v6.6.0

What's Changed

• feat(MessageBar): added custom attach and additional actions by @thatblindgeye in #789
• feat(MessageBar): allowed controlled message value by @thatblindgeye in #798
• docs(design-guidelines): Updates sources guidelines. by @edonehoo in #795
• docs(design-guidelines): Adds guidelines around starting new chats. by @edonehoo in #793
• feat(DeepThinking): added isLoading prop by @thatblindgeye in #801
• feat(Sources): added non-paginated layout by @thatblindgeye in #802
• feat(Messages): added right-aligned and no metadata variants by @thatblindgeye in #805
• fix(ResponseActions): updated action alignment for end aligned message by @thatblindgeye in #807
• feat(messages): fill positive, negative, and copy action icons on click by @wise-king-sullyman in #812
• feat(ResponseActions): added opt-in for hiding actions until interaction by @thatblindgeye in #806
• docs(chatbot): Updates docs to ensure chat history drawer is consistently named. by @edonehoo in #818
• chore: PF team labels and gated Surge PR preview by @nicolethoen in #830
• fix(Misc): updated background and border color tokens by @thatblindgeye in #840
• fix(MessageBar): corrected 6.5 border colors by @thatblindgeye in #842

Full Changelog: v6.5.0...v6.6.0

prerelease-v6.6.0-prerelease.9

6.6.0-prerelease.9 (2026-05-21)

Bug Fixes

• Fix formatting in README.md (b830b8c)

prerelease-v6.6.0-prerelease.8

6.6.0-prerelease.8 (2026-05-21)

Bug Fixes

• MessageBar: corrected 6.5 border colors (373fccd)

prerelease-v6.6.0-prerelease.7

6.6.0-prerelease.7 (2026-05-20)

Bug Fixes

• Misc: updated background and border color tokens (3c2b201)

prerelease-v6.6.0-prerelease.6

6.6.0-prerelease.6 (2026-02-18)

Features

• ResponseActions: added opt-in for hiding actions until interaction (75637cd)

prerelease-v6.6.0-prerelease.5

6.6.0-prerelease.5 (2026-02-17)

Bug Fixes

• ResponseActions: prevent incorrect click outside detection (4739445)

Features

• messages: fill positive, negative, and copy action icons on click (c4fbe25)
• ResponseActions: remove copy action from icon swapping (4215d05)

prerelease-v6.6.0-prerelease.4

6.6.0-prerelease.4 (2026-02-17)

Bug Fixes

• ResponseActions: updated action alignment for end aligned message (19e83a8)

prerelease-v6.6.0-prerelease.3

6.6.0-prerelease.3 (2026-02-11)

Features

• Messages: added right-aligned and no metadata variants (62b26d1)
• Sources: added non-paginated layout (f56ff68)

prerelease-v6.6.0-prerelease.2

6.6.0-prerelease.2 (2026-02-05)

Features

• DeepThinking: added isLoading prop (1d08645)

prerelease-v6.6.0-prerelease.1

6.6.0-prerelease.1 (2026-01-30)

Bug Fixes

• Improve formatting in README.md (3549144)