Merge upstream unstable changes

.github/FUNDING.yml

@@ -0,0 +1 @@
+open_collective: openrocket

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,71 @@
+name: Bug report
+description: Help us make OpenRocket better
+title: '[Bug] REPLACE WITH YOUR TITLE HERE'
+labels: bug
+type: bug
+body:
+- type: markdown
+  attributes:
+    value: "Thanks for taking the time to fill out this bug report!"
+- type: textarea
+  id: description
+  attributes:
+    label: Describe the bug
+    description: What happened? Also tell us what you've expect to happen.
+    placeholder: Describe your bug in detail.
+  validations:
+    required: true
+- type: textarea
+  id: repro
+  attributes:
+    label: To Reproduce
+    description: "Steps to reproduce the behavior:"
+    value: |
+      1. 
+      2. 
+      3. 
+      ...
+  validations:
+    required: true
+- type: textarea
+  id: files
+  attributes:
+    label: Screenshots / .ork file
+    description: Provide screenshots for clarification and/or the .ork file that caused the issue.
+    value: |
+      #### Screenshot(s):
+      *(drag-and-drop the screenshot(s) here)*
+
+
+      #### .ork file:
+      *(drag-and-drop the file here as a .zip file)*
+
+
+  validations:
+    required: false
+- type: input
+  id: version-openrocket
+  attributes:
+    label: OpenRocket version
+    description: In what version(s) of OpenRocket does this bug happen?
+    placeholder: 22.02, unstable...
+  validations:
+    required: true
+- type: dropdown
+  id: platform
+  attributes:
+    label: What platform are you running on?
+    options:
+      - Windows
+      - macOS
+      - Linux
+  validations:
+    required: true
+- type: textarea
+  id: context
+  attributes:
+    label: Additional context
+    description: Add any other context about the problem here.
+    placeholder:
+  validations:
+    required: false

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,21 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: '[Feature Request] REPLACE WITH YOUR TITLE HERE'
+labels: Feature request
+type: feature
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**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.

.github/workflows/build.yml

@@ -0,0 +1,53 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - unstable
+  pull_request:
+    branches:
+      - unstable
+
+jobs:
+  gradle:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository and submodules
+        uses: actions/checkout@v5
+        with:
+          submodules: 'recursive'
+      - name: Setup JDK 17
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v5
+      - name: Execute Gradle build
+        run: ./gradlew check build dist
+      # If wanting to serialize all the engines during build
+      #        run: ./gradlew serializeEnginesDist build dist
+      - name: Upload build reports
+        if: always()
+        uses: actions/upload-artifact@v5
+        with:
+          name: build-reports
+          path: build/reports/
+      - name: Upload SpotBugs reports
+        if: always()
+        uses: actions/upload-artifact@v5
+        with:
+          name: spotbugs-reports
+          path: '**/build/reports/spotbugs/**'
+      - name: Upload Coverage HTML
+        if: always()
+        uses: actions/upload-artifact@v5
+        with:
+          name: coverage-html
+          path: '**/build/reports/jacoco/test/html/**'
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v5
+        with:
+          name: openrocket_build_${{ github.run_number }}
+          path: ${{github.workspace}}/build/libs/OpenRocket*.jar

.gitignore

@@ -13,19 +13,12 @@
 /tmp
 /loganalysis
 
-# /android/
-/android/bin
-
-# /android-libraries/achartengine/
-/android-libraries/achartengine/gen
-/android-libraries/achartengine/bin
-/android-libraries/achartengine/lint.xml
-
 # /core/
 /core/loganalysis
 /core/build
 /core/tmp
 /core/misc
+/core/bin
 
 # /core/doc/techdoc/
 /core/doc/techdoc/*.aux
@@ -39,45 +32,64 @@
 /core/resources-src/pix/splashscreen-sormus.xcf.gz
 
 /swing/build
+/swing/bin
 /swing/tmp
+/core/src/main/resources/datafiles/components
+/core/src/main/resources/ReleaseNotes.md
 
 # IntelliJ
 # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
 # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
 # https://github.com/github/gitignore/blob/master/Global/JetBrains.gitignore
 
 # User-specific stuff:
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/dictionaries
-.idea/vcs.xml
-.idea/jsLibraryMappings.xml
+**/.idea/workspace.xml
+**/.idea/tasks.xml
+**/.idea/dictionaries
+**/.idea/vcs.xml
+**/.idea/jsLibraryMappings.xml
+**/.idea/copilot
+**/.idea/shelf
+swing/OpenRocket Swing.iml
+core/OpenRocket Core.iml
+lib-test/OpenRocket Library Test.iml
 
 # Sensitive or high-churn files:
-.idea/dataSources.ids
-.idea/dataSources.xml
-.idea/dataSources.local.xml
-.idea/sqlDataSources.xml
-.idea/dynamic.xml
-.idea/uiDesigner.xml
+**/.idea/dataSources.ids
+**/.idea/dataSources.xml
+**/.idea/dataSources.local.xml
+**/.idea/sqlDataSources.xml
+**/.idea/dynamic.xml
+**/.idea/uiDesigner.xml
+**/.idea/workspace.xml
 
 # Gradle:
-.idea/gradle.xml
-.idea/libraries
+**/.idea/libraries
 
 # Mongo Explorer plugin:
-.idea/mongoSettings.xml
+**/.idea/mongoSettings.xml
 
 ## File-based project format:
-*.iws
+**/*.iws
 
 ## Plugin-specific files:
 
 # IntelliJ
-/out/
+**/out/
+**/build/
+**/.gradle**
+
+# IntelliJ run configurations (keep some default configs though)
+!/.idea/runConfigurations/SwingStartup.xml
+!/.idea/runConfigurations/openrocket_jar.xml
+!/.idea/runConfigurations/openrocket_test.xml
+/.idea/runConfigurations/
+
+# VSCode
+.vscode/
 
 # mpeltonen/sbt-idea plugin
-.idea_modules/
+**/.idea_modules/
 
 # JIRA plugin
 atlassian-ide-plugin.xml
@@ -87,3 +99,21 @@ com_crashlytics_export_strings.xml
 crashlytics.properties
 crashlytics-build.properties
 fabric.properties
+
+openrocket.log
+**/hs_err_pid*.log
+
+*.snap
+
+# Sphinx documentation
+docs/build
+
+# AI tools
+**/copilot.*.xml
+**/AGENTS.md
+**/CLAUDE.md
+**/GEMINI.md
+**/.claude
+
+# Environment files
+**/.env

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "core/resources-src/datafiles/openrocket-database"]
+	path = core/resources-src/datafiles/openrocket-database
+	url = https://github.com/openrocket/openrocket-database.git