Web Analytics

Magento upgrades are not simply a matter of changing a version number and running a Composer command. A modern Magento or Adobe Commerce store can contain a customized codebase, third party extensions, custom themes, payment integrations, ERP and CRM connections, search services, APIs, scheduled jobs, database modifications, deployment automation, and business specific workflows. An upgrade can therefore affect almost every layer of an ecommerce operation.

A safe Magento upgrade begins long before the actual deployment.

The objective should not be merely to move from one Magento version to another. The objective is to reach the target version while preserving catalog data, customer accounts, orders, checkout functionality, integrations, SEO visibility, performance, security, and business continuity.

Adobe’s current upgrade guidance emphasizes planning, compatibility analysis, testing, staging, and post launch monitoring. Adobe also recommends treating upgrades as an ongoing part of the project lifecycle rather than as an occasional emergency task.

This makes Magento upgrade services particularly valuable for stores with significant customization or complex integrations. A structured upgrade process can identify compatibility problems before they reach production and can reduce the risk of emergency fixes after deployment.

What Are Magento Upgrade Services?

Magento upgrade services are professional technical services used to move an existing Magento or Adobe Commerce installation from its current release to a newer supported release while protecting the functionality and data of the ecommerce store.

Depending on the project, Magento upgrade services can include:

  • Magento version assessment
  • Adobe Commerce version assessment
  • Upgrade planning
  • Magento codebase auditing
  • Extension compatibility analysis
  • Custom module analysis
  • Custom theme compatibility review
  • PHP compatibility assessment
  • Composer dependency management
  • Database compatibility checks
  • Search engine compatibility checks
  • Elasticsearch or OpenSearch compatibility review where applicable
  • Third party integration testing
  • Payment gateway testing
  • Shipping integration testing
  • ERP integration testing
  • CRM integration testing
  • Marketplace integration testing
  • GraphQL compatibility testing
  • REST API testing
  • Checkout testing
  • Customer account testing
  • Catalog testing
  • Order processing validation
  • Cron validation
  • Indexer validation
  • Cache validation
  • Performance testing
  • Security testing
  • SEO regression testing
  • Staging deployment
  • User acceptance testing
  • Production deployment
  • Rollback planning
  • Post upgrade monitoring
  • Documentation and handover

The scope depends heavily on the current Magento version, target version, customizations, extension inventory, infrastructure, and business requirements.

Adobe specifically notes that the amount of custom work and the number and quality of third party modules can significantly affect upgrade complexity. Skipping several releases can also make the next upgrade more complicated than upgrading through consecutive releases.

That is why two Magento stores running the same current version can have completely different upgrade costs and timelines.

Why Magento Upgrades Need Careful Planning

Magento is highly extensible. That flexibility is one of its major strengths, but it also creates technical dependencies.

A simple ecommerce installation may contain:

  • Core Magento modules
  • A custom storefront theme
  • Five to ten third party extensions
  • A payment gateway
  • Shipping integration
  • Tax integration
  • Analytics
  • Email services
  • Search infrastructure
  • CDN
  • Hosting infrastructure

A larger enterprise store may contain dozens or hundreds of dependencies.

An upgrade can change:

  • PHP requirements
  • Composer dependencies
  • Database schemas
  • APIs
  • Framework behavior
  • JavaScript libraries
  • GraphQL schemas
  • Dependency injection behavior
  • Deprecated classes and methods
  • Configuration requirements
  • Search infrastructure requirements
  • Cache behavior
  • Indexing behavior
  • Security mechanisms
  • Extension compatibility
  • Theme compatibility

Consequently, a Magento upgrade should be treated as a controlled software release.

Adobe’s upgrade implementation guidance divides the upgrade process into five major phases:

  1. Upgrade analysis
  2. Development and quality assurance
  3. User acceptance testing and launch preparation
  4. Launch
  5. Post launch activities

Adobe describes upgrade analysis as particularly important because a strong analysis phase creates a detailed checklist and identifies dependencies before implementation begins.

Magento Upgrade vs Magento Update

The terms upgrade and update are often used interchangeably, but technically they can describe different scopes of work.

A Magento update may refer to moving between patch releases or applying security and quality fixes within a release line.

A Magento upgrade may involve moving between larger release levels and can introduce more substantial compatibility changes.

For example, the technical implications of moving from one patch release to another can be very different from moving between major minor release branches.

Adobe explains that security upgrades are generally the easiest type of upgrade, while minor release upgrades can require considerably more work.

For a business owner, the important distinction is not terminology alone. The important question is:

What changes between the current environment and the target environment?

That question should determine the upgrade strategy.

Why Upgrade Magento?

Businesses sometimes postpone Magento upgrades because their current store appears to be working correctly.

That approach can create technical debt.

An outdated store may eventually experience:

  • Security exposure
  • Unsupported software dependencies
  • Extension incompatibilities
  • Hosting compatibility problems
  • Payment integration problems
  • Performance limitations
  • Higher maintenance costs
  • Increasing developer difficulty
  • More complicated future upgrades
  • Compliance concerns
  • Reduced access to newer platform functionality

Adobe’s current documentation states that upgrading is important for security, PCI compliance, platform performance, and access to current capabilities. Adobe also recommends following its release schedule and planning upgrades in advance.

A Magento upgrade should therefore be considered part of ecommerce maintenance rather than a one time technical expense.

Main Benefits of Magento Upgrade Services

Professional Magento upgrade services can provide several benefits.

Better Security

Security is one of the primary reasons to keep Magento current.

Older software can contain vulnerabilities that are addressed in newer releases. Remaining on an outdated version for extended periods can increase the technical and operational burden of securing the store.

Magento security upgrades can address:

  • Application vulnerabilities
  • Framework vulnerabilities
  • Dependency vulnerabilities
  • Authentication issues
  • Authorization problems
  • Input validation weaknesses
  • Security related bugs

Security should not be considered separately from upgrade management.

Better Compatibility

A newer Magento release may require newer versions of:

  • PHP
  • Composer
  • Database software
  • Search services
  • Web server components
  • PHP extensions
  • Operating system packages

Adobe’s prerequisite guidance specifically recommends reviewing the target version’s system requirements and updating the required software and dependencies before upgrading.

Better Performance

An upgrade can provide access to newer performance improvements, but it is important not to assume that every upgrade automatically makes a store faster.

Performance depends on:

  • Application architecture
  • Custom modules
  • Database design
  • Indexing
  • Cache configuration
  • Search configuration
  • Infrastructure
  • CDN
  • Image optimization
  • JavaScript
  • Third party services

An upgrade can be an excellent opportunity to identify and remove technical bottlenecks.

Easier Future Maintenance

A well executed upgrade can reduce future technical debt.

If developers regularly maintain:

  • Clean custom modules
  • Proper extension architecture
  • Composer managed dependencies
  • Documented integrations
  • Automated tests
  • Deployment automation

future upgrades can become more predictable.

Adobe recommends developing with future upgrades in mind and using extensibility mechanisms that preserve upgradeability.

Improved Developer Productivity

Outdated Magento projects often become difficult to maintain because developers must work around old dependencies and unsupported patterns.

Modernizing the codebase can help developers:

  • Understand the architecture more quickly
  • Use current PHP practices
  • Resolve dependency conflicts more efficiently
  • Implement newer platform functionality
  • Maintain integrations
  • Automate testing
  • Improve deployment processes

When Should You Upgrade Magento?

There is no universal calendar date that works for every store.

A Magento upgrade should be considered when:

  • The current version approaches or reaches its support limitations
  • A required security update becomes available
  • Hosting dependencies need modernization
  • PHP requirements change
  • Important extensions require a newer version
  • Payment providers require platform changes
  • Performance improvements are needed
  • A business expansion requires newer platform functionality
  • The existing codebase has accumulated significant technical debt
  • Future upgrades would become harder if postponed
  • Compliance requirements demand a supported environment

Adobe recommends planning upgrades in advance and incorporating upgrade work into project roadmaps and budgets.

Magento Upgrade Services Process

A reliable Magento upgrade follows a controlled sequence rather than a single deployment command.

A typical process looks like this:

  1. Current environment discovery
  2. Version assessment
  3. Target version selection
  4. System requirements analysis
  5. Codebase audit
  6. Extension inventory
  7. Custom theme review
  8. Integration assessment
  9. Upgrade Compatibility Tool analysis
  10. Dependency resolution
  11. Upgrade roadmap
  12. Backup strategy
  13. Development environment preparation
  14. Code remediation
  15. Composer upgrade
  16. Database upgrade
  17. Static content deployment
  18. Indexing and cache validation
  19. Automated testing
  20. Manual QA
  21. Performance testing
  22. Security testing
  23. User acceptance testing
  24. Production deployment
  25. Monitoring
  26. Post upgrade optimization

Each stage has a specific purpose.

Skipping stages can reduce the initial timeline while increasing the probability of production problems.

Step 1: Audit the Existing Magento Store

Before touching the production installation, the existing environment should be documented.

The audit should identify:

  • Current Magento or Adobe Commerce version
  • PHP version
  • Composer version
  • Database version
  • Search engine version
  • Web server
  • Operating system
  • Installed extensions
  • Custom modules
  • Custom themes
  • Payment providers
  • Shipping providers
  • Tax services
  • ERP connections
  • CRM connections
  • Marketplace integrations
  • Analytics systems
  • Email services
  • CDN
  • Cache infrastructure
  • Cron configuration
  • Queue configuration
  • Deployment system
  • Git repository
  • Hosting provider
  • Cloud infrastructure
  • Database size
  • Product count
  • Customer count
  • Order volume
  • Store views
  • Websites
  • Catalog rules
  • Custom attributes
  • Custom database tables

The objective is to understand what actually exists rather than assuming the installation is close to a standard Magento implementation.

Why the Audit Matters

A store can have years of undocumented customization.

For example, a merchant may believe that the store uses only ten extensions because ten extensions are visible in the admin panel.

The codebase may actually contain:

  • Abandoned modules
  • Custom patches
  • Composer packages
  • Modified vendor code
  • Local overrides
  • Custom observers
  • Plugins
  • Preferences
  • Theme overrides
  • JavaScript overrides
  • Database modifications

These hidden dependencies can become upgrade blockers.

A professional audit should therefore inspect both configuration and source code.

Step 2: Confirm the Current Magento Version

The upgrade team should establish the exact version currently installed.

This should include:

  • Magento Open Source or Adobe Commerce identification
  • Full version number
  • Patch level
  • Installed Composer packages
  • PHP version
  • Search service
  • Database version
  • Cloud or on premises deployment model

The target should not be selected based only on marketing documentation.

The team should review the official release documentation and system requirements for the exact target.

Adobe maintains recommended upgrade paths for different starting versions, including older 2.3 and 2.4 branches.

Step 3: Select the Target Magento Version

The target version should be selected based on technical and business requirements.

Consider:

  • Current support status
  • Security requirements
  • PHP compatibility
  • Composer compatibility
  • Database compatibility
  • Search engine requirements
  • Extension compatibility
  • Hosting compatibility
  • Integration compatibility
  • Business launch schedule
  • Long term maintenance plans

The newest available release is not automatically the correct target for every environment without compatibility analysis.

The target should be documented before development begins.

Step 4: Review Magento System Requirements

Magento does not operate independently of the server stack.

A target release may require specific versions of:

  • PHP
  • MySQL or compatible database technology
  • Search services
  • Composer
  • PHP extensions
  • Web server components

Adobe’s prerequisite documentation explicitly recommends reviewing the target version’s system requirements and verifying software dependencies before beginning the upgrade.

A useful compatibility matrix can include:

Component Current Target Requirement Action
Magento Current release Target release Upgrade
PHP Current Target supported version Validate or upgrade
Composer Current Target requirement Validate or upgrade
Database Current Target requirement Validate
Search Current Target requirement Validate
Web server Current Target requirement Validate
Extensions Current Target compatible releases Upgrade or replace
Theme Current Target compatible Test
Custom modules Current Target compatible Remediate

This matrix makes dependencies visible to both technical and nontechnical stakeholders.

Step 5: Run the Magento Upgrade Compatibility Tool

The Upgrade Compatibility Tool is one of the most useful components of the Magento upgrade preparation process for Adobe Commerce installations.

Adobe describes the tool as an analyzer that checks a customized Adobe Commerce instance against a target version and reports critical issues, errors, and warnings.

It can identify potential code level problems before the actual upgrade.

The tool can be used through the command line, Site-Wide Analysis Tool integration, or supported development tooling.

A typical command is:

bin/uct upgrade:check <dir>

Adobe also documents the ability to compare against a specific target release using the –coming-version option.

For example:

bin/uct upgrade:check <dir> –coming-version 2.4.x

The exact target should always be replaced with the release being evaluated.

What the Upgrade Compatibility Tool Can Reveal

The tool can help identify:

  • Deprecated functionality
  • Incompatible PHP APIs
  • Core code changes
  • Custom code problems
  • Module compatibility issues
  • GraphQL schema differences
  • Database schema differences
  • Coding standard violations
  • Upgrade related warnings

Adobe documents commands including:

  • upgrade:check
  • dbschema:diff
  • core:code:changes
  • refactor
  • graphql:compare
  • list

for different upgrade analysis tasks.

The report should become part of the upgrade checklist.

It should not simply be generated and ignored.

Step 6: Analyze Third Party Magento Extensions

Third party extensions are among the most common causes of Magento upgrade problems.

Every extension should be classified.

A practical classification is:

Category A: Fully Compatible

The vendor provides a release explicitly supporting the target Magento version.

Category B: Compatibility Requires Verification

The vendor claims general compatibility, but the extension needs testing against the store’s actual configuration.

Category C: Requires Upgrade

The installed extension version does not support the target release.

Category D: Custom or Abandoned

The extension has no reliable upgrade path and may need modification or replacement.

Category E: No Longer Needed

The extension’s functionality is already available through the platform or is no longer required by the business.

Removing unnecessary extensions can sometimes be more valuable than upgrading every installed module.

Extension Audit Checklist

For each extension, record:

  • Module name
  • Vendor
  • Installed version
  • Target compatible version
  • License status
  • Vendor support status
  • Last update
  • Custom modifications
  • Business purpose
  • Dependencies
  • Database changes
  • Frontend impact
  • Checkout impact
  • Admin impact
  • API impact
  • Performance impact
  • Security impact
  • Replacement option
  • Testing status

This converts extension management from guesswork into a controlled process.

Step 7: Review Custom Magento Modules

Custom modules require deeper analysis than third party extensions because the development team owns the code.

Review:

  • PHP classes
  • Dependency injection
  • Plugins
  • Observers
  • Preferences
  • Controllers
  • Blocks
  • Models
  • Resource models
  • Repositories
  • API interfaces
  • Web API configuration
  • GraphQL
  • UI components
  • Cron jobs
  • Console commands
  • Database schema
  • Data patches
  • Declarative schema
  • Configuration
  • Admin grids
  • Admin forms
  • JavaScript
  • Knockout components
  • RequireJS configuration
  • Email templates

Special attention should be given to direct modifications of Magento core code.

Core modifications are particularly dangerous because they can disappear or conflict during upgrades.

A better architecture generally places business-specific behavior in custom modules rather than modifying core files.

Step 8: Review the Magento Theme

A Magento theme can contain significant customization.

Review:

  • Layout XML
  • PHTML templates
  • LESS or CSS
  • JavaScript
  • RequireJS configuration
  • UI components
  • Checkout templates
  • Product page customizations
  • Category page customizations
  • Header
  • Footer
  • Navigation
  • Search
  • Cart
  • Customer account
  • Checkout
  • Order success page

The checkout should receive special attention.

An upgrade can appear successful while a theme customization silently breaks a critical customer journey.

The testing team should therefore validate:

  • Product browsing
  • Product search
  • Product filtering
  • Add to cart
  • Cart updates
  • Coupon application
  • Guest checkout
  • Customer checkout
  • Address validation
  • Shipping selection
  • Payment selection
  • Order placement
  • Order confirmation
  • Customer account
  • Order history
  • Returns where applicable

Step 9: Check Magento Payment Integrations

Payment functionality should be treated as business critical.

Test every active payment method.

Depending on the store, this can include:

  • Credit cards
  • Debit cards
  • Wallets
  • Bank transfer
  • Cash on delivery
  • PayPal
  • Regional payment gateways
  • Buy now pay later providers
  • Subscription payment systems

Testing should cover:

  • Successful payment
  • Failed payment
  • Cancelled payment
  • Refund
  • Partial refund
  • Duplicate callback prevention
  • Webhook processing
  • Payment status synchronization
  • Order state
  • Invoice creation
  • Email notification

Do not assume that an extension being technically compatible means that every business workflow works correctly.

Step 10: Check Magento API Integrations

Modern ecommerce stores frequently depend on APIs.

A Magento upgrade can affect:

  • REST APIs
  • GraphQL
  • Custom API endpoints
  • Authentication
  • Request validation
  • Response structures
  • Custom attributes
  • Webhooks
  • External integrations

The upgrade team should identify every system consuming Magento data.

Examples include:

  • ERP
  • CRM
  • PIM
  • WMS
  • Marketplace
  • Mobile application
  • Customer portal
  • Warehouse software
  • Shipping platform
  • Accounting software
  • Marketing automation
  • Loyalty platform

GraphQL deserves specific attention for headless Magento implementations.

Adobe’s Upgrade Compatibility Tool includes a GraphQL comparison capability for identifying potentially dangerous schema changes.

Step 11: Validate Database Compatibility

Magento upgrades can change database structures.

The team should review:

  • Tables
  • Columns
  • Indexes
  • Foreign keys
  • Custom tables
  • Declarative schema
  • Data patches
  • EAV attributes
  • Custom attributes
  • Large tables
  • Database size
  • Database performance

A database backup is essential before the upgrade.

Adobe’s cloud upgrade guidance specifically recommends backing up databases in Integration, Staging, and Production environments before upgrading Commerce and extensions.

A backup is only useful if it can actually be restored.

Therefore, backup restoration should be tested as part of the disaster recovery process.

Step 12: Prepare a Development Environment

Never perform the first upgrade attempt directly on production.

A proper development environment should replicate the production stack as closely as practical.

It should include:

  • Same Magento version
  • Same codebase
  • Similar PHP version
  • Similar database structure
  • Same extensions
  • Same theme
  • Same integration configuration where safe
  • Representative product data
  • Representative customer data where appropriate
  • Representative order data
  • Similar search configuration
  • Similar caching architecture

Sensitive production data should be handled according to applicable privacy and security requirements.

The objective is to create an environment where upgrade problems can be discovered without exposing customers to them.

Step 13: Create a Full Backup Strategy

Before any major upgrade activity, create recoverable backups.

Important backup components can include:

  • Database
  • Media
  • Configuration
  • Environment variables
  • Composer files
  • Custom code
  • Deployment configuration
  • Search configuration
  • Cron configuration

Do not rely on a single backup.

A robust recovery strategy can include:

  • Pre upgrade database backup
  • Full file backup
  • Infrastructure snapshot
  • Version control tag
  • Deployment artifact
  • Rollback instructions

The team should document exactly how the store will be restored if deployment fails.

Step 14: Put the Magento Upgrade Code Under Version Control

All upgrade changes should be tracked.

The repository should clearly distinguish:

  • Existing code
  • Upgrade changes
  • Extension updates
  • Configuration changes
  • Theme modifications
  • Dependency updates
  • Database changes

Before starting development, create a baseline commit or tag.

This makes comparison and rollback much easier.

A useful branch strategy can include:

main

develop

upgrade/magento-target-version

The actual strategy depends on the development team’s workflow.

Step 15: Upgrade Composer Dependencies Carefully

Composer controls a major portion of the Magento dependency ecosystem.

An upgrade can change:

  • Magento packages
  • Framework packages
  • Symfony packages
  • PHP libraries
  • Extension packages
  • Third party dependencies

The team should avoid blindly running broad dependency updates.

Instead:

  1. Review current dependencies.
  2. Determine required package versions.
  3. Check conflicts.
  4. Upgrade required packages.
  5. Resolve dependency conflicts.
  6. Run Composer validation.
  7. Run application tests.
  8. Review the lock file.
  9. Deploy to staging.
  10. Repeat testing.

Adobe’s current upgrade procedure uses Composer based upgrade workflows for supported on premises installations and notes that the precise upgrade commands and prerequisites depend on the source and target versions.

The exact commands should therefore be taken from the official documentation for the specific upgrade path.

Step 16: Upgrade Magento in a Controlled Sequence

The technical upgrade sequence varies by version and deployment model.

A generalized sequence can include:

  1. Put the codebase into the upgrade branch.
  2. Confirm backups.
  3. Confirm system requirements.
  4. Update Composer dependencies.
  5. Update Magento packages.
  6. Resolve package conflicts.
  7. Run Composer install or update as appropriate.
  8. Run Magento setup upgrade commands.
  9. Compile dependency injection if required.
  10. Deploy static content.
  11. Clean and warm caches.
  12. Reindex.
  13. Validate cron.
  14. Validate queues.
  15. Run automated tests.
  16. Run manual QA.
  17. Perform performance testing.
  18. Perform security checks.

The exact commands and sequence should match the official documentation for the target version and hosting environment.

Step 17: Validate Magento Cron

Cron is essential for many Magento operations.

An upgraded store should be tested for:

  • Scheduled imports
  • Emails
  • Catalog price rules
  • Sitemap generation
  • Customer notifications
  • Indexing
  • Asynchronous operations
  • Queue consumers
  • Inventory operations
  • Third party synchronization

Check:

  • Cron is running
  • Cron groups are running
  • Jobs are completing
  • Failed jobs are visible
  • Long running jobs are identified
  • Queue consumers are healthy

A store can look functional immediately after an upgrade while scheduled processes are silently failing.

That is why post upgrade validation must extend beyond the storefront.

Step 18: Validate Magento Indexers

Magento relies heavily on indexing.

Check:

  • Product attributes
  • Catalog search
  • Category-product relationships
  • Price indexes
  • Inventory indexes
  • Stock status
  • Rule indexes
  • Customer related indexes where applicable

After an upgrade, validate:

  • Indexer status
  • Indexer mode
  • Indexer execution
  • Indexer failures
  • Search results
  • Product visibility
  • Pricing
  • Inventory status

A broken indexer can create problems that appear to be frontend issues.

Step 19: Test Magento Cache

Magento caching should be validated after deployment.

Check:

  • Configuration cache
  • Block cache
  • Page cache
  • Full page cache
  • CDN cache
  • Reverse proxy
  • Browser cache behavior

Testing should include both cached and uncached behavior.

Verify that:

  • Product changes appear correctly
  • Pricing updates propagate
  • Inventory changes appear correctly
  • Customer-specific content behaves correctly
  • Cart data remains accurate
  • Checkout remains functional

Step 20: Test Search

Search is a critical ecommerce function.

Test:

  • Exact product searches
  • Partial searches
  • SKU searches
  • Category searches
  • Synonyms
  • Filters
  • Sorting
  • No result pages
  • Search suggestions
  • Relevance
  • Product visibility

Also test search performance.

A Magento upgrade that completes successfully but produces poor search behavior can still create a significant commercial problem.

Step 21: Perform Functional Testing

Functional testing should cover the complete customer journey.

A practical test matrix includes:

Homepage

  • Page loads
  • Navigation works
  • Images load
  • Search works
  • Promotional elements work

Category Pages

  • Categories load
  • Filters work
  • Sorting works
  • Pagination works
  • Product links work

Product Pages

  • Product loads
  • Images work
  • Options work
  • Pricing is correct
  • Inventory is correct
  • Add to cart works

Cart

  • Quantity updates
  • Product removal
  • Coupons
  • Shipping calculation
  • Tax calculation
  • Cart totals

Checkout

  • Guest checkout
  • Customer checkout
  • Address validation
  • Shipping
  • Payment
  • Order placement
  • Confirmation

Customer Account

  • Registration
  • Login
  • Password reset
  • Address management
  • Order history
  • Account information

Administration

  • Product management
  • Order management
  • Customer management
  • Configuration
  • Reports
  • Marketing tools

Step 22: Perform SEO Regression Testing

Magento upgrades can unintentionally affect SEO.

SEO testing should include:

  • URL structure
  • Canonical URLs
  • Meta titles
  • Meta descriptions
  • Robots directives
  • XML sitemap
  • Breadcrumbs
  • Structured data
  • Pagination
  • Internal links
  • Redirects
  • Product URLs
  • Category URLs
  • Image URLs
  • 404 responses

Also compare important pages before and after the upgrade.

Check whether:

  • Canonical tags changed
  • URLs changed
  • Redirects disappeared
  • Indexation directives changed
  • Structured data broke
  • Page titles changed
  • Category content disappeared
  • Product metadata changed

An upgrade should not be considered complete until important organic landing pages have been checked.

Step 23: Perform Core Web Performance Testing

Performance should be measured before and after the upgrade.

Useful metrics can include:

  • Time to first byte
  • Largest Contentful Paint
  • Interaction to Next Paint
  • Cumulative Layout Shift
  • Server response time
  • Database response time
  • API response time
  • Search response time
  • Checkout response time

Also measure:

  • CPU usage
  • Memory usage
  • Database load
  • PHP worker usage
  • Cache hit rate
  • Search service load

Performance testing is more useful when it compares equivalent workloads.

For example, test the same product page under similar cache conditions before and after the upgrade.

Step 24: Perform Security Testing

Security testing should be part of the upgrade process.

Review:

  • Magento security status
  • Composer dependencies
  • File permissions
  • Admin accounts
  • API credentials
  • Integration credentials
  • Authentication
  • Authorization
  • Admin access restrictions
  • Web server configuration
  • Security headers
  • Malware indicators
  • Suspicious files

Adobe’s upgrade planning guidance also recommends post deployment security scanning as part of the upgrade lifecycle.

Step 25: User Acceptance Testing

Technical QA is not enough.

Business stakeholders should test the workflows they actually use.

UAT can include:

  • Product creation
  • Product editing
  • Pricing updates
  • Promotions
  • Customer management
  • Order processing
  • Refunds
  • Shipping
  • Inventory
  • Reports
  • Marketing operations
  • CMS editing
  • Customer service workflows

Adobe’s current cloud upgrade guidance specifically recommends completing post upgrade UAT and resolving issues associated with custom and third party extensions.

Step 26: Prepare the Production Deployment

Production deployment should have a written runbook.

The runbook should specify:

  • Deployment date
  • Deployment time
  • Responsible personnel
  • Maintenance window
  • Backup completion
  • Deployment commands
  • Validation commands
  • Testing sequence
  • Monitoring procedure
  • Rollback criteria
  • Rollback procedure
  • Stakeholder contacts

Avoid improvising critical production procedures during the deployment.

Magento Maintenance Mode

For upgrades requiring downtime, prepare a maintenance page.

The page should communicate:

  • Store maintenance is underway
  • The expected return window
  • Customer support information where appropriate

Adobe recommends preparing a maintenance page as part of the upgrade process so customers have a clear experience while the store is unavailable.

Step 27: Define Rollback Criteria

A rollback plan should exist before production deployment begins.

Possible rollback triggers include:

  • Checkout failure
  • Payment failure
  • Severe database errors
  • Critical API failure
  • Search failure
  • Inventory synchronization failure
  • Major performance degradation
  • Data integrity concerns
  • Broken customer login
  • Unexpected order processing problems

Not every error requires rollback.

The team should define severity thresholds in advance.

For example:

Critical

  • Orders cannot be placed
  • Payment processing fails
  • Customer data is inaccessible
  • Database integrity is questionable

High

  • Major category functionality fails
  • Search fails
  • Important integration fails

Medium

  • Noncritical admin feature fails
  • Minor frontend visual issue

Low

  • Cosmetic issue
  • Noncritical reporting discrepancy

The actual rollback decision should be based on the store’s business priorities and incident plan.

Step 28: Deploy to Staging Before Production

Staging should be as close to production as possible.

The staging environment should receive the complete upgraded application.

Validate:

  • Homepage
  • Catalog
  • Search
  • Cart
  • Checkout
  • Customer account
  • Admin
  • Payment
  • Shipping
  • Tax
  • APIs
  • Integrations
  • Cron
  • Queues
  • Indexers
  • Cache
  • Performance
  • SEO

Adobe explicitly recommends using staging to test and validate upgrades before moving to production.

Magento Upgrade Testing Checklist

A comprehensive testing checklist can include:

Application

  • Magento loads
  • Admin loads
  • Configuration works
  • Modules load
  • Theme loads
  • Static assets load

Catalog

  • Products
  • Categories
  • Attributes
  • Configurable products
  • Bundle products
  • Grouped products
  • Virtual products
  • Downloadable products where applicable

Customer

  • Registration
  • Login
  • Password reset
  • Address management
  • Account dashboard
  • Order history

Checkout

  • Guest checkout
  • Registered checkout
  • Shipping
  • Tax
  • Discount
  • Payment
  • Order placement

Order management

  • Orders appear
  • Invoices work
  • Shipments work
  • Refunds work
  • Credit memos work
  • Order emails work

Integrations

  • ERP
  • CRM
  • PIM
  • WMS
  • Payment
  • Shipping
  • Tax
  • Marketing
  • Analytics

Technical

  • Cron
  • Queue
  • Indexers
  • Cache
  • Search
  • Logs
  • Database
  • APIs

SEO

  • URLs
  • Redirects
  • Canonicals
  • Sitemap
  • Robots
  • Metadata
  • Structured data

Security

  • Authentication
  • Authorization
  • Admin access
  • API credentials
  • File permissions
  • Security scanning

Common Magento Upgrade Problems

Magento upgrades can fail for predictable reasons.

Understanding common failure points can make the process more controlled.

Incompatible Third Party Extension

An extension may depend on an older Magento API.

Symptoms can include:

  • Fatal PHP errors
  • Broken admin
  • Checkout failures
  • Missing frontend blocks
  • Dependency injection errors

The solution may be:

  • Upgrade the extension
  • Patch the extension
  • Replace the extension
  • Remove the extension

Deprecated PHP Code

A target Magento version may require a newer PHP environment.

Older custom code can produce:

  • Deprecated warnings
  • Fatal errors
  • Type errors
  • Method signature conflicts
  • Runtime exceptions

Code should be reviewed before deployment.

Composer Dependency Conflict

Composer may detect incompatible package requirements.

For example:

Package A requires library version 1.x

Package B requires library version 2.x

Target Magento requires library version 3.x

The resolution may require upgrading or replacing one or more packages.

Theme Compatibility Problem

A custom theme can depend on frontend behavior that changes between releases.

Symptoms include:

  • Broken menus
  • Missing JavaScript
  • Incorrect product layouts
  • Broken checkout
  • Console errors
  • Missing styles

Theme regression testing is therefore essential.

Search Failure

Search problems may result from:

  • Unsupported search service
  • Incorrect configuration
  • Indexing problems
  • Extension incompatibility
  • Authentication issues
  • Network configuration

Search should be tested independently from general storefront testing.

Database Schema Error

A module may contain outdated database definitions.

This can cause:

  • Schema conflicts
  • Failed setup upgrades
  • Missing columns
  • Incorrect indexes
  • Data migration problems

Database changes should be tested on a copy of production data or representative data before production deployment.

How Much Do Magento Upgrade Services Cost?

Magento upgrade costs vary substantially.

There is no reliable single price that applies to every store.

Cost is affected by:

  • Current Magento version
  • Target version
  • Number of releases being crossed
  • Number of extensions
  • Custom modules
  • Theme complexity
  • Database size
  • Number of stores
  • Number of websites
  • Integrations
  • Headless architecture
  • ERP complexity
  • Checkout customization
  • Payment integrations
  • Infrastructure
  • Automated testing maturity
  • Code quality
  • Documentation
  • Deployment complexity
  • UAT requirements

A basic patch level update can be relatively contained.

A legacy Magento store with extensive customization can require a much larger modernization project.

Magento Upgrade Cost Categories

A practical budgeting structure includes:

Cost Area Typical Work
Discovery Audit and architecture review
Compatibility UCT and dependency analysis
Development Code remediation
Extensions Updates, patches, replacements
Theme Compatibility fixes
Infrastructure PHP, database, search, server changes
Testing QA and regression testing
Integration ERP, CRM, payment and API validation
Deployment Production release
Monitoring Post launch observation
Documentation Technical handover

The most important budgeting principle is to avoid estimating the upgrade solely from the number of Magento version changes.

Two stores making the same version transition can require dramatically different effort.

Magento Upgrade Timeline

The timeline depends on complexity.

A simple upgrade may involve:

  • Short audit
  • Limited extensions
  • Minimal custom code
  • Standard theme
  • Few integrations

A complex enterprise upgrade can involve:

  • Multiple environments
  • Large databases
  • Extensive customization
  • Multiple websites
  • Headless frontend
  • ERP
  • PIM
  • CRM
  • WMS
  • Multiple payment gateways
  • Custom checkout
  • Extensive testing

A useful project schedule can be structured around:

Discovery

  • Current state audit
  • Target release analysis
  • Dependency review

Compatibility

  • UCT analysis
  • Extension assessment
  • Theme review
  • Integration assessment

Development

  • Code remediation
  • Dependency updates
  • Theme fixes
  • Extension upgrades

QA

  • Functional testing
  • Regression testing
  • Integration testing
  • Performance testing

UAT

  • Business validation
  • Stakeholder approval
  • Launch readiness

Production

  • Backup
  • Deployment
  • Validation
  • Monitoring

The timeline should be based on actual findings rather than an arbitrary number of days.

Magento Upgrade Services for Legacy Stores

Legacy Magento installations deserve special attention.

A legacy store may contain:

  • Magento 1 history
  • Old Magento 2 versions
  • Unsupported extensions
  • Custom core modifications
  • Old PHP code
  • Unused modules
  • Abandoned integrations
  • Large technical debt

The first question should not always be:

How quickly can we upgrade?

A more useful question is:

What needs to be changed before upgrading safely?

For some stores, modernization should precede or accompany the upgrade.

Magento Upgrade vs Magento Migration

These terms should not be confused.

A Magento upgrade normally keeps the existing platform and moves it to a newer supported release.

A migration may involve moving:

  • Magento 1 to Magento 2
  • Magento to another ecommerce platform
  • On premises Magento to cloud infrastructure
  • One hosting environment to another

Migration typically introduces additional concerns around:

  • Data mapping
  • URL changes
  • Customer migration
  • Order migration
  • SEO preservation
  • Infrastructure
  • New architecture

A Magento upgrade can still be complex, but it generally focuses on evolving the existing Magento implementation.

Magento Upgrade for Adobe Commerce

Adobe Commerce projects can have additional considerations.

These may include:

  • Cloud infrastructure
  • Deployment pipelines
  • Adobe Commerce services
  • Environment configuration
  • Service versions
  • Integration environments
  • Staging
  • Production infrastructure

Adobe’s cloud guidance recommends keeping technology stack components updated before they approach end of life to reduce security vulnerabilities and support compliance.

Cloud projects should follow the specific upgrade procedures for the relevant Adobe Commerce environment rather than applying on premises instructions blindly.

Magento Upgrade for Cloud Infrastructure

Cloud upgrades require additional deployment awareness.

A typical workflow can involve:

  1. Development
  2. Integration
  3. Staging
  4. Production

The team should validate:

  • Environment variables
  • Build configuration
  • Deployment configuration
  • Services
  • PHP version
  • Search service
  • Database
  • Cron
  • Consumers
  • Static content
  • Cache
  • Infrastructure configuration

Adobe also documents specific procedures for cloud projects and distinguishes those procedures from on premises Composer based upgrade methods.

How to Reduce Magento Upgrade Risk

Risk reduction begins with preparation.

Use these practices:

  • Upgrade regularly
  • Avoid unsupported versions
  • Keep extensions maintained
  • Remove unused modules
  • Avoid modifying core code
  • Maintain version control
  • Use staging
  • Automate testing
  • Maintain backups
  • Test restoration
  • Document integrations
  • Monitor dependencies
  • Run compatibility analysis
  • Keep PHP and infrastructure current
  • Maintain a rollback plan
  • Schedule upgrades before emergencies occur

Adobe recommends treating upgrades as a planned and recurring activity and allocating budget and resources ahead of time.

Magento Upgrade Best Practices

A professional Magento upgrade process should follow several principles.

Upgrade Regularly

Large gaps between upgrades can increase complexity.

Adobe specifically notes that skipping multiple releases can make future upgrades more difficult, while upgrading through consecutive releases tends to make the process easier.

Test Before Production

Never use production as the first serious testing environment.

Keep a Clean Codebase

The cleaner the codebase, the easier it is to identify upgrade problems.

Minimize Core Modifications

Custom business logic should generally be implemented through appropriate extension mechanisms.

Maintain an Extension Inventory

Know what is installed and why.

Remove Unnecessary Extensions

Unused modules still create maintenance overhead.

Automate Regression Testing

Automated tests reduce repetitive manual validation.

Document the Environment

Documentation makes upgrades faster and reduces dependence on individual developers.

Monitor After Deployment

An upgrade is not complete immediately after the deployment command finishes.

The first hours and days after release should be monitored closely.

Magento Upgrade Post Launch Monitoring

Monitor:

  • HTTP errors
  • PHP errors
  • Magento exceptions
  • Checkout failures
  • Payment failures
  • Order volume
  • Conversion rate
  • Search errors
  • API errors
  • Queue failures
  • Cron failures
  • Database performance
  • Server resources
  • Cache performance
  • Customer support complaints

Business monitoring is just as important as technical monitoring.

For example, if technical dashboards show that the website is operational but order completion has suddenly fallen, the upgrade should still be investigated.

Magento Upgrade KPIs

Useful KPIs can include:

Technical KPIs

  • Error rate
  • API response time
  • Page response time
  • Search response time
  • Checkout response time
  • Server CPU
  • Memory usage
  • Database load
  • Cache hit rate

Ecommerce KPIs

  • Conversion rate
  • Add to cart rate
  • Checkout completion
  • Payment success rate
  • Order volume
  • Average order value

SEO KPIs

  • Organic traffic
  • Indexed URLs
  • Crawl errors
  • Ranking changes
  • Organic landing page performance

The comparison should use an appropriate baseline and account for seasonality, promotions, traffic changes, and other business variables.

Magento Upgrade Checklist

Before development:

  • Confirm current version
  • Confirm target version
  • Review release documentation
  • Review system requirements
  • Inventory extensions
  • Inventory custom modules
  • Inventory themes
  • Inventory integrations
  • Review infrastructure
  • Review database
  • Run compatibility analysis
  • Create upgrade plan

Before staging:

  • Create backups
  • Confirm repository state
  • Create upgrade branch
  • Update dependencies
  • Resolve compatibility issues
  • Upgrade extensions
  • Update custom code
  • Update theme
  • Validate database
  • Deploy to staging

During QA:

  • Test storefront
  • Test catalog
  • Test search
  • Test cart
  • Test checkout
  • Test payment
  • Test shipping
  • Test customer account
  • Test admin
  • Test APIs
  • Test integrations
  • Test cron
  • Test queues
  • Test indexers
  • Test cache
  • Test SEO
  • Test security
  • Test performance

Before production:

  • Obtain UAT approval
  • Confirm backup
  • Confirm rollback plan
  • Confirm maintenance window
  • Confirm deployment runbook
  • Confirm responsible team members
  • Confirm monitoring

After production:

  • Verify homepage
  • Verify catalog
  • Verify search
  • Verify cart
  • Verify checkout
  • Verify payment
  • Verify orders
  • Verify integrations
  • Verify cron
  • Verify queues
  • Verify indexers
  • Monitor logs
  • Monitor performance
  • Monitor business KPIs
  • Perform security review
  • Document lessons learned

Questions to Ask a Magento Upgrade Service Provider

Before hiring an upgrade team, ask:

Technical Experience

  • Which Magento versions have you upgraded?
  • Have you worked with the target version?
  • Can you analyze custom modules?
  • Can you work with Adobe Commerce?
  • Do you support cloud and on premises environments?

Compatibility

  • Do you use the Upgrade Compatibility Tool?
  • How do you evaluate extensions?
  • How do you handle custom code?
  • How do you handle theme compatibility?

Testing

  • Do you have automated tests?
  • Do you provide staging?
  • How do you test checkout?
  • How do you test payment gateways?
  • How do you validate APIs?
  • How do you perform SEO regression testing?

Deployment

  • How do you handle backups?
  • What is the rollback process?
  • How long is the expected maintenance window?
  • Who performs production deployment?
  • What monitoring is provided after launch?

Documentation

  • Will you provide an upgrade report?
  • Will you document changes?
  • Will you provide test results?
  • Will you provide deployment documentation?
  • Will you provide post upgrade recommendations?

The answers can reveal whether a provider treats the project as a controlled engineering process or simply as a package update.

Why the Cheapest Magento Upgrade Can Become Expensive

A low initial quote may not include:

  • Extension remediation
  • Custom module fixes
  • Theme fixes
  • Integration testing
  • Performance testing
  • SEO testing
  • Security testing
  • UAT
  • Production monitoring
  • Rollback preparation

The actual cost can increase when these activities become necessary after development begins.

A more useful quote should clearly define:

  • Scope
  • Current version
  • Target version
  • Extensions included
  • Custom code included
  • Theme included
  • Integrations included
  • Testing included
  • Deployment included
  • Support period
  • Exclusions

Fixed Price vs Hourly Magento Upgrade Services

Both models can work.

Fixed Price

Fixed pricing can be useful when:

  • Scope is well understood
  • Codebase is already audited
  • Dependencies are documented
  • Target version is known
  • Testing requirements are defined

The main risk is insufficient scope definition.

Hourly

Hourly billing can be useful when:

  • The codebase is unknown
  • Legacy issues are expected
  • Compatibility problems are uncertain
  • Requirements may evolve

The risk is that final cost becomes harder to predict.

A hybrid model can also work:

  1. Fixed price discovery
  2. Detailed technical audit
  3. Defined upgrade scope
  4. Fixed or milestone based implementation

This approach can make complex Magento upgrades easier to budget.

When Magento Upgrade Services Are Worth Considering

Professional Magento upgrade services can be particularly useful when the store has:

  • Significant customization
  • Multiple extensions
  • Custom checkout
  • Complex payment architecture
  • ERP integration
  • CRM integration
  • PIM integration
  • WMS integration
  • Headless frontend
  • Multiple storefronts
  • Large catalog
  • High order volume
  • Large database
  • Strict uptime requirements
  • Complex deployment infrastructure
  • Limited internal Magento expertise

For a small and lightly customized store, the process may be relatively straightforward.

For a large enterprise store, upgrade engineering can become a substantial project requiring coordination across development, infrastructure, QA, ecommerce, marketing, and business teams.

Building an Upgrade Friendly Magento Store

The safest upgrade is usually the one prepared long before the next upgrade.

An upgrade friendly Magento architecture should emphasize:

  • Modular customization
  • Clean code
  • Supported extensions
  • Minimal core modifications
  • Version control
  • Automated deployment
  • Automated testing
  • Documented APIs
  • Documented infrastructure
  • Regular dependency updates
  • Regular security maintenance

Adobe’s current best practices emphasize designing projects with future upgrades in mind and using extensibility approaches that make ongoing maintenance easier.

Magento Upgrade Services and Long Term Maintenance

An upgrade should not be treated as an isolated project.

A better maintenance strategy combines:

  • Security updates
  • Patch releases
  • Extension maintenance
  • Infrastructure maintenance
  • Performance optimization
  • Code quality reviews
  • Automated testing
  • Periodic upgrade planning

This reduces the likelihood of accumulating years of technical debt.

Adobe recommends incorporating upgrade planning into annual budgets and ongoing project roadmaps rather than waiting until an upgrade becomes urgent.

Final Preparation Before a Magento Upgrade

A safe Magento upgrade can be summarized as:

Understand the current environment.

Understand the target environment.

Identify the gap.

Resolve compatibility problems before deployment.

Test extensively.

Create recoverable backups.

Deploy through a controlled process.

Monitor after launch.

The most important lesson is that the actual Magento version change is only one component of the project.

The larger challenge is ensuring that the surrounding ecosystem continues to work.

A successful upgrade should preserve:

  • Products
  • Customers
  • Orders
  • Payments
  • Shipping
  • Inventory
  • Integrations
  • SEO
  • Performance
  • Security
  • Business workflows

while creating a cleaner foundation for future releases.

Adobe’s current guidance reinforces this approach. The recommended workflow emphasizes early planning, compatibility analysis, system requirement checks, staging, testing, UAT, controlled launch procedures, and post deployment monitoring.

For businesses managing a customized Magento store, the safest approach is therefore not to ask only, “How do we upgrade Magento?”

The better question is:

“How do we upgrade Magento while proving that every critical part of our ecommerce operation still works?”

That shift in thinking turns an upgrade from a risky technical event into a controlled modernization process.

 

FILL THE BELOW FORM IF YOU NEED ANY WEB OR APP CONSULTING





    Need Customized Tech Solution? Let's Talk





      Let's Discuss Your Requirement