fail with: "System.FormatException: Unable to guess the format automatically" error if Sophon Download Mode is not enabled.
    • We suggest to re-enable Sophon Download Mode under the App Settings at the moment while we still investigate the issue.

Full Changelog: CL-v1.84.3-pre...CL-v1.84.4-pre

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1.83.18 Stable [Codename: Luna]

10 May 12:25
6fb6845

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What's changed? - 1.83.18

Full Changelog: CL-v1.83.17...CL-v1.83.18

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1.84.3 Preview [Codename: Columbina]

10 May 12:25
9310b63

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Pre-release

UpdateIsAvailable-Campaign-Columbina

Preview 1.84.3 - Emergency Hotfix (Codename: Columbina)

What's changed?

Known Issues

  • [Zenless Zone Zero] Attempts to download all voice packs on update in some occasion.
  • [Honkai: Star Rail] Some users may reported InvalidOperationException: An invalid request URI was provided. Either the request URI must be an absolute URI or BaseAddress must be set. error while performing Game Repair

Full Changelog: CL-v1.84.2-pre...CL-v1.84.3-pre

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1.83.17 Stable [Codename: Luna]

06 May 10:13
cd74667

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UpdateIsAvailable-Campaign

What's changed? - 1.83.17

  • [HSR][Fix] Crash due to Missing URLs on Audio and Video files while performing Game Repair, by @neon-nyan
  • [Plugin][Fix] File URL formatting and ensure successful HTTP response in plugin, by @Cryotechnic
  • [Sophon][Fix] Excessive File Package Size on Preload, by @Cryotechnic
  • [Sophon][Fix] Incorrect state display based on preload status, by @Cryotechnic
  • [Imp] Update WindowsAppSDK from v1.8 to v2.0 build

Full Changelog: CL-v1.83.16...CL-v1.83.17

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1.84.2 Preview [Codename: Columbina]

06 May 10:13
7bdcefe

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UpdateIsAvailable-Campaign-Columbina

Preview 1.84.2 (Codename: Columbina)

What's changed?

Full Changelog: CL-v1.84.1-pre...CL-v1.84.2-pre

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1.83.16 Stable [Codename: Luna]

11 Apr 14:41
727914e

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What's changed? - 1.83.16

  • [Fix] Deleted assets still getting downloaded while updating Honkai: Star Rail and Zenless Zone Zero, by @neon-nyan
    This caused by the filtering of the asset is still being redirected to FilterSophonPatchAssetList, which is unused rather than to FilterAssetList. This causes the supposedly deleted assets to get included, causing files to be redownloaded if not exist.
  • [Fix] Fix Honkai Impact 3rd cutscene detection on Game Repair, by @neon-nyan

Full Changelog: CL-v1.83.15...CL-v1.83.16

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  • This program will not transfer any information to other networked systems.
  • Read our full Privacy Policy
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1.84.1 Preview [Codename: Columbina]

11 Apr 19:29
36b58bb

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Pre-release

Hewwo, it's neon-nyan here~

It's beeeeeen a while since the last 1.83.x update. For now, this release is focusing on more quality improvements, bug fixes and internal code reworks rather than new features as we are preparing on reworking Collapse for new codebase.

That being said, this 1.84 update will be the marked as the last V1 release after roughly 4 years since the start of this project as we are going to move into V2 codebase starting this year (at Q3 or Q4 2026). Thank you so much for your continous support and interest in this project💖

Welcome to 1.84.x Release (Codename: Columbina)

UpdateIsAvailable-Campaign-Columbina
And so without further ado, let's dig into what's new in this release so far.

Preview 1.84.1 (Codename: Columbina) - What's new?

Reworked Background System

Since months, HoYoverse has updated HoYoPlay to support multiple background to display, including static image and dynamic background ones. This has been our backlog since this release as due to "spaghetti-code" nature of our entire codebase, this made us harder to adapt the changes and thus making Collapse still only support one static background image.

Thanks to this massive rework, we are now able to pull-off this feature by splitting the parts of the code into its own element, making it more easier and more manageable for the change and for incoming improvements.

We are also moving to FFmpeg as our secondary library for background video decoder if no built-in codec is present. You will be prompted to install the FFmpeg library if none of the required built-in Windows Media Foundation codec for VP9 or any codec is present.

FFmpeg is licensed and distributed under GNU Lesser General Public License, version 2.1 (LGPLv2.1)

2026-04-11.16-22-41.webm

The experience might still be sluggish due to rushed implementation. But this will be improved in future updates🤞

Update: 2026/03/27

Due to corrupted video background situation in any regions for Zenless Zone Zero game, FFmpeg has been set as a default decoder for Collapse Launcher now (You can opt-in for using built-in Windows Media Foundation decoder, though). You might be asked to install a new one if you don't have any defined in your system's Environment Variable.

2026-03-27.11-55-13.webm

Reworked Localization System #861

This is more like development-experience improvement rather than user focused ones. Previously in order to implement the localization for new elements, we have to manually map each class properties to represented JSON entries. Thanks to newly source-generated class mapper, every JSON entries will be mapped automatically. Each class properties can now be bind into UI element directly, making the UI able to update the visual itself rather than being told manually, one-by-one (which is expensive).

Reworked Download Speed Limiter #859

The feature has been long broken since last 1.83.x release due to inconsistency and changes to other download-related libraries. Even though if you're enabling this feature, you might experience that the download speed "isn't actually being limited" and noticing that your bandwidth is still being fully utilized. This feature should now be fully fixed by decentralizing the code of the feature into its own library and making it easier to maintain.

This feature could also be applied for any game plugins whose have v1-update4 API standard fully implemented.

Minor UI Adjustments

Not so noticeable UI changes at all. But it's worth to mention here.

1. News Carousel Design

image

2. About Card

image

Other Changes

  • [New] Adding Files Clean-up Button to the Menu Bar, by @bagusnl
image
  • [Imp] Switching Static Libraries Compiler from MSVC 19 to Clang 20.1, by @neon-nyan
  • [Imp] Caching Page Loading, by @neon-nyan
  • [Imp] Detach SDK Loading (for Sentry, Libsql.Client), by @neon-nyan
  • [Imp] Add Plugin Details (Breadcrumbs) to Sentry Reports, by @bagusnl
  • [Imp] Update overlay mask according to UI changes, by @shatyuka
  • [New] Implement async preload download with per-file progress callbacks #865, by @Cryotechnic
  • [Fix] Remove ZZZ Game Settings Resolution Limit, by @shatyuka
  • [Fix] Invalid Encoding while saving ZZZ Game Settings Profile (GENERAL_DATA.bin), by @shatyuka
  • [Fix] Deleted assets still getting downloaded while updating Honkai: Star Rail and Zenless Zone Zero, by @neon-nyan
    This caused by the filtering of the asset is still being redirected to FilterSophonPatchAssetList, which is unused rather than to FilterAssetList. This causes the supposedly deleted assets to get included, causing files to be redownloaded if not exist.
  • [Fix] Fix Honkai Impact 3rd cutscene detection on Game Repair, by @neon-nyan
  • [Imp] Localization updates, by localizers 🥳
    • de-DE - German (Progress: 100%)
    • es-419 - Spanish (Latin America)(Progress: 100%)
    • fr-FR - French (Progress: 98%)
    • id-ID - Bahasa Indonesia (Progress: 100%)
    • it-IT - Italian (Progress: 45%)
    • ja-JP - Japanese (Progress: 100%)
    • ko-KR - Korean (Progress: 87%)
    • nl-NL - Dutch (Progress: 100%)
    • pl-PL - Polish (Progress: 55%)
    • pt-BR - Portuguese (Brazil)(Progress: 72%)
    • pt-PT - Portuguese (Portugal)(Progress: 65%)
    • ru-RU - Russian (Progress: 76%)
    • th-TH - Thai (Progress: 95%)
    • uk-UA - Ukranian (Progress: 84%)
    • zh-CN - Chinese Simplified (Progress: 100%)
    • zh-TW - Chinese Traditional (Progress: 61%)

Full Changelog: v1.83.14-pre...CL-v1.84.1-pre

Code Signing Policy

Free code signing provided by SignPath.io, certificate by SignPath Foundation

  • This program will not transfer any information to other networked systems.
  • Read our full Privacy Policy
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1.83.15 Stable [Codename: Luna]

05 Mar 03:39
26ac316

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What's changed? - 1.83.15

  • [Fix] Sophon Preload for Some Games (Honkai Impact 3rd and Honkai: Star Rail) causing some files not getting patched properly, by @neon-nyan

Full Changelog: CL-v1.83.14...CL-v1.83.15

Code Signing Policy

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  • This program will not transfer any information to other networked systems.
  • Read our full Privacy Policy
  • Also read our Third Party Notices for license used by third party libraries that we use.

🛡 VirusTotal GitHub Action analysis:

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1.83.14 Stable [Codename: Luna]

10 Jan 04:54
942fc2e

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yay, synced to preview update~

What's changed? - 1.83.14

  • [New] Allow game process to be run as child process of Collapse, by @gablm
    • This allows stuff like Steam Overlay/controls to work.
    • User can enable it under Game Settings -> Advanced Settings.
  • [New] [ZZZ] DirectX 12 and Ray Tracing experimental settings, by @neon-nyan
    • User can use DirectX 12 and RT/Upscaling in-game natively. You will need to enable the DirectX 12 option under game settings.
    • Availability of certain options depends on the system you are running on.
    • Do note that the game MIGHT stutter on any new scene/sprite loads, and depending on your system it might be slow/fast.
    • The longer you play, the stutter should go away.
    • Ray tracing comparison: #853 (comment)
  • [Fix] Misc settings not loading, by @gablm
    • This affected stuff like Advanced game settings, command line, etc
  • [Imp] Reduce CPU usage in Discord RPC module, by @neon-nyan
    • More details: #845
  • [Fix] Plugin news not reloaded on page/region refresh, by @gablm
  • [Fix] [ZZZ] Game Settings reset after using Collapse' GSP, by @shatyuka
  • [Fix] Discord RPC did not get disabled globally, by @bagusnl @neon-nyan
    • More details: #849
  • [Fix] HSR Repair/Cache update method, by @neon-nyan
    • More details: #852
    • TL;DR: Completely rewritten
  • [Fix] Sophon not resuming update, by @neon-nyan
    • After cancelling/pausing game update, the launcher should now perform checks on which assets already updated so only the necessary files are getting downloaded.
  • [Fix] [ZZZ] Deleted assets gets redownloaded on update, by @neon-nyan
    • More details: #854
  • [Fix] Game update does not work on games without separate audio package, by @gablm
  • [Fix] Playtime counter not stopped after user switched game/region mid-session, by @gablm
  • [Fix] Directory might not get created when updating game through Sophon, by @neon-nyan
  • [Fix] Main Page's Carousel did not get stopped/paused when told to, by @bagusnl
    • Carousel now should get paused if you sent Collapse to tray or when Collapse is not on the foreground.
    • This is interim fix while the whole background subsystem is getting rewritten by @neon-nyan.
    • More details: #846

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