Merge branch 'staging/4.3' into release/4.3

Author: ashvayka

_includes/docs/paas/subscription.md

@@ -687,17 +687,16 @@ See product [homepage](/products/trendz/){:target="_blank"} for more details.
 
 ## How to cancel my subscription?
 
-To terminate your ThingsBoard Cloud subscription, follow these steps:
+To cancel your ThingsBoars {{cloudPrefix}} Cloud subscription, follow these steps:
 
-- Log in to ThingsBoard Cloud as Tenant Administrator;
-- Navigate to the "**Plan and billing**" page in the main navigation menu;
-- Locate the **Management** section, which contains your subscription details and options to control it;
-- Click the "**Cancel subscription**" button and follow the instructions to cancel your subscription;
-- Confirm the action by clicking the "**Cancel subscription**" button in the confirmation window.
+- Navigate to **Plan and billing**. 
+- Click **Cancel subscription**. 
+- Follow the on-screen instructions. 
+- Confirm the cancellation by clicking **Cancel subscription** in the confirmation dialog.
 
-{% capture difference %}
+{% capture update-only-keys-cluster-mode %}
 **Note:**
 <br>
 This action cannot be undone. This will **permanently delete** your tenant account, all devices, assets, dashboards, rule-chains, users and other entities, all telemetry data and alarms.
 {% endcapture %}
-{% include templates/info-banner.md content=difference %}
+{% include templates/warn-banner.md content=update-only-keys-cluster-mode %}

_includes/docs/user-guide/calculated-fields/related-entities-aggregation-calculated-field.md

@@ -109,7 +109,7 @@ How it works:
 - additional updates arriving within the interval do not trigger aggregation again
 - after the interval ends, aggregation run again using the latest available data
 
-> Minimum time between telemetry aggregations: 60 seconds.
+> Minimum time between telemetry aggregations: 10 seconds.
 
 This prevents excessive reprocessing and reduces system load in high-frequency environments.
 
@@ -254,7 +254,7 @@ The field will:
         title: Second metric settings:<br>- **Metric name:** maxTemperature<br>- **Aggregation:** Maximum<br>- **Value source:** key<br>- **Argument name:** temperature.
     ===
         https://img.thingsboard.io/user-guide/calculated-fields/related-entities/related-entities-cf-example-1-11-ce.png
-        title: Deduplication interval: 60 seconds.<br>The output value will be stored as a telemetry. Click **Add** to save the calculation field.
+        title: Deduplication interval: 10 seconds.<br>The output value will be stored as a telemetry. Click **Add** to save the calculation field.
 '
 %}
 

_includes/docs/user-guide/calculated-fields/time-series-data-aggregation-calculated-field.md

@@ -50,7 +50,7 @@ Each metric produces **one output telemetry key (Metric name)** by applying one
 
 Click the **Add metric** button and fill in the required fields:
 - **Metric name**: output telemetry key name (e.g., tempAvg, tempMax)
-- **Aggregation**: Average / Min / Max / Sum / Count / Count unique
+- **Aggregation**: Average / Min / Max / Sum / Count
 - **Argument name**: the argument whose value is being aggregated.
 - **Default value**: used if the interval contains no data
 
@@ -59,7 +59,7 @@ Click the **Add metric** button and fill in the required fields:
 {% assign timeSeriesAggrMetric = '
     ===
         image: https://img.thingsboard.io/user-guide/calculated-fields/time-series-data-aggregation/time-series-data-aggregation-metric-1-ce.png
-        title: Click the **Add metric** button (1) and fill in the required fields:<br>- **Metric name** (2): output telemetry key name (e.g., tempAvg, tempMax)<br>- **Aggregation** (3): Average / Min / Max / Sum / Count / Count unique<br>- **Argument name** (4): the argument whose value is being aggregated.<br>- **Default value** (5): used if the interval contains no data<br>Then click **Add** (6).
+        title: Click the **Add metric** button (1) and fill in the required fields:<br>- **Metric name** (2): output telemetry key name (e.g., tempAvg, tempMax)<br>- **Aggregation** (3): Average / Min / Max / Sum / Count<br>- **Argument name** (4): the argument whose value is being aggregated.<br>- **Default value** (5): used if the interval contains no data<br>Then click **Add** (6).
 '
 %}
 

_includes/pricing/calculator.sass

@@ -809,6 +809,9 @@ $bg-white: #fff
       display: flex
       align-items: center
       gap: 6px
+      .strikethrough-text
+        text-decoration: line-through
+        color: #9E9E9E
       .tooltip
         position: relative
         &:hover

_includes/pricing/tbmq-payg-calculator.html

@@ -394,7 +394,7 @@ <h3>Calculation summary</h3>
                 <div class="results-total">
                     <span>Total</span>
                     <span class="total-value">
-                        ${formatCurrency(totalPrice)}/month
+                        ${formatCurrency(totalPrice)} ${isInitialState ? `<span class="strikethrough-text">${formatCurrency(plan.basePrice)}</span>` : ''}/month
                         <span class="tooltip">${infoIcon}<span class="tooltip-text">${tooltipText}</span></span>
                     </span>
                 </div>

docs/user-guide/install/building-from-source.md

@@ -10,44 +10,61 @@ description: Building ThingsBoard IoT platform from sources
 * TOC
 {:toc}
 
-This guide will help you to download and build ThingsBoard from sources. Instructions listed below are tested on Ubuntu 24.04 LTS
-and CentOS 8/9
+This guide will help you to download and build ThingsBoard from source code.
+
+Instructions listed below are tested on Ubuntu 24.04 LTS and CentOS 8/9.
+
+<hr>
 
 ## Required tools
 
 This section contains installation instructions for build tools.
 
-### Java
+<b><font size="4">Java</font></b>   
+ThingsBoard is built using **Java 17**.
+
+Install Java 17 using these instructions:
+
+- [Install Java 17 on Ubuntu](/docs/user-guide/install/ubuntu/#step-1-install-java-17-openjdk){:target="_blank"}
 
-ThingsBoard is built using Java 17. You can use [following instructions](/docs/user-guide/install/ubuntu/#step-1-install-java-17-openjdk) to install Java 17.
+Verify the installation:
 
-### Maven
+```bash
+java -version
+```
+{: .copy-code}
 
-ThingsBoard build requires Maven 3.1.0+.
+<b><font size="4">Maven</font></b>   
+ThingsBoard requires Maven 3.1.0 or newer.
 
 {% capture tabspec %}maven-installation
 A,Ubuntu,shell,resources/maven-ubuntu-installation.sh,/docs/user-guide/install/resources/maven-ubuntu-installation.sh
 B,CentOS,shell,resources/maven-centos-installation.sh,/docs/user-guide/install/resources/maven-centos-installation.sh{% endcapture %}
 {% include tabs.html %}
 
-**Please note** that Maven installation may set Java 7 as a default JVM on certain Linux machines. 
-Use Java installation [instructions](#java) to fix this. 
+> Note: On certain Linux machines, Maven installation may set Java 7 as the default JVM. If this happens, reconfigure your system to use Java 17.
+
+<hr>
 
 ## Source code
 
-{% capture windows_line_endings %}
-**NOTE: Building Docker image on Windows machine**
+{% capture difference %}
+**Important:** Building Docker images on Windows requires **LF** line endings.   
+
+To build Docker image, certain scripts, configuration files and sources that will be a part of the Docker image must have **LF** line endings.   
 
-To build Docker image, certain scripts, configuration files and sources that will be a part of the Docker image must have **LF** line endings.
-So before cloning the repo set to _input_ the Git [core.autocrlf](https://git-scm.com/docs/git-config#Documentation/git-config.txt-coreautocrlf) configuration option.
+So before cloning the repo set to _input_ the Git [core.autocrlf](https://git-scm.com/docs/git-config#Documentation/git-config.txt-coreautocrlf){:target="_blank"} configuration option. 
 
 For example, to set *core.autocrlf* globally:
 
 `git config --global core.autocrlf input`{:.language-bash}
+
+Failing to do so may cause runtime errors when running Docker images.
+
 {% endcapture %}
-{% include templates/warn-banner.md content=windows_line_endings %}
+{% include templates/info-banner.md content=difference %}
 
-You can clone source code of the project from the official [github repo](https://github.com/thingsboard/thingsboard).
+Clone the [ThingsBoard repository](https://github.com/thingsboard/thingsboard){:target="_blank"} from GitHub:
 
 ```bash
 # checkout latest release branch
@@ -56,53 +73,76 @@ cd thingsboard
 ```
 {: .copy-code}
 
-## Build
+<hr>
+
+## Build the Project
 
-Run the following command from the ThingsBoard folder to build the project:
+From the project root directory, run:
 
 ```bash
 mvn clean install -DskipTests
 ```
 {: .copy-code}
 
-## Build local Docker images
+This command:
+- build the project:
+- skips unit and integration tests
+- produces installation artifacts
+
+## Build local Docker images (Optional)
 
-{% include templates/warn-banner.md content=windows_line_endings %}
+{% include templates/info-banner.md content=difference %}
 
-Make sure that [Docker](https://docs.docker.com/engine/install/) is installed.
+To build local Docker images for ThingsBoard services, ensure [Docker](https://docs.docker.com/engine/install/){:target="_blank"} is installed.
 
+Then run:
 ```bash
 mvn clean install -DskipTests -Ddockerfile.skip=false
 ```
 {: .copy-code}
 
+Docker images can be listed using:
+
+```bash
+docker images
+```
+{: .copy-code}
+
 ## Build artifacts
 
-You can find debian, rpm and windows packages in the target folder:
+After a successful build, installation packages are available in:
 
 ```bash
 application/target
 ```
 {: .copy-code}
 
-## Running tests
+This directory contains:
+- <span class="code-light">.deb</span> packages for Debian/Ubuntu
+- <span class="code-light">.rpm</span> packages for CentOS/RHEL
+- Windows installation packages
 
-We are using [Docker](https://docs.docker.com/engine/install/) and [Docker Compose](https://docs.docker.com/compose/install/) to run all kinds of integration and [black-box tests](https://github.com/thingsboard/thingsboard/tree/master/msa/black-box-tests).
+## Running tests (Optional)
 
-Please, manage [Docker as a non-root user](https://docs.docker.com/engine/install/linux-postinstall/#manage-docker-as-a-non-root-user) to run tests properly.
+This requires [Docker](https://docs.docker.com/engine/install/){:target="_blank"} and [Docker Compose](https://docs.docker.com/compose/install/){:target="_blank"}. Make sure [Docker is configured to run as a non-root user](https://docs.docker.com/engine/install/linux-postinstall/#manage-docker-as-a-non-root-user){:target="_blank"}.
 
-Master and release branches are already tested, so you can skip tests and avoid installing Docker as well.
+> **Note:** Master and release branches are already tested, so you can skip tests and avoid installing Docker as well.
 
-Run all unit and integration tests:
+<b><font size="4">Unit and integration tests</font></b>
 
+Run all unit and integration tests:
 ```bash
 mvn clean install
 ```
 {: .copy-code}
 
-To run black-box tests, please refer [black-box tests readme](https://github.com/thingsboard/thingsboard/blob/master/msa/black-box-tests/README.md).
+<b><font size="4">Black-box tests</font></b>
 
-Estimated time is about 1 hour on AMD Ryzen 5 3600 (6-cores), 32GB DDR4, fancy SSD and shiny weather. Actual time may vary and depends on particular hardware performance.
+Black-box tests are located in [https://github.com/thingsboard/thingsboard/tree/master/msa/black-box-tests](https://github.com/thingsboard/thingsboard/tree/master/msa/black-box-tests){:target="_blank"}
+
+Follow the instructions in the corresponding [README](https://github.com/thingsboard/thingsboard/blob/master/msa/black-box-tests/README.md){:target="_blank"} to execute them.
+
+> Estimated runtime is approximately 1 hour, depending on hardware performance.
 
 ## Tips and tricks
 
@@ -134,12 +174,21 @@ Here are some tips and tricks to boost build experience:
   ```
   {: .copy-code}
 
-## Build and runtime errors
+## Common build and runtime errors
+
+<b><font size="4">Docker runtime error</font></b>
 
-- If you see such errors when running locally-built Docker image, re-clone the repo with **LF** [file ending](https://git-scm.com/docs/git-config#Documentation/git-config.txt-coreautocrlf) and re-build the image.
-To fix this read [Source code](#source-code) section.
+If you see the following error when running a locally built Docker image:
 
 ```bash
 Standard_init_linux.go:175 exec user process caused no such file
 ```
-{: .copy-code}
+
+This usually indicates incorrect [line endings](https://git-scm.com/docs/git-config#Documentation/git-config.txt-coreautocrlf){:target="_blank"}.
+
+<b><font size="3">Solution:</font></b>   
+- Reconfigure Git to use LF line endings
+- Re-clone the repository
+- Rebuild the Docker images
+
+Refer to the [Source code](#source-code) section above for details.

images/affiliate/faq-arrow.svg

@@ -168,7 +168,8 @@ $affiliate-card-shadow: -4px 15px 50px -20px rgba(37, 51, 69, 0.15), 0 0 8px rgb
             align-items: center
             gap: 12px
             padding: 13.4px
-            background: rgba(255, 255, 255, 0.9)
+            background: rgba(255, 255, 255, 0.8)
+            backdrop-filter: blur(4px)
             -webkit-backdrop-filter: blur(8px)
             border: 1px solid rgba(255, 255, 255, 0.32)
             border-radius: 16px
@@ -309,7 +310,7 @@ $affiliate-card-shadow: -4px 15px 50px -20px rgba(37, 51, 69, 0.15), 0 0 8px rgb
                 color: $affiliate-text-secondary
                 font-weight: 500
             .profit-display
-                background: #F4F8FE
+                background: $affiliate-bg
                 border: 1px solid rgba(42, 125, 236, 0.24)
                 border-radius: 16px
                 padding: 40px
@@ -371,14 +372,11 @@ $affiliate-card-shadow: -4px 15px 50px -20px rgba(37, 51, 69, 0.15), 0 0 8px rgb
         .audience-card
             flex: 1
             background: white
-            border: 1px solid rgba(42, 125, 236, 0.16)
             border-radius: 24px
             padding: 40px
             display: flex
             flex-direction: column
-            transition: box-shadow 0.3s ease
-            &:hover
-                box-shadow: 0 15px 50px -20px rgba(37, 51, 69, 0.15), 0 0 8px 0 rgba(37, 51, 69, 0.08)
+            box-shadow: $affiliate-card-shadow
             .audience-icon
                 width: 56px
                 height: 56px
@@ -510,7 +508,6 @@ $affiliate-card-shadow: -4px 15px 50px -20px rgba(37, 51, 69, 0.15), 0 0 8px rgb
                 color: $affiliate-text-primary
             .faq-arrow
                 flex-shrink: 0
-                color: $affiliate-text-disabled
                 transition: transform 0.3s ease
             &[aria-expanded="true"] .faq-arrow
                 transform: rotate(180deg)
@@ -526,7 +523,7 @@ $affiliate-card-shadow: -4px 15px 50px -20px rgba(37, 51, 69, 0.15), 0 0 8px rgb
                 color: $affiliate-text-secondary
                 padding-bottom: 20px
         .faq-item.active .faq-answer
-            max-height: 200px
+            max-height: 500px
             opacity: 1
             transition: max-height 0.3s ease-in, opacity 0.3s ease-in