handzlikchris/FastScriptReload

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Hot Reload implementation for Unity. Iterate on code insanely fast without breaking play session. Supports any editor. 1. Play 2. Make change 3. See results

Stars: 2.2k
Forks: 167
Open beginner issues: 0
Indexed issues: 96

Dominant language: C#
License: MIT
Last GitHub push: Apr 1, 2026
Latest indexed: Sep 17, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

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96 open issues indexed

Could Attributes be supported ? Open

feature needs-refinement nice-to-have

handzlikchris/FastScriptReload#2 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add support for struct methods redirect Open

feature

handzlikchris/FastScriptReload#5 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Support partial classes Open

feature user-code-rewrite

handzlikchris/FastScriptReload#6 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
Root struct and nested class that uses 'in' ChangedClass as parameter is throwing is inaccessible Open

feature needs-refinement user-code-rewrite

handzlikchris/FastScriptReload#7 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
When added field is removed in play-session it'll start throwing exceptions and will stop additional-values from rendering in editor Open

bug feature-new-fields-added-at-runtime

handzlikchris/FastScriptReload#8 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
'This' rewriting causes some issues with rewritting generic methods Open

bug user-code-rewrite

handzlikchris/FastScriptReload#9 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Support User defined conversion Open

feature user-code-rewrite

handzlikchris/FastScriptReload#10 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Reinitializing file-watchers as defined configuration spams every frame Open

bug

handzlikchris/FastScriptReload#11 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
If user already has some file watchers then FSR ones seem to be causing an issue Open

needs-refinement

handzlikchris/FastScriptReload#12 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Updating between versions causes Point prefab to be incorrectly set (either URP / built-in) - makes it appear pink Open

bug good first issue

handzlikchris/FastScriptReload#13 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
In some circumstances 2 filewatchers may not fire close to each other (time wise) - this causes issue with duplicate check and can cause reload to happen more than once Open

bug

handzlikchris/FastScriptReload#14 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Sometimes welcome screen fails to load (black text, not properly layouted) Open

bug

handzlikchris/FastScriptReload#15 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Static fields in new class are not initialized Open

bug

handzlikchris/FastScriptReload#18 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Unable to compile new("option") format instead of new TMP_Dropdown.OptionData("option") Open

bug

handzlikchris/FastScriptReload#19 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Multiple file watchers didn't work? (second watches outside of /Scripts folder) Open

bug

handzlikchris/FastScriptReload#20 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Inheriting from 'Editor' in runtime script is causing error CS0118: 'Editor' is a namespace but is used like a type Open

bug

handzlikchris/FastScriptReload#21 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
New fields init get placed incorrectly for function-method Open

handzlikchris/FastScriptReload#23 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
If same FQDN for type is defined in 2 assemblies - it'll cause compilation error Open

bug

handzlikchris/FastScriptReload#24 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Continue migrating board after 'General issues' feature Open

handzlikchris/FastScriptReload#25 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
It was not possible to find any compatible framework version - compilation failed Open

handzlikchris/FastScriptReload#26 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Migrate documentation to wiki (include release-notes) Open

documentation

handzlikchris/FastScriptReload#28 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
FSR Compilation error Open

support

handzlikchris/FastScriptReload#29 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Allow to add hot reload method stubs (OnHotReload/OnHotReloadNoInstance) from editor context menu as it's easy to forget signature Open

feature UI

handzlikchris/FastScriptReload#32 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Improved Debugger support - do not require to recreate breakpoints Open

feature feature-debugger-support

handzlikchris/FastScriptReload#36 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Private nullable fields added at runtime cause errors (only for reference type) Open

bug feature-new-fields-added-at-runtime

handzlikchris/FastScriptReload#37 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Extension methods can not be called on newly-added-fields Open

bug feature-new-fields-added-at-runtime

handzlikchris/FastScriptReload#40 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add docs section (with video) about using manual fixes (so users can solve issues on their own) Open

documentation feature-user-defined-script-rewrite-override

handzlikchris/FastScriptReload#41 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Create youtube explainer video showing error handling in action Open

documentation

handzlikchris/FastScriptReload#46 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Chinese variables in the script can not be compiled Open

bug

handzlikchris/FastScriptReload#50 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Visual Studio Code: Omnisharp can't resolve primary reference "0Harmony" Open

documentation

handzlikchris/FastScriptReload#51 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Hot Reloading running coroutine can sometimes cause issues Open

bug

handzlikchris/FastScriptReload#52 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Hot overload failure Open

handzlikchris/FastScriptReload#54 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
inconsistent line numbers? Open

handzlikchris/FastScriptReload#55 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
The latest package import error Open

handzlikchris/FastScriptReload#58 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
__Patched_ dictionaries added in the wrong place Open

bug

handzlikchris/FastScriptReload#60 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Don't print "not MonoBehaviour, OnScriptHotReload method can't be executed" messages if there is no OnScriptHotReload Open

bug

handzlikchris/FastScriptReload#63 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Singleton initalization type is not properly rewritten Open

bug

handzlikchris/FastScriptReload#64 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
When Editor reload is on and user both hot reloads changes and tries to enter play-mode, editor crashes Open

bug needs-refinement

handzlikchris/FastScriptReload#68 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Request: Need to reload scripts from packages (located in different folder than /Assets) Open

handzlikchris/FastScriptReload#71 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
System.Text.Encoding.CodePages Assembly load fail Open

bug help wanted

handzlikchris/FastScriptReload#72 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Unpatch assemblies when exiting playmode when user has domain reload disabled Open

bug

handzlikchris/FastScriptReload#74 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Feature : Add original filename to generated filename hash ? Open

good first issue help wanted nice-to-have

handzlikchris/FastScriptReload#75 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Bug : Added new field cast issue (float initialized with int value) Open

bug

handzlikchris/FastScriptReload#76 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Add .editorconfig file Open

feature

handzlikchris/FastScriptReload#89 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[BUG] UnityMainThreadDispatcher destroyed Open

bug

handzlikchris/FastScriptReload#91 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
FSR can lock editor if started when domain reload in progress Open

bug needs-refinement

handzlikchris/FastScriptReload#97 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Error] An error is caused if the source code contains English characters Open

bug

handzlikchris/FastScriptReload#103 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Incorrect rewrite for switch assignment (using new language features) Open

bug

handzlikchris/FastScriptReload#107 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Added fields not working with Unity editors drawn without IMGUI (ie 2022.3) Open

bug

handzlikchris/FastScriptReload#108 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Static fields in changed code are lost upon reload Open

feature

handzlikchris/FastScriptReload#110 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026

handzlikchris/FastScriptReload

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