chore: update wf

fix: support "disable domain reload" on Unity 6.6 or later
chore(release): 4.13.1 [skip ci]
2026-06-29 02:33:43 +00:00 · 2026-06-28 20:44:59 +09:00 · 2026-06-28 13:28:24 +09:00 · 2026-06-26 02:57:47 +00:00 · 2026-06-26 11:55:28 +09:00 · 2026-06-26 11:51:43 +09:00
17 changed files with 396 additions and 222 deletions
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -1,28 +0,0 @@
-name: 🚀 Deploy with Zip
-
-on:
-  workflow_dispatch:
-    inputs:
-      zip:
-        description: "The url to the zip file"
-        required: true
-
-jobs:
-  deploy:
-    name: 🚀 Deploy
-    runs-on: ubuntu-latest
-    permissions:
-      pages: write
-      id-token: write
-    steps:
-      - name: 📦 Download zip file To '_site'
-        run: |
-          curl -L ${{ github.event.inputs.zip }} -o _site.zip
-          unzip _site.zip -d _site
-          find _site -name __MACOSX | xargs rm -rf
-
-      - name: 📦 Upload '_site'
-        uses: actions/upload-pages-artifact@v5
-
-      - name: 🚀 Deploy To GitHub Pages
-        uses: actions/deploy-pages@v5
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,9 +5,8 @@ on:
  workflow_dispatch:
  push:
    branches:
-      - preview
-      - main
-      - v*.x
+      - release
+      - release-*
    tags-ignore:
      - "**"

@@ -23,9 +22,12 @@ jobs:
      channel: ${{ steps.release.outputs.new_release_channel }}
      released: ${{ steps.release.outputs.new_release_published }}
      tag: ${{ steps.release.outputs.new_release_git_tag }}
+      version: ${{ steps.release.outputs.new_release_version }}
+      merge_to: ${{ steps.summary.outputs.merge_to }}
+      split_to: ${{ steps.summary.outputs.split_to }}
    steps:
      - name: 🚚 Checkout (${{ github.ref_name }})
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7

      - name: 🔖 Run semantic release
        uses: cycjimmy/semantic-release-action@v6
@@ -38,7 +40,62 @@ jobs:
        env:
          GITHUB_TOKEN: ${{ github.token }}

-      - run: |
+      - id: summary
+        run: |
          echo "🔖 New release published: '${{ steps.release.outputs.new_release_published }}'" | tee -a $GITHUB_STEP_SUMMARY
+          echo "🔖 New release version: '${{ steps.release.outputs.new_release_version }}'" | tee -a $GITHUB_STEP_SUMMARY
          echo "🔖 New release channel: '${{ steps.release.outputs.new_release_channel }}'" | tee -a $GITHUB_STEP_SUMMARY
          echo "🔖 New release git tag: '${{ steps.release.outputs.new_release_git_tag }}'" | tee -a $GITHUB_STEP_SUMMARY
+          
+          if [ '${{ steps.release.outputs.new_release_published }}' = 'false' ]; then
+            echo "No new release published." | tee -a $GITHUB_STEP_SUMMARY
+          elif [ '${{ github.ref_name }}' = 'release' ]; then
+            echo "merge_to=develop" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+            echo "split_to=main" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+          else
+            channel=$(echo ${{ github.ref_name }} | sed 's/^release-//')
+            echo "merge_to=develop-${channel}" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+            echo "split_to=${channel}" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+          fi
+
+  merge-to:
+    if: needs.release.outputs.merge_to != ''
+    needs: release
+    name: 🔀 Merge to ${{ needs.release.outputs.merge_to }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: 🚚 Checkout (${{ needs.release.outputs.merge_to }})
+        uses: actions/checkout@v7
+        with:
+          ref: ${{ needs.release.outputs.merge_to }}
+          fetch-depth: 0
+      - name: 🔀 Merge '${{ needs.release.outputs.tag }}' into '${{ needs.release.outputs.merge_to }}'
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          
+          git merge ${{ needs.release.outputs.tag }}
+          git push origin ${{ needs.release.outputs.merge_to }}
+
+  split-to:
+    if: needs.release.outputs.split_to != ''
+    needs: release
+    name: 🔀 Split package to ${{ needs.release.outputs.split_to }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: 🚚 Checkout (${{ needs.release.outputs.tag }})
+        uses: actions/checkout@v7
+        with:
+          ref: ${{ needs.release.outputs.tag }}
+          fetch-depth: 0
+      - name: 🔀 Split subtree 'Packages/src' to '${{ needs.release.outputs.split_to }}'
+        run: |
+          split_to=${{ needs.release.outputs.split_to }}
+          git branch $split_to origin/$split_to
+          git subtree split --prefix=Packages/src --branch $split_to
+          git tag ${{ needs.release.outputs.version }} $split_to
+          git push origin ${{ needs.release.outputs.version }} $split_to:$split_to
--- a/.github/workflows/test-urp.yml
+++ b/.github/workflows/test-urp.yml
@@ -7,9 +7,9 @@ run-name: 🧪 Test URP (${{ github.event.pull_request.title || github.ref_name

 env:
  # MINIMUM_VERSION: The minimum version of Unity.
-  MINIMUM_VERSION: 6000.1
+  MINIMUM_VERSION: 6000.0
  # EXCLUDE_FILTER: The excluded versions of Unity.
-  EXCLUDE_FILTER: '(2020.2.0|2021.1|2023.3)'
+  EXCLUDE_FILTER: "(2017|2018|2023.3)"
  PROJECT_PATH: ParticleEffectForUGUI_URP

 on:
@@ -85,10 +85,10 @@ jobs:
        unityVersion: ${{ fromJson(needs.setup.outputs.unityVersions) }}
    steps:
      - name: 🚚 Checkout ($${{ github.ref }})
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7

      - name: 📥 Cache library
-        uses: actions/cache@v5
+        uses: actions/cache@v6
        with:
          path: ${{ env.PROJECT_PATH }}/Library
          key: ${{ env.PROJECT_PATH }}-Library-${{ matrix.unityVersion }}-${{ github.event.pull_request.head.sha || github.sha }}
@@ -97,7 +97,7 @@ jobs:
            ${{ env.PROJECT_PATH }}-Library-

      - name: 🛠️ Build Unity Project (Test)
-        uses: game-ci/unity-builder@v5
+        uses: game-ci/unity-builder@main
        timeout-minutes: 45
        with:
          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
@@ -111,7 +111,7 @@ jobs:
          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}

      # - name: 🧪 Run tests
-      #   uses: game-ci/unity-test-runner@v4
+      #   uses: game-ci/unity-test-runner@main
      #   timeout-minutes: 45
      #   with:
      #     customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ run-name: 🧪 Test (${{ github.event.pull_request.title || github.ref_name }})

 env:
  # MINIMUM_VERSION: The minimum version of Unity.
-  MINIMUM_VERSION: 2020.3
+  MINIMUM_VERSION: 2019.4
  # EXCLUDE_FILTER: The excluded versions of Unity.
  EXCLUDE_FILTER: "(2017|2018|2023.3)"
  PROJECT_PATH: .
@@ -45,7 +45,8 @@ jobs:
    steps:
      - name: 🔑 Secrets check
        run: |
-          if [ -z "$UNITY_EMAIL" ] || [ -z "$UNITY_PASSWORD" ] || [ -z "UNITY_LICENSE" ]; then
+          echo "Checking secrets for ${{ github.actor }} ..."
+          if [ -z "$UNITY_EMAIL" ] || [ -z "$UNITY_PASSWORD" ] || [ -z "$UNITY_LICENSE" ]; then
            echo "Error: UNITY_EMAIL, UNITY_PASSWORD, and UNITY_LICENSE secrets must be set." | tee -a $GITHUB_STEP_SUMMARY >&2
            echo "Error: See https://game.ci/docs/github/test-runner#basic-setup" | tee -a $GITHUB_STEP_SUMMARY >&2
            echo "Error: Set the secrets at ${{ github.server_url }}/${{ github.repository }}/settings/secrets/actions" | tee -a $GITHUB_STEP_SUMMARY >&2
@@ -84,10 +85,10 @@ jobs:
        unityVersion: ${{ fromJson(needs.setup.outputs.unityVersions) }}
    steps:
      - name: 🚚 Checkout ($${{ github.ref }})
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7

      - name: 📥 Cache library
-        uses: actions/cache@v5
+        uses: actions/cache@v6
        with:
          path: ${{ env.PROJECT_PATH }}/Library
          key: ${{ env.PROJECT_PATH }}-Library-${{ matrix.unityVersion }}-${{ github.event.pull_request.head.sha || github.sha }}
@@ -96,7 +97,7 @@ jobs:
            ${{ env.PROJECT_PATH }}-Library-

      - name: 🛠️ Build Unity Project (Test)
-        uses: game-ci/unity-builder@v5
+        uses: game-ci/unity-builder@main
        timeout-minutes: 45
        with:
          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
@@ -110,7 +111,7 @@ jobs:
          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}

      - name: 🧪 Run tests
-        uses: game-ci/unity-test-runner@v4
+        uses: game-ci/unity-test-runner@main
        timeout-minutes: 45
        with:
          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
--- a/Packages/src/.releaserc.json
+++ b/Packages/src/.releaserc.json
@@ -1,13 +1,12 @@
 {
  "branches": [
-    "main",
-    "[0-9]+.x",
+    "release",
+    "release-4.x",
    {
-      "name": "preview",
-      "prerelease": true
+      "name": "release-preview",
+      "prerelease": "preview"
    }
  ],
-  "tagFormat": "${version}",
  "plugins": [
    "@semantic-release/commit-analyzer",
    "@semantic-release/release-notes-generator",
--- a/Packages/src/CHANGELOG.md
+++ b/Packages/src/CHANGELOG.md
@@ -1,27 +1,71 @@
-# [5.0.0-preview.17](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.16...5.0.0-preview.17) (2026-06-08)
+## [4.13.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.13.0...v4.13.1) (2026-06-26)
+
+
+### Bug Fixes
+
+* `ParticleSystemPreviewer` is no longer included in build ([bad976c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/bad976cf01180bdabf5cd2f1760e069afdcb644a))
+* add support for Unity 6.7 ([26fd3da](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/26fd3da20b6b07f7a26df662358c53757a7cc5f5)), closes [#408](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/408)
+
+# [4.13.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.12.2...v4.13.0) (2026-06-25)
+
+
+### Bug Fixes
+
+* `UI/Additive` shader does not support RectMask2D softness. ([83145d3](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/83145d3a6ede3831d1f7c49afde6ef7d8a498d21))
+* rename `UIParticleProjectSettings.enableLinearToGamma` to `autoColorCorrection` ([10f82a8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/10f82a8579a2d055f897e7a8d6f3b5ba1fc43ae8))
+* Support for skipping "reload domain" ([b7bb112](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b7bb1124f6921ebca1b48991462637767b95e504)), closes [#406](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/406)
+* there is a compilation error in Unity 2019.2 or earlier ([c327632](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c327632e1eb203351ba1a1087a19eb7838c22530)), closes [#407](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/407)
+
+
+### Features
+
+* add fields located outside the `Properties` block in the shader as `Animatable Properties` ([ea2fcfd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ea2fcfd8099a24b92624d34600beb519fb9d2b38)), closes [#399](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/399)
+* preview the ParticleSystem playback when selecting a UIParticle in the Editor ([108bcfb](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/108bcfbd246960dc730546dc334424cf2e17bfd4))
+* project-wide default view size for baking ([8e0ff10](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8e0ff10c7344d9f53d2f4f096ddeb7392b67f930)), closes [#360](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/360)
+
+## [4.12.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.12.1...v4.12.2) (2026-06-08)


 ### Bug Fixes

 * add `meshCleared` flag to optimize mesh clearing ([859fa20](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/859fa20d297c3f44e3361f20dbb7ce966407e03e))
-* add early return for case where subEmitter module is disabled ([d1386a1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d1386a12216743a6e09f1b9b87bea1dfcf7702e4))
-* avoid endless loop ([eb2e862](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/eb2e862e80e549c8cf16ddfed776c101c2413bac)), closes [#392](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/392)
-* fix icon ([a9461ec](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a9461ecb4d40d7fe878e12465d6e38faae7ae65b))
 * fix Unity6.5 compile errors and warnings ([a5ee687](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a5ee6878212be2fc4d7b48879426f239e8753009)), closes [#400](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/400)
-* fix URL link in README ([a79ffb2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a79ffb2c2b4c26f23d2925cb18674fda5d8bc9cb))
-* fix URL link in README ([1c8c65d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1c8c65d25e7f6fe7b1d20da4461333df8fc7578e)), closes [#376](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/376)
-* fix: second and subsequent bursts not displayed when world simulation and non-looping ([df2f3ca](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/df2f3caafbe279f1457d74f8183cb561ac14aa17)), closes [#326](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/326)
-* ignore "EditorOnly" tagged gameObjects on refresh ([031d46a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/031d46a3216c942d2d1a6ccfadf5f0b9e3ce3006))
 * potential access to UIParticleRenderer that has already been destroyed ([b740dd6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b740dd662d423c6bef849662ce1b0bfbb4940ed4)), closes [#403](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/403)
-* UIParticle in canvas with 0f-0.01f alpha value does not start to play until alpha value is greater than 0.01f, causes play calls to be delayed unintentionally if canvas alpha value is set to mentioned value range ([38aec2e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/38aec2ea1afd77677d629c86665a3342d92e49d9))
 * updated support for some changed menu paths ([f8ac986](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f8ac9869f141238169730e74f5d65c4fc6081f51)), closes [#397](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/397)

+## [4.12.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.12.0...v4.12.1) (2026-03-24)
+
+
+### Bug Fixes
+
+* ignore "EditorOnly" tagged gameObjects on refresh ([031d46a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/031d46a3216c942d2d1a6ccfadf5f0b9e3ce3006))
+
+# [4.12.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.4...v4.12.0) (2026-03-24)
+

 ### Features

 * explicit null checks ([5384f61](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5384f61c569e9f78ff9d5b45acfc6f5c2f021a87))

-# [5.0.0-preview.16](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.15...5.0.0-preview.16) (2025-03-15)
+## [4.11.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.3...v4.11.4) (2025-12-24)
+
+
+### Bug Fixes
+
+* add early return for case where subEmitter module is disabled ([d1386a1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d1386a12216743a6e09f1b9b87bea1dfcf7702e4))
+* avoid endless loop ([eb2e862](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/eb2e862e80e549c8cf16ddfed776c101c2413bac)), closes [#392](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/392)
+
+## [4.11.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.2...v4.11.3) (2025-10-14)
+
+
+### Bug Fixes
+
+* fix icon ([a9461ec](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a9461ecb4d40d7fe878e12465d6e38faae7ae65b))
+* fix URL link in README ([1c8c65d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1c8c65d25e7f6fe7b1d20da4461333df8fc7578e)), closes [#376](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/376)
+* fix: second and subsequent bursts not displayed when world simulation and non-looping ([df2f3ca](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/df2f3caafbe279f1457d74f8183cb561ac14aa17)), closes [#326](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/326)
+* UIParticle in canvas with 0f-0.01f alpha value does not start to play until alpha value is greater than 0.01f, causes play calls to be delayed unintentionally if canvas alpha value is set to mentioned value range ([38aec2e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/38aec2ea1afd77677d629c86665a3342d92e49d9))
+
+## [4.11.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.1...v4.11.2) (2025-03-15)


 ### Bug Fixes
@@ -29,20 +73,28 @@
 * IL2CPP build fails on older versions of Unity ([0da6525](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0da652520cd165b43de7404c0b0ab1fbcf9349d1))
 * NRE on enable ([0cff50e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0cff50ef696aa53fb7c46a9a737b7cf3a05b7b9b)), closes [#359](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/359)

-# [5.0.0-preview.15](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.14...5.0.0-preview.15) (2025-02-21)
+## [4.11.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.0...v4.11.1) (2025-02-21)


 ### Bug Fixes

 * component icons will no longer be displayed in the scene view ([6dfbdae](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/6dfbdae38d3822ab9c2c6f0e4ca1ca32ee98a239))
-* editor crashed on exit play mode (editor, windows) ([47ee45c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/47ee45cbbe651a8f87ca2b8a3948f8b88db8211e)), closes [#351](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/351)
+
+# [4.11.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.7...v4.11.0) (2025-02-21)


 ### Features

 * add 'TimeScaleMultiplier' option ([925af0b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/925af0b6046f65f23a778f67cefa8ff9cbedb513))

-# [5.0.0-preview.14](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.13...5.0.0-preview.14) (2025-01-03)
+## [4.10.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.6...v4.10.7) (2025-01-14)
+
+
+### Bug Fixes
+
+* editor crashed on exit play mode (editor, windows) ([47ee45c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/47ee45cbbe651a8f87ca2b8a3948f8b88db8211e)), closes [#351](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/351)
+
+## [4.10.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.5...v4.10.6) (2025-01-03)


 ### Bug Fixes
@@ -50,19 +102,6 @@
 * sub-emitter particles may not render correctly in certain scenarios ([8276684](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8276684c3b1646f0490ed64557547ba15281664a)), closes [#348](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/348)
 * sub-emitter's `inherit velocity` module doubles at runtime ([67de3d1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/67de3d1bd3e16dc9b564625cb990c53d75769506)), closes [#349](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/349)

-# [5.0.0-preview.13](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.12...5.0.0-preview.13) (2025-01-03)
-
-
-### Features
-
-* change the default value of `UIParticle.scale` from `10` to `1` ([9955eef](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9955eefdc22cf565502f85c87cd2efd3a25fbe50))
-* UIParticle no longer inherits from MaskableGraphic ([c09bfb8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c09bfb81abc9179bf5fc49d29eaf7fc4ed01a4dc))
-
-
-### BREAKING CHANGES
-
-* Some members inherited from MaskableGraphic will no longer be available.
-
 ## [4.10.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.4...v4.10.5) (2024-12-23)


--- a/Packages/src/Editor/UIParticleEditor.cs
+++ b/Packages/src/Editor/UIParticleEditor.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
 using UnityEditor;
+using UnityEditor.UI;
 using UnityEditorInternal;
 using UnityEngine;
 using UnityEngine.Profiling;
@@ -25,7 +26,7 @@ namespace Coffee.UIExtensions
 {
    [CustomEditor(typeof(UIParticle))]
    [CanEditMultipleObjects]
-    internal class UIParticleEditor : Editor
+    internal class UIParticleEditor : GraphicEditor
    {
        internal class State : ScriptableSingleton<State>
        {
@@ -88,8 +89,10 @@ namespace Coffee.UIExtensions
        /// <summary>
        /// This function is called when the object becomes enabled and active.
        /// </summary>
-        private void OnEnable()
+        protected override void OnEnable()
        {
+            base.OnEnable();
+
            _maskable = serializedObject.FindProperty("m_Maskable");
            _scale3D = serializedObject.FindProperty("m_Scale3D");
            _animatableProperties = serializedObject.FindProperty("m_AnimatableProperties");
@@ -485,11 +488,9 @@ namespace Coffee.UIExtensions
        {
            if (!p || (ignoreCurrent && target == p)) return;

-            Misc.DestroyImmediate(p);
-            if (p.TryGetComponent<CanvasRenderer>(out var cr))
-            {
-                Misc.DestroyImmediate(cr);
-            }
+            var cr = p.canvasRenderer;
+            DestroyImmediate(p);
+            DestroyImmediate(cr);

 #if UNITY_2018_3_OR_NEWER
            var stage = PrefabStageUtility.GetCurrentPrefabStage();
--- a/Packages/src/README.md
+++ b/Packages/src/README.md
@@ -1,9 +1,9 @@
-# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> UI Particle v5 <!-- omit in toc -->
+# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> Particle Effect For UGUI (UI Particle) <!-- omit in toc -->

 [![](https://img.shields.io/npm/v/com.coffee.ui-particle?label=openupm&registry_uri=https://package.openupm.com)](https://openupm.com/packages/com.coffee.ui-particle/)
 [![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI)](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
 [![](https://img.shields.io/github/license/mob-sakai/ParticleEffectForUGUI.svg)](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/main/LICENSE.md)  
-![](https://img.shields.io/badge/Unity-2019.3+-57b9d3.svg?style=flat&logo=unity)
+![](https://img.shields.io/badge/Unity-2018.2+-57b9d3.svg?style=flat&logo=unity)
 ![](https://img.shields.io/badge/uGUI_2.0_Ready-57b9d3.svg?style=flat)
 ![](https://img.shields.io/badge/UPR%2FHDPR_Ready-57b9d3.svg?style=flat)  
 ![](https://github.com/mob-sakai/ParticleEffectForUGUI/actions/workflows/test.yml/badge.svg?branch=develop)
@@ -11,7 +11,7 @@
 [![](https://img.shields.io/github/watchers/mob-sakai/ParticleEffectForUGUI.svg?style=social&label=Watch)](https://github.com/mob-sakai/ParticleEffectForUGUI/subscription)
 [![](https://img.shields.io/twitter/follow/mob_sakai.svg?label=Follow&style=social)](https://twitter.com/intent/follow?screen_name=mob_sakai)

-<< [📝 Description](#-description-) | [📌 Key Features](#-key-features) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🔄 Upgrading to 5.x](#-upgrading-from-3x4x-to-5x) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>
+<< [📝 Description](#-description-) | [📌 Key Features](#-key-features) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>

 ## 📝 Description <!-- omit in toc -->

@@ -26,9 +26,7 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo
    - [Install via OpenUPM](#install-via-openupm)
    - [Install via UPM (with Package Manager UI)](#install-via-upm-with-package-manager-ui)
    - [Install via UPM (Manually)](#install-via-upm-manually)
-  - [Install as Embedded Package](#install-as-embedded-package)
- [🔄 Upgrading from v3/v4 to v5](#-upgrading-from-v3v4-to-v5)
-  - [Breaking Changes](#breaking-changes)
+    - [Install as Embedded Package](#install-as-embedded-package)
 - [🚀 Usage](#-usage)
  - [Component: UIParticle](#component-uiparticle)
  - [Basic Usage](#basic-usage)
@@ -36,6 +34,7 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo
  - [Usage with `Mask` or `RectMask2D` Component](#usage-with-mask-or-rectmask2d-component)
  - [Usage with Script](#usage-with-script)
  - [Component: UIParticleAttractor](#component-uiparticleattractor)
+  - [Component: ParticleSystemPreviewer](#component-particlesystempreviewer)
  - [Project Settings](#project-settings)
 - [🛠 Development Note](#-development-note)
  - [Compares the Baking mesh approach with the conventional approach](#compares-the-baking-mesh-approach-with-the-conventional-approach)
@@ -106,7 +105,7 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo

 ## ⚙ Installation

-_This package requires **Unity 2019.3 or later**._
+_This package requires **Unity 2018.3 or later**._

 #### Install via OpenUPM

@@ -118,16 +117,16 @@ _This package requires **Unity 2019.3 or later**._
  ```
 - To update the package, use Package Manager UI (`Window > Package Manager`) or run the following command with `@{version}`:
  ```
-  openupm add com.coffee.ui-particle@5.0.0
+  openupm add com.coffee.ui-particle@4.13.0
  ```

 #### Install via UPM (with Package Manager UI)

 - Click `Window > Package Manager` to open Package Manager UI.
- Click `+ > Add package from git URL...` and input the repository URL: `https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src`  
+- Click `+ > Add package from git URL...` and input the repository URL: `https://github.com/mob-sakai/ParticleEffectForUGUI.git`  
  ![](https://github.com/user-attachments/assets/f88f47ad-c606-44bd-9e86-ee3f72eac548)
 - To update the package, change suffix `#{version}` to the target version.
-  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src#5.0.0`
+  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.13.0`

 #### Install via UPM (Manually)

@@ -135,41 +134,22 @@ _This package requires **Unity 2019.3 or later**._
  ```json
  {
    "dependencies": {
-      "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src",
+      "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
      ...
    }
  }
  ```

 - To update the package, change suffix `#{version}` to the target version.
-  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src#5.0.0",`
+  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.13.0",`

-### Install as Embedded Package
+#### Install as Embedded Package

-1. Download the `Source code (zip)` file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI/releases) and
-   extract it.
-2. Move the `<extracted_dir>/Packages/src` directory into your project's `Packages` directory.  
-   ![](https://github.com/user-attachments/assets/187cbcbe-5922-4ed5-acec-cf19aa17d208)
-    - You can rename the `src` directory if needed.
-    - If you intend to fix bugs or add features, installing it as an embedded package is recommended.
-    - To update the package, re-download it and replace the existing contents.
-
-<br><br>
-
-## 🔄 Upgrading from v3/v4 to v5
-
-### Breaking Changes
-
- The default value of `UIParticle.scale` has been changed from `10` to `1`.
- `UIParticle` no longer inherits from `MaskableGraphic`.
- If you are installing via git URL, add `?path=Packages/src`.
-   ```json
-   // v3/v4
-   "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
-   
-   // v5
-   "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src",
-   ```
+1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI/releases) and extract it.
+2. Place it in your project's `Packages` directory.  
+   ![](https://github.com/mob-sakai/mob-sakai/assets/12690315/0b7484b4-5fca-43b0-a9ef-e5dbd99bcdb4)
+- If you want to fix bugs or add features, install it as an embedded package.
+- To update the package, you need to re-download it and replace the contents.

 <br><br>

@@ -292,16 +272,17 @@ uiParticle.Stop();
    - **Unscaled Time:** Update with unscaled delta time.
 - **OnAttracted**: An event called when attracting is complete (per particle).

-
 <br><br>

 ### Component: ParticleSystemPreviewer

-`ParticleSystemPreviewer` is used to preview a ParticleSystem in the editor.
+`ParticleSystemPreviewer` is used to preview a `ParticleSystem` in the editor.
+
+![](https://github.com/mob-sakai/mob-sakai/releases/download/docs/1782441157549.png)

 - When a `GameObject` with this component is selected in the editor, a temporary `ParticleSystem` is added if needed so you can preview the effect in the Scene view.
 - The generated `ParticleSystem` is marked with `HideFlags.DontSave`, so it is neither saved nor included in builds.
-
+- This component will be removed in builds.

 <br><br>

--- a/Packages/src/Runtime/Internal/Extensions/MeshExtensions.cs
+++ b/Packages/src/Runtime/Internal/Extensions/MeshExtensions.cs
@@ -0,0 +1,153 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Coffee.UIParticleInternal
+{
+    internal static class MeshExtensions
+    {
+        internal static readonly InternalObjectPool<Mesh> s_MeshPool = new InternalObjectPool<Mesh>(
+            () =>
+            {
+                var mesh = new Mesh
+                {
+                    hideFlags = HideFlags.DontSave | HideFlags.NotEditable
+                };
+                mesh.MarkDynamic();
+                return mesh;
+            },
+            mesh => mesh,
+            mesh =>
+            {
+                if (mesh != null)
+                {
+                    mesh.Clear();
+                }
+            });
+
+        public static Mesh Rent()
+        {
+            return s_MeshPool.Rent();
+        }
+
+        public static void Return(ref Mesh mesh)
+        {
+            s_MeshPool.Return(ref mesh);
+        }
+
+        public static void CopyTo(this Mesh self, Mesh dst)
+        {
+            if (self == null || dst == null) return;
+
+            var vector3List = InternalListPool<Vector3>.Rent();
+            var vector4List = InternalListPool<Vector4>.Rent();
+            var color32List = InternalListPool<Color32>.Rent();
+            var intList = InternalListPool<int>.Rent();
+
+            dst.Clear(false);
+
+            self.GetVertices(vector3List);
+            dst.SetVertices(vector3List);
+
+            self.GetTriangles(intList, 0);
+            dst.SetTriangles(intList, 0);
+
+            self.GetNormals(vector3List);
+            dst.SetNormals(vector3List);
+
+            self.GetTangents(vector4List);
+            dst.SetTangents(vector4List);
+
+            self.GetColors(color32List);
+            dst.SetColors(color32List);
+
+            self.GetUVs(0, vector4List);
+            dst.SetUVs(0, vector4List);
+
+            self.GetUVs(1, vector4List);
+            dst.SetUVs(1, vector4List);
+
+            self.GetUVs(2, vector4List);
+            dst.SetUVs(2, vector4List);
+
+            self.GetUVs(3, vector4List);
+            dst.SetUVs(3, vector4List);
+
+            dst.RecalculateBounds();
+            InternalListPool<Vector3>.Return(ref vector3List);
+            InternalListPool<Vector4>.Return(ref vector4List);
+            InternalListPool<Color32>.Return(ref color32List);
+            InternalListPool<int>.Return(ref intList);
+        }
+
+        public static void CopyTo(this VertexHelper self, Mesh dst)
+        {
+            if (self == null || dst == null) return;
+
+            self.FillMesh(dst);
+        }
+
+        public static void CopyTo(this Mesh self, VertexHelper dst)
+        {
+            if (self == null || dst == null) return;
+
+            var vertexCount = self.vertexCount;
+            var indexCount = self.triangles.Length;
+            self.CopyTo(dst, vertexCount, indexCount);
+        }
+
+        public static void CopyTo(this Mesh self, VertexHelper dst, int vertexCount, int indexCount)
+        {
+            if (self == null || dst == null) return;
+
+            var positions = InternalListPool<Vector3>.Rent();
+            var normals = InternalListPool<Vector3>.Rent();
+            var uv0 = InternalListPool<Vector4>.Rent();
+            var uv1 = InternalListPool<Vector4>.Rent();
+            var uv2 = InternalListPool<Vector4>.Rent();
+            var uv3 = InternalListPool<Vector4>.Rent();
+            var tangents = InternalListPool<Vector4>.Rent();
+            var colors = InternalListPool<Color32>.Rent();
+            var indices = InternalListPool<int>.Rent();
+            self.GetVertices(positions);
+            self.GetColors(colors);
+            self.GetUVs(0, uv0);
+            self.GetUVs(1, uv1);
+            self.GetUVs(2, uv1);
+            self.GetUVs(3, uv1);
+            self.GetNormals(normals);
+            self.GetTangents(tangents);
+            self.GetIndices(indices, 0);
+
+            dst.Clear();
+            for (var i = 0; i < vertexCount; i++)
+            {
+                dst.AddVert(positions.GetOrDefault(i), colors.GetOrDefault(i), uv0.GetOrDefault(i), uv1.GetOrDefault(i),
+                    uv2.GetOrDefault(i), uv3.GetOrDefault(i), normals.GetOrDefault(i), tangents.GetOrDefault(i));
+            }
+
+            var count = Mathf.Clamp(indexCount, 0, indices.Count);
+            for (var i = 0; i < count - 2; i += 3)
+            {
+                dst.AddTriangle(indices[i], indices[i + 1], indices[i + 2]);
+            }
+
+            InternalListPool<Vector3>.Return(ref positions);
+            InternalListPool<Vector3>.Return(ref normals);
+            InternalListPool<Vector4>.Return(ref uv0);
+            InternalListPool<Vector4>.Return(ref uv1);
+            InternalListPool<Vector4>.Return(ref uv2);
+            InternalListPool<Vector4>.Return(ref uv3);
+            InternalListPool<Vector4>.Return(ref tangents);
+            InternalListPool<Color32>.Return(ref colors);
+            InternalListPool<int>.Return(ref indices);
+        }
+
+        private static T GetOrDefault<T>(this List<T> self, int index)
+        {
+            return 0 <= index && index < self.Count
+                ? self[index]
+                : default;
+        }
+    }
+}
--- a/Packages/src/Runtime/Internal/Extensions/MeshExtensions.cs.meta
+++ b/Packages/src/Runtime/Internal/Extensions/MeshExtensions.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8c949d47f5c6d4d22bd7baebc60d48f3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
+++ b/Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
@@ -59,21 +59,6 @@ namespace Coffee.UIParticleInternal
                s_BuildingPlayer = false;
                Initialize();
            }
-
-#if UNITY_2019_3_OR_NEWER
-            [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
-            private static void OnDomainReload()
-            {
-                foreach (var t in TypeCache.GetTypesDerivedFrom(typeof(PreloadedProjectSettings<>)))
-                {
-                    var defaultSettings = GetDefaultSettings(t);
-                    if (defaultSettings != null)
-                    {
-                        defaultSettings.OnDomainReload();
-                    }
-                }
-            }
-#endif
        }

        private static void Initialize()
@@ -166,10 +151,6 @@ namespace Coffee.UIParticleInternal
        protected virtual void OnInitialize()
        {
        }
-
-        protected virtual void OnDomainReload()
-        {
-        }
    }

    internal abstract class PreloadedProjectSettingsEditor : Editor
@@ -255,11 +236,6 @@ namespace Coffee.UIParticleInternal
                    break;
            }
        }
-
-        protected override void OnDomainReload()
-        {
-            s_Instance = null;
-        }
 #else
        public static T instance => s_Instance != null ? s_Instance : s_Instance = CreateInstance<T>();
 #endif
--- a/Packages/src/Runtime/Internal/Utilities/FrameCache.cs
+++ b/Packages/src/Runtime/Internal/Utilities/FrameCache.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using UnityEditor;
 using UnityEngine;

 namespace Coffee.UIParticleInternal
@@ -9,6 +10,7 @@ namespace Coffee.UIParticleInternal
        private static readonly Dictionary<Type, IFrameCache> s_Caches = new Dictionary<Type, IFrameCache>();

 #if UNITY_EDITOR && UNITY_2019_3_OR_NEWER
+        [InitializeOnLoadMethod]
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
 #elif UNITY_EDITOR
        [InitializeOnLoadMethod]
--- a/Packages/src/Runtime/Internal/Utilities/UIExtraCallbacks.cs
+++ b/Packages/src/Runtime/Internal/Utilities/UIExtraCallbacks.cs
@@ -18,12 +18,6 @@ namespace Coffee.UIParticleInternal
        private static readonly FastAction s_OnScreenSizeChangedAction = new FastAction();
        private static Vector2Int s_LastScreenSize;

-        static UIExtraCallbacks()
-        {
-            Canvas.willRenderCanvases += OnBeforeCanvasRebuild;
-            Logger.LogMulticast(typeof(Canvas), "willRenderCanvases", message: "ctor");
-        }
-
        /// <summary>
        /// Event that occurs after canvas rebuilds.
        /// </summary>
@@ -72,7 +66,7 @@ namespace Coffee.UIParticleInternal
            CanvasUpdateRegistry.IsRebuildingLayout();
 #if TMP_ENABLE
            // Explicitly set `Canvas.willRenderCanvases += TMP_UpdateManager.DoRebuilds`.
-            typeof(TMPro.TMP_UpdateManager)
+            var _ = typeof(TMPro.TMP_UpdateManager)
                .GetProperty("instance", BindingFlags.NonPublic | BindingFlags.Static)
                .GetValue(null);
 #endif
@@ -83,6 +77,7 @@ namespace Coffee.UIParticleInternal
        }

 #if UNITY_EDITOR && UNITY_2019_3_OR_NEWER
+        [InitializeOnLoadMethod]
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
 #elif UNITY_EDITOR
        [InitializeOnLoadMethod]
@@ -91,9 +86,17 @@ namespace Coffee.UIParticleInternal
 #endif
        private static void InitializeOnLoad()
        {
+#if UNITY_2019_4 || UNITY_2020_2_OR_NEWER
+            Canvas.preWillRenderCanvases -= OnBeforeCanvasRebuild;
+            Canvas.preWillRenderCanvases += OnBeforeCanvasRebuild;
+#else
+            Canvas.willRenderCanvases -= OnBeforeCanvasRebuild;
+            Canvas.willRenderCanvases += OnBeforeCanvasRebuild;
+#endif
            Canvas.willRenderCanvases -= OnAfterCanvasRebuild;
            s_IsInitializedAfterCanvasRebuild = false;
            s_LastScreenSize = default;
+            Logger.LogMulticast(typeof(Canvas), "willRenderCanvases", message: "ctor");
        }

        /// <summary>
--- a/Packages/src/Runtime/ParticleSystemPreviewer.cs
+++ b/Packages/src/Runtime/ParticleSystemPreviewer.cs
@@ -1,3 +1,4 @@
+#if UNITY_EDITOR
 using System.Collections.Generic;
 using System.Linq;
 using Coffee.UIParticleInternal;
@@ -13,7 +14,6 @@ namespace Coffee.UIExtensions
        // Do nothing.
    }

-#if UNITY_EDITOR
    [CustomEditor(typeof(ParticleSystemPreviewer))]
    [CanEditMultipleObjects]
    internal class ParticleSystemPreviewerEditor : Editor
@@ -29,6 +29,7 @@ namespace Coffee.UIExtensions
        public override void OnInspectorGUI()
        {
            base.OnInspectorGUI();
+            EditorGUILayout.HelpBox("ParticleSystemPreviewer will be removed in build.", MessageType.Warning);
            ParticleSystemPreviewSystem.DrawWarningForTemporary(_gameObjects);
            ParticleSystemPreviewSystem.DrawWarningForPermanent(_gameObjects);
        }
@@ -43,6 +44,12 @@ namespace Coffee.UIExtensions
    {
        private const HideFlags k_TemporaryHideFlags = HideFlags.DontSave | HideFlags.NotEditable;

+        private const string k_TemporaryMesssage = "The temporary ParticleSystem for preview is attached.\n" +
+                                                   "It will be removed when exiting edit mode.";
+
+        private const string k_PermanentMesssage = "The permanent ParticleSystem is attached.\n" +
+                                                   "It will be included in build.";
+
        [SerializeField]
        private List<GameObject> m_PreviewObjects = new List<GameObject>();

@@ -192,8 +199,7 @@ namespace Coffee.UIExtensions
        {
            if (gameObjects == null || gameObjects.Length == 0 || !gameObjects.Any(HasTemporaryParticleSystem)) return;

-            if (WarningButton("The temporary ParticleSystem for preview is attached.\n" +
-                              "It will be removed when exiting edit mode.", "Remove"))
+            if (HelpBoxButton(MessageType.Warning, k_TemporaryMesssage, "Remove"))
            {
                foreach (var go in gameObjects)
                {
@@ -209,8 +215,7 @@ namespace Coffee.UIExtensions
        {
            if (gameObjects == null || gameObjects.Length == 0 || !gameObjects.Any(HasPermanentParticleSystem)) return;

-            if (WarningButton("The permanent ParticleSystem is attached.\n" +
-                              "It will be included in build.", "Remove"))
+            if (HelpBoxButton(MessageType.Info, k_PermanentMesssage, "Remove"))
            {
                foreach (var go in gameObjects)
                {
@@ -224,14 +229,14 @@ namespace Coffee.UIExtensions
            }
        }

-        private static bool WarningButton(string message, string buttonText)
+        private static bool HelpBoxButton(MessageType messageType, string message, string buttonText)
        {
            EditorGUILayout.BeginHorizontal();
-            EditorGUILayout.HelpBox(message, MessageType.Warning, true);
+            EditorGUILayout.HelpBox(message, messageType, true);
            var clicked = GUILayout.Button(EditorGUIUtility.TrTempContent(buttonText));
            EditorGUILayout.EndHorizontal();
            return clicked;
        }
    }
-#endif
 }
+#endif
--- a/Packages/src/Runtime/UIParticle.cs
+++ b/Packages/src/Runtime/UIParticle.cs
@@ -3,9 +3,9 @@ using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using Coffee.UIParticleInternal;
 using UnityEngine;
-using UnityEngine.EventSystems;
 using UnityEngine.Rendering;
 using UnityEngine.Serialization;
+using UnityEngine.UI;
 using Random = UnityEngine.Random;

 [assembly: InternalsVisibleTo("Coffee.UIParticle.Editor")]
@@ -22,7 +22,7 @@ namespace Coffee.UIExtensions
    [ExecuteAlways]
    [RequireComponent(typeof(RectTransform))]
    [RequireComponent(typeof(CanvasRenderer))]
-    public class UIParticle : UIBehaviour, ISerializationCallbackReceiver
+    public class UIParticle : MaskableGraphic, ISerializationCallbackReceiver
    {
        public enum AutoScalingMode
        {
@@ -64,7 +64,7 @@ namespace Coffee.UIExtensions

        [Tooltip("Scale the rendering particles. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.")]
        [SerializeField]
-        private Vector3 m_Scale3D = new Vector3(1, 1, 1);
+        private Vector3 m_Scale3D = new Vector3(10, 10, 10);

        [Tooltip("If you want to update material properties (e.g. _MainTex_ST, _Color) in AnimationClip, " +
                 "use this to mark as animatable.")]
@@ -125,48 +125,20 @@ namespace Coffee.UIExtensions
        [Tooltip("Time scale multiplier.")]
        private float m_TimeScaleMultiplier = 1;

-        [SerializeField]
-        private bool m_Maskable = true;
-
        private readonly List<UIParticleRenderer> _renderers = new List<UIParticleRenderer>();
        private Camera _bakeCamera;
-        private Canvas _canvas;
        private int _groupId;
        private bool _isScaleStored;
        private Vector3 _storedScale;
        private DrivenRectTransformTracker _tracker;

-        public RectTransform rectTransform => transform as RectTransform;
-
-        public Canvas canvas
-        {
-            get
-            {
-                if (_canvas) return _canvas;
-
-                var tr = transform;
-                while (tr && !_canvas)
-                {
-                    if (tr.TryGetComponent(out _canvas)) return _canvas;
-                    tr = tr.parent;
-                }
-
-                return null;
-            }
-        }
-
        /// <summary>
-        /// Does this graphic allow masking.
+        /// Should this graphic be considered a target for ray-casting?
        /// </summary>
-        public bool maskable
+        public override bool raycastTarget
        {
-            get => m_Maskable;
-            set
-            {
-                if (value == m_Maskable) return;
-                m_Maskable = value;
-                UpdateRendererMaterial();
-            }
+            get => false;
+            set { }
        }

        /// <summary>
@@ -359,15 +331,15 @@ namespace Coffee.UIExtensions

        public Vector3 parentScale { get; private set; }

-        private Vector3 canvasScale { get; set; }
+        public Vector3 canvasScale { get; private set; }

        protected override void OnEnable()
        {
            _isScaleStored = false;
            ResetGroupId();
            UIParticleUpdater.Register(this);
+            RegisterDirtyMaterialCallback(UpdateRendererMaterial);

-            //
            if (0 < particles.Count)
            {
                RefreshParticles(particles);
@@ -377,7 +349,7 @@ namespace Coffee.UIExtensions
                RefreshParticles();
            }

-            UpdateRendererMaterial();
+            base.OnEnable();
        }

        /// <summary>
@@ -395,15 +367,9 @@ namespace Coffee.UIExtensions
            UIParticleUpdater.Unregister(this);
            _renderers.RemoveAll(r => r == null);
            _renderers.ForEach(r => r.Reset());
-            _canvas = null;
-        }
+            UnregisterDirtyMaterialCallback(UpdateRendererMaterial);

-        /// <summary>
-        /// Called when the state of the parent Canvas is changed.
-        /// </summary>
-        protected override void OnCanvasHierarchyChanged()
-        {
-            _canvas = null;
+            base.OnDisable();
        }

        /// <summary>
@@ -413,14 +379,6 @@ namespace Coffee.UIExtensions
        {
        }

-        /// <summary>
-        /// This function is called when a direct or indirect parent of the transform of the GameObject has changed.
-        /// </summary>
-        protected override void OnTransformParentChanged()
-        {
-            _canvas = null;
-        }
-
        void ISerializationCallbackReceiver.OnBeforeSerialize()
        {
        }
@@ -720,6 +678,17 @@ namespace Coffee.UIExtensions
                : Random.Range(m_GroupId, m_GroupMaxId + 1);
        }

+        protected override void UpdateMaterial()
+        {
+        }
+
+        /// <summary>
+        /// Call to update the geometry of the Graphic onto the CanvasRenderer.
+        /// </summary>
+        protected override void UpdateGeometry()
+        {
+        }
+
        private void UpdateRendererMaterial()
        {
            for (var i = 0; i < _renderers.Count; i++)
--- a/Packages/src/Runtime/UIParticleRenderer.cs
+++ b/Packages/src/Runtime/UIParticleRenderer.cs
@@ -26,6 +26,7 @@ namespace Coffee.UIExtensions
        private static readonly List<Material> s_Materials = new List<Material>(2);
        private static MaterialPropertyBlock s_Mpb;
        private static readonly Vector3[] s_Corners = new Vector3[4];
+        private static readonly VertexHelper s_VertexHelper = new VertexHelper();
        private bool _delay;
        private int _index;
        private bool _isPrevStored;
@@ -451,11 +452,15 @@ namespace Coffee.UIExtensions

                var components = InternalListPool<Component>.Rent();
                GetComponents(typeof(IMeshModifier), components);
-                for (var i = 0; i < components.Count; i++)
+                if (0 < components.Count)
                {
-#pragma warning disable CS0618 // Type or member is obsolete
-                    ((IMeshModifier)components[i]).ModifyMesh(workerMesh);
-#pragma warning restore CS0618 // Type or member is obsolete
+                    workerMesh.CopyTo(s_VertexHelper);
+                    for (var i = 0; i < components.Count; i++)
+                    {
+                        ((IMeshModifier)components[i]).ModifyMesh(s_VertexHelper);
+                    }
+
+                    s_VertexHelper.FillMesh(workerMesh);
                }

                InternalListPool<Component>.Return(ref components);
--- a/Packages/src/package.json
+++ b/Packages/src/package.json
@@ -2,8 +2,8 @@
  "name": "com.coffee.ui-particle",
  "displayName": "UI Particle",
  "description": "This package provides a component to render particle effects for uGUI.\nThe particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.",
-  "version": "5.0.0-preview.17",
-  "unity": "2019.3",
+  "version": "4.13.1",
+  "unity": "2018.2",
  "license": "MIT",
  "repository": {
    "type": "git",
Author	SHA1	Message	Date
mob-sakai	c9a97e41d5	chore: update wf	2026-06-28 20:44:59 +09:00
mob-sakai	dc120884f6	fix: support "disable domain reload" on Unity 6.6 or later	2026-06-28 13:28:24 +09:00
semantic-release-bot	5393947b3b	chore(release): 4.13.1 [skip ci] ## [4.13.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.13.0...v4.13.1) (2026-06-26) ### Bug Fixes * `ParticleSystemPreviewer` is no longer included in build ([`bad976c`](`bad976cf01`)) * add support for Unity 6.7 ([`26fd3da`](`26fd3da20b`)), closes [#408](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/408)	2026-06-26 02:57:47 +00:00
mob-sakai	bad976cf01	fix: `ParticleSystemPreviewer` is no longer included in build	2026-06-26 11:55:28 +09:00
mob-sakai	26fd3da20b	fix: add support for Unity 6.7 close #408	2026-06-26 11:51:43 +09:00
semantic-release-bot	9eb094bb43	chore(release): 4.13.0 [skip ci] # [4.13.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.12.2...v4.13.0) (2026-06-25) ### Bug Fixes * `UI/Additive` shader does not support RectMask2D softness. ([`83145d3`](`83145d3a6e`)) * rename `UIParticleProjectSettings.enableLinearToGamma` to `autoColorCorrection` ([`10f82a8`](`10f82a8579`)) * Support for skipping "reload domain" ([`b7bb112`](`b7bb1124f6`)), closes [#406](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/406) * there is a compilation error in Unity 2019.2 or earlier ([`c327632`](`c327632e1e`)), closes [#407](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/407) ### Features * add fields located outside the `Properties` block in the shader as `Animatable Properties` ([`ea2fcfd`](`ea2fcfd809`)), closes [#399](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/399) * preview the ParticleSystem playback when selecting a UIParticle in the Editor ([`108bcfb`](`108bcfbd24`)) * project-wide default view size for baking ([`8e0ff10`](`8e0ff10c73`)), closes [#360](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/360)	2026-06-25 11:18:58 +00:00