• [ci skip] bump to 3.4.1 (commit)

• Add type for DomApiNative's setAttribute method. (commit)

• Remove gen-typescript-declarations; manually add LegacyElementMixin's setAttribute type. (commit)

• Remove "DO NOT EDIT" warning comments. (commit)

• Track TypeScript declarations. (commit)

• Update Closure types for overridden setAttribute in LegacyElementMixin. (commit)

• Add method / parameter descriptions. (commit)

• Fix TypeScript breakages by specifying types for overridden setAttribute and getAttribute. (commit)

• Add complete commit list for v3.4.0 (commit)

• Fix a couple more compiler warnings (commit)

• Typos and other minor changes. (commit)

• Add a note about a bug fix for chunking. (commit)

• Add useAdoptedStyleSheetsWithBuiltCSS section. (commit)

• Add setters to settings titles. (commit)

• Add a note about orderedComputed and cycles. (commit)

• Add example of overriding suppressTemplateNotifications via notify-dom-change. (commit)

• Add a section about automatic use of constructable stylesheets. (commit)

• Add "Other new features" section for reuseChunkedInstances and LegacyElementMixin's built-in disable-upgrade support. (commit)

• Added notes for fastDomIf, removeNestedTemplates, suppressNestedTemplates, and suppressTemplateNotifications. (commit)

• Started on release notes for legacyUndefined, legacyWarnings, orderedComputed. (...) (commit)

• Remove unused externs. (commit)

https://github.com/Polymer/polymer/compare/v3.4.0...v3.4.1