It seems like it's stuck in starting, not being able to run the DB migration.
1.53.1 worked without problems.
Will roll back now, but would be cool if this can get solved soon. 
Here are the logs:
Jul 21 19:15:51 => Starting chatwoot
Jul 21 19:15:51 => Sourcing /app/data/env.sh
Jul 21 19:15:51 => Upgrading existing db
Jul 21 19:15:58 /root/.rbenv/versions/3.4.4/lib/ruby/gems/3.4.0/gems/reline-0.3.6/lib/reline/terminfo.rb:2: warning: /root/.rbenv/versions/3.4.4/lib/ruby/3.4.0/fiddle.rb was loaded from the standard library, but will no longer be part of the default gems starting from Ruby 3.5.0.
Jul 21 19:15:58 You can add fiddle to your Gemfile or gemspec to silence this warning.
Jul 21 19:15:58 Also please contact the author of reline-0.3.6 to request adding fiddle into its gemspec.
Jul 21 19:15:59 W, [2026-07-21T16:15:59.308574 #11] WARN -- :
Jul 21 19:15:59 !!! RubyLLM's legacy acts_as API is deprecated and will be removed in RubyLLM 2.0.0. Please consult the migration guide at https://rubyllm.com/upgrading-to-1-7/
Jul 21 19:15:59 2026-07-21T16:15:59Z
Jul 21 19:15:59 I, [2026-07-21T16:15:59.632637 #11] INFO -- : [rake ip_lookup:setup] IP_LOOKUP_API_KEY empty. Skipping geoip database setup
Jul 21 19:16:00 => Healthcheck error: Error: connect ECONNREFUSED 172.18.19.134:3000
Jul 21 19:16:00 I, [2026-07-21T16:16:00.165470 #11] INFO -- : Migrating to AddInboxScopeToEmailTemplates (20260706000000)
Jul 21 19:16:00 == 20260706000000 AddInboxScopeToEmailTemplates: migrating ====================
Jul 21 19:16:00 -- add_column(:email_templates, :inbox_id, :integer)
Jul 21 19:16:00 -> 0.0038s
Jul 21 19:16:00 -- add_index(:email_templates, :inbox_id, {name: "index_email_templates_on_inbox_id"})
Jul 21 19:16:00 -> 0.0050s
Jul 21 19:16:00 -- remove_index(:email_templates, {name: "index_email_templates_on_name_and_account_id"})
Jul 21 19:16:00 bin/rails aborted!
Jul 21 19:16:00 StandardError: An error has occurred, this and all later migrations canceled: (StandardError)
Jul 21 19:16:00 2026-07-21T16:16:00Z
Jul 21 19:16:00 PG::UndefinedObject: ERROR: index "index_email_templates_on_name_and_account_id" does not exist
Jul 21 19:16:00 /app/code/db/migrate/20260706000000_add_inbox_scope_to_email_templates.rb:6:in 'AddInboxScopeToEmailTemplates#up'
Jul 21 19:16:00 /app/code/lib/tasks/db_enhancements.rake:26:in 'block (3 levels) in <main>'
Jul 21 19:16:00 /app/code/lib/tasks/db_enhancements.rake:18:in 'Array#each'
Jul 21 19:16:00 /app/code/lib/tasks/db_enhancements.rake:18:in 'block (2 levels) in <main>'
Jul 21 19:16:00 2026-07-21T16:16:00Z
Jul 21 19:16:00 Caused by:
Jul 21 19:16:00 ActiveRecord::StatementInvalid: PG::UndefinedObject: ERROR: index "index_email_templates_on_name_and_account_id" does not exist (ActiveRecord::StatementInvalid)
Jul 21 19:16:00 /app/code/db/migrate/20260706000000_add_inbox_scope_to_email_templates.rb:6:in 'AddInboxScopeToEmailTemplates#up'
Jul 21 19:16:00 /app/code/lib/tasks/db_enhancements.rake:26:in 'block (3 levels) in <main>'
Jul 21 19:16:00 /app/code/lib/tasks/db_enhancements.rake:18:in 'Array#each'
Jul 21 19:16:00 /app/code/lib/tasks/db_enhancements.rake:18:in 'block (2 levels) in <main>'
Jul 21 19:16:00 2026-07-21T16:16:00Z
Jul 21 19:16:00 Caused by:
Jul 21 19:16:00 PG::UndefinedObject: ERROR: index "index_email_templates_on_name_and_account_id" does not exist (PG::UndefinedObject)
Jul 21 19:16:00 /app/code/db/migrate/20260706000000_add_inbox_scope_to_email_templates.rb:6:in 'AddInboxScopeToEmailTemplates#up'
Jul 21 19:16:00 /app/code/lib/tasks/db_enhancements.rake:26:in 'block (3 levels) in <main>'
Jul 21 19:16:00 /app/code/lib/tasks/db_enhancements.rake:18:in 'Array#each'
Jul 21 19:16:00 /app/code/lib/tasks/db_enhancements.rake:18:in 'block (2 levels) in <main>'
Jul 21 19:16:00 Tasks: TOP => db:migrate
Jul 21 19:16:00 (See full trace by running task with --trace)