request

.editorconfig

@@ -0,0 +1,160 @@
+# editorconfig.org
+# Mostly based on https://github.com/dotnet/corefx/blob/master/.editorconfig
+# References
+# https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-code-style-settings-reference?view=vs-2017
+# https://kent-boogaart.com/blog/editorconfig-reference-for-c-developers
+
+# top-most EditorConfig file
+root = true
+
+# Default settings:
+# A newline ending every file
+# Use 4 spaces as indentation
+[*]
+insert_final_newline     = true
+indent_style             = space
+indent_size              = 4
+charset                  = utf-8
+end_of_line              = crlf
+trim_trailing_whitespace = true
+
+# Powershell files (build.ps1)
+[*.ps1]
+charset = utf-8-bom
+
+# Xml config files
+[*.{props,targets,config,nuspec,manifest}]
+indent_size = 2
+
+# Javascript Files
+[*.js]
+curly_bracket_next_line = true
+indent_brace_style      = Allman
+
+# C++ Files
+[*.{cpp,h,in}]
+curly_bracket_next_line = true
+indent_brace_style      = Allman
+
+[*.cs]
+# Capitalization styles
+dotnet_naming_style.constant_field_case_style.capitalization                   = pascal_case
+dotnet_naming_style.property_case_style.capitalization                         = pascal_case
+dotnet_naming_style.static_field_case_style.capitalization                     = pascal_case
+dotnet_naming_style.private_internal_field_case_style.capitalization           = camel_case
+
+# New line preferences
+csharp_new_line_before_open_brace                                              = all
+csharp_new_line_before_else                                                    = true
+csharp_new_line_before_catch                                                   = true
+csharp_new_line_before_finally                                                 = true
+csharp_new_line_before_members_in_object_initializers                          = true
+csharp_new_line_before_members_in_anonymous_types                              = true
+csharp_new_line_between_query_expression_clauses                               = true
+
+# Indentation preferences
+csharp_indent_block_contents                                                   = true
+csharp_indent_braces                                                           = false
+csharp_indent_case_contents                                                    = true
+csharp_indent_case_contents_when_block                                         = false
+csharp_indent_switch_labels                                                    = true
+csharp_indent_labels                                                           = one_less_than_current
+
+# this.
+dotnet_style_qualification_for_field                                           = false : suggestion
+dotnet_style_qualification_for_property                                        = false : suggestion
+dotnet_style_qualification_for_method                                          = false : suggestion
+dotnet_style_qualification_for_event                                           = false : suggestion
+
+# Prefer using var
+csharp_style_var_for_built_in_types                                            = true : none
+csharp_style_var_when_type_is_apparent                                         = true : suggestion
+csharp_style_var_elsewhere                                                     = true : suggestion
+
+# use language keywords instead of BCL types
+dotnet_style_predefined_type_for_locals_parameters_members                     = true : suggestion
+dotnet_style_predefined_type_for_member_access                                 = true : suggestion
+
+# Constant fields
+dotnet_naming_rule.constant_field_style.severity                               = error
+dotnet_naming_rule.constant_field_style.symbols                                = constant_field_target
+dotnet_naming_rule.constant_field_style.style                                  = constant_field_case_style
+
+dotnet_naming_symbols.constant_field_target.applicable_kinds                   = field
+dotnet_naming_symbols.constant_field_target.required_modifiers                 = const
+
+# Properties
+dotnet_naming_rule.property_style.severity                                     = error
+dotnet_naming_rule.property_style.symbols                                      = property_target
+dotnet_naming_rule.property_style.style                                        = property_case_style
+
+dotnet_naming_symbols.property_target.applicable_kinds                         = property
+dotnet_naming_symbols.property_target.required_modifiers                       = *
+
+# Static fields
+dotnet_naming_rule.static_field_style.severity                                 = error
+dotnet_naming_rule.static_field_style.symbols                                  = static_field_target
+dotnet_naming_rule.static_field_style.style                                    = static_field_case_style
+
+dotnet_naming_symbols.static_field_target.applicable_kinds                     = field
+dotnet_naming_symbols.static_field_target.required_modifiers                   = static
+
+# Private and internal fields
+dotnet_naming_rule.private_internal_field_style.severity                       = error
+dotnet_naming_rule.private_internal_field_style.symbols                        = private_internal_field_target
+dotnet_naming_rule.private_internal_field_style.style                          = private_internal_field_case_style
+
+dotnet_naming_symbols.private_internal_field_target.applicable_kinds           = field
+dotnet_naming_symbols.private_internal_field_target.applicable_accessibilities = private, internal
+
+# Code style defaults
+dotnet_sort_system_directives_first                                            = true
+csharp_preserve_single_line_blocks                                             = true
+csharp_prefer_braces                                                           = true
+csharp_preserve_single_line_statements                                         = false
+dotnet_style_prefer_auto_properties                                            = true : suggestion
+
+# Expression-level preferences
+dotnet_style_object_initializer                                                = true : suggestion
+dotnet_style_collection_initializer                                            = true : suggestion
+dotnet_style_explicit_tuple_names                                              = false : suggestion
+dotnet_style_coalesce_expression                                               = false : suggestion
+dotnet_style_null_propagation                                                  = false : suggestion
+
+# Expression-bodied members
+csharp_style_expression_bodied_methods                                         = false : none
+csharp_style_expression_bodied_constructors                                    = false : none
+csharp_style_expression_bodied_operators                                       = false : none
+csharp_style_expression_bodied_properties                                      = false : none
+csharp_style_expression_bodied_indexers                                        = false : none
+csharp_style_expression_bodied_accessors                                       = false : none
+
+# Space preferences
+csharp_space_after_cast                                                        = false
+csharp_space_after_colon_in_inheritance_clause                                 = true
+csharp_space_after_comma                                                       = true
+csharp_space_after_dot                                                         = false
+csharp_space_after_keywords_in_control_flow_statements                         = true
+csharp_space_after_semicolon_in_for_statement                                  = true
+csharp_space_around_binary_operators                                           = before_and_after
+csharp_space_around_declaration_statements                                     = do_not_ignore
+csharp_space_before_colon_in_inheritance_clause                                = true
+csharp_space_before_comma                                                      = false
+csharp_space_before_dot                                                        = false
+csharp_space_before_open_square_brackets                                       = false
+csharp_space_before_semicolon_in_for_statement                                 = false
+csharp_space_between_empty_square_brackets                                     = false
+csharp_space_between_method_call_empty_parameter_list_parentheses              = false
+csharp_space_between_method_call_name_and_opening_parenthesis                  = false
+csharp_space_between_method_call_parameter_list_parentheses                    = false
+csharp_space_between_method_declaration_empty_parameter_list_parentheses       = false
+csharp_space_between_method_declaration_name_and_open_parenthesis              = false
+csharp_space_between_method_declaration_parameter_list_parentheses             = false
+csharp_space_between_parentheses                                               = false
+csharp_space_between_square_brackets                                           = false
+
+# Modifier order
+csharp_preferred_modifier_order                                                = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async : error
+
+# CA2247: Argument passed to TaskCompletionSource constructor should be TaskCreationOptions enum instead of TaskContinuationOptions enum
+dotnet_diagnostic.CA2247.severity = error

.github/FUNDING.yml

@@ -0,0 +1,13 @@
+# These are supported funding model platforms
+
+#github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+#patreon: # Replace with a single Patreon username
+#open_collective: # Replace with a single Open Collective username
+#ko_fi: # Replace with a single Ko-fi username
+#tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+#community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+#custom: # Replace with a single custom sponsorship URL
+
+github: amaitland
+#patreon: alexmaitland
+custom: https://paypal.me/AlexMaitland

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,155 @@
+name: Bug Report
+description: Create a report for a reproducible bug
+labels: []
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please only open an issue if you have a **BUG** to report. for questions/assistance use [Discussions](https://github.com/cefsharp/CefSharp/discussions). If you are new to the project then please review the following:
+        1. [General Usage guide](https://github.com/cefsharp/CefSharp/wiki/General-Usage) includes examples and details of many common questions.
+        2. [Frequently Asked Questions](https://github.com/cefsharp/CefSharp/wiki/Frequently-asked-questions), lots of useful information there, specially if your having trouble deploying to a different machine.
+        3. GitHub has a fantastic search feature, it'll search through past issues/code. Use the Search box at the top of this page).
+        4. You can see all the `CefSharp` tagged issues on [Stackoverflow](http://stackoverflow.com/questions/tagged/cefsharp), lots of questions/answers.
+  - type: checkboxes
+    attributes:
+      label: Is there an existing issue for this?
+      description: Please search to see if an issue already exists for the bug you encountered.
+      options:
+      - label: I have searched both open/closed issues, no issue already exists.
+        required: true
+  - type: input
+    id: cefsharp-version
+    attributes:
+      label: CefSharp Version
+      description: What version are you using? Please only open an issue if you can reproduce the problem with version 140.1.140 or later.
+      placeholder: 140.1.140
+    validations:
+      required: true
+  - type: dropdown
+    id: operating-system
+    attributes:
+      label: Operating System
+      multiple: false
+      options:
+        - Windows 10
+        - Windows 11
+        - Windows Server 2016
+        - Windows Server 2019
+        - Windows Server 2022
+        - Windows Server 2025
+    validations:
+      required: true
+  - type: dropdown
+    id: architecture
+    attributes:
+      label: Architecture
+      multiple: false
+      options:
+        - x64
+        - x86
+        - arm64
+        - AnyCPU
+    validations:
+      required: true
+  - type: input
+    id: dotnet-version
+    attributes:
+      label: .Net Version
+      description: |
+        What .Net version are you using?
+      placeholder: e.g. .Net 4.8 or .Net 6.0
+    validations:
+      required: true
+  - type: dropdown
+    id: cefsharp-implementation
+    attributes:
+      label: Implementation
+      multiple: false
+      options:
+        - WinForms
+        - WPF
+        - WPF HwndHost
+        - OffScreen
+    validations:
+      required: true
+  - type: textarea
+    id: repro-steps
+    attributes:
+      label: Reproduction Steps
+      description: |
+        Please include minimal steps to reproduce the problem. E.g.: the smallest possible code snippet; or a small example project here on GitHub, with steps to run it. Include text/code as text rather than screenshots (so it shows up in searches and can copy/paste).
+        Does the problem reproduce using the [MinimalExample](https://github.com/cefsharp/CefSharp.MinimalExample)? You can fork the MinimalExample and use this as a base for your example.
+      placeholder: Minimal Reproduction
+    validations:
+      required: true
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected behavior
+      description: |
+        Provide a description of the expected behavior.
+      placeholder: Expected behavior
+    validations:
+      required: true
+  - type: textarea
+    id: actual-behavior
+    attributes:
+      label: Actual behavior
+      description: |
+        Provide a description of the actual behavior observed. If applicable please include any error messages, exception or stacktraces.
+      placeholder: Actual behavior
+    validations:
+      required: true
+  - type: textarea
+    id: regression
+    attributes:
+      label: Regression?
+      description: |
+        Did this work in a previous build or release of CefSharp? If you can try a previous release or build to find out, that can help us narrow down the problem. If you don't know, that's OK.
+      placeholder: Regression?
+    validations:
+      required: false
+  - type: textarea
+    id: known-workarounds
+    attributes:
+      label: Known Workarounds
+      description: |
+        Please provide a description of any known workarounds.
+      placeholder: Known Workarounds
+    validations:
+      required: false
+  - type: markdown
+    attributes:
+      value: |
+        To help determine where the problem needs to be fixed please download and test using the `CEF Sample Application(cefclient)`.
+          1. Download for [x86](https://cef-builds.spotifycdn.com/cef_binary_143.0.9%2Bge88e818%2Bchromium-143.0.7499.40_windows32_client.tar.bz2) or [x64](https://cef-builds.spotifycdn.com/cef_binary_143.0.9%2Bge88e818%2Bchromium-143.0.7499.40_windows64_client.tar.bz2) or [arm64](https://cef-builds.spotifycdn.com/cef_binary_143.0.9%2Bge88e818%2Bchromium-143.0.7499.40_windowsarm64_client.tar.bz2).
+          2. Extract tar.bz2 file
+          3. Execute cefclient.exe using the **command line args below**:
+
+          For WPF/OffScreen `cefclient.exe --multi-threaded-message-loop --no-sandbox --off-screen-rendering-enabled --enable-gpu`
+          For WinForms `cefclient.exe --multi-threaded-message-loop --no-sandbox --use-alloy-style`
+  - type: dropdown
+    id: cefclient-testing
+    attributes:
+      label: Does this problem also occur in the CEF Sample Application
+      multiple: false
+      options:
+        - 'Yes using WPF/OffScreen command line args'
+        - 'Yes using WinForms command line args'
+        - 'No'
+        - Not Tested
+      description: |
+        If you can reproduce the problem with `cefclient` then please report the issue on [CEF Issue Tracker](https://github.com/chromiumembedded/cef/issues) (Make sure you search before opening an issue). If you open an issue here it will most likely be closed as `upstream` as the bug needs to be fixed in `CEF`.
+    validations:
+      required: true
+  - type: textarea
+    id: other-info
+    attributes:
+      label: Other information
+      description: |
+        If you are seeing a crash in `libcef.dll` then please download `libcef.dll.pdb` and place it next to `libcef.dll` to obtain a detailed stack trace, see [FAQ](https://github.com/cefsharp/CefSharp/wiki/Trouble-Shooting#loading-native-symbols-for-easier-diagnosis) for details.
+        Does the cef log provide any relevant information? (By default there should be a debug.log file in your bin directory)
+        Any other background information that's relevant? Are you doing something out of the ordinary? 3rd party controls?
+      placeholder: Other information
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,9 @@
+# https://help.github.com/en/github/building-a-strong-community/configuring-issue-templates-for-your-repository#configuring-the-template-chooser
+blank_issues_enabled: false
+contact_links:
+  - name: stackoverflow
+    url: http://stackoverflow.com/questions/tagged/cefsharp
+    about: Please ask and answer questions here.
+  - name: Chromium Embedded Framework(CEF) Forum
+    url: https://magpcss.org/ceforum/index.php
+    about: Please ask your non CefSharp specific CEF questions here

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,31 @@
+---
+name: Feature request
+about: Suggest an idea for this project, please don't use this template to ask questions, thank you.
+title: Feature Request - My Feature
+labels: feature-request
+assignees: ''
+
+---
+
+Please ask your questions under the Discussions section here on GitHub 
+- https://github.com/cefsharp/CefSharp/discussions
+
+---
+
+`CefSharp` is a wrapper around the [Chromium Embedded Framework](https://bitbucket.org/chromiumembedded/cef/overview) in a lot of cases a feature must be added to `CEF` first before it can be used in `CefSharp`. `CEF` has its own `Feature Request Forum` at https://magpcss.org/ceforum/viewforum.php?f=7
+
+--- 
+
+**Describe the solution you'd like**
+A clear and concise description of the feature you are proposing
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.
+
+**Checklist:**
+- [ ] I have reviewed the [CEF API](https://magpcss.org/ceforum/apidocs3/index-all.html) and have confirmed the feature I'm requesting is possible.
+- [ ] The Feature I'm requesting is an improvement to Async Javascript Binding (No new feature are being added to the Sync Javascript binding)
+- [ ] An open `PR` exists on the [CEF Pull Requests](https://bitbucket.org/chromiumembedded/cef/pull-requests/) and I'd like to propose this feature is added to `CefSharp` when/if it's merged.