:art:

Improve structure / format of the code.

:zap:

Improve performance.

:fire:

Remove code or files.

:bug:

Fix a bug.

:ambulance:

Critical hotfix.

:sparkles:

Introduce new features.

:memo:

Add or update documentation.

:rocket:

Deploy stuff.

:lipstick:

Add or update the UI and style files.

:tada:

Begin a project.

:white_check_mark:

Add, update, or pass tests.

:lock:

Fix security issues.

:closed_lock_with_key:

Add or update secrets.

:bookmark:

Release / Version tags.

:rotating_light:

Fix compiler / linter warnings.

:construction:

Work in progress.

:green_heart:

Fix CI Build.

:arrow_down:

Downgrade dependencies.

:arrow_up:

Upgrade dependencies.

:pushpin:

Pin dependencies to specific versions.

:construction_worker:

Add or update CI build system.

:chart_with_upwards_trend:

Add or update analytics or track code.

:recycle:

Refactor code.

:heavy_plus_sign:

Add a dependency.

:heavy_minus_sign:

Remove a dependency.

:wrench:

Add or update configuration files.

:hammer:

Add or update development scripts.

:globe_with_meridians:

Internationalization and localization.

:pencil2:

Fix typos.

:poop:

Write bad code that needs to be improved.

:rewind:

Revert changes.

:twisted_rightwards_arrows:

Merge branches.

:package:

Add or update compiled files or packages.

:alien:

Update code due to external API changes.

:truck:

Move or rename resources (e.g.: files, paths, routes).

:page_facing_up:

Add or update license.

:boom:

Introduce breaking changes.

:bento:

Add or update assets.

:wheelchair:

Improve accessibility.

:bulb:

Add or update comments in source code.

:beers:

Write code drunkenly.

:speech_balloon:

Add or update text and literals.

:card_file_box:

Perform database related changes.

:loud_sound:

Add or update logs.

:mute:

Remove logs.

:busts_in_silhouette:

Add or update contributor(s).

:children_crossing:

Improve user experience / usability.

:building_construction:

Make architectural changes.

:iphone:

Work on responsive design.

:clown_face:

Mock things.

:egg:

Add or update an easter egg.

:see_no_evil:

Add or update a .gitignore file.

:camera_flash:

Add or update snapshots.

:alembic:

Perform experiments.

:mag:

Improve SEO.

:label:

Add or update types.

:seedling:

Add or update seed files.

:triangular_flag_on_post:

Add, update, or remove feature flags.

:goal_net:

Catch errors.

:dizzy:

Add or update animations and transitions.

:wastebasket:

Deprecate code that needs to be cleaned up.

:passport_control:

Work on code related to authorization, roles and permissions.

:adhesive_bandage:

Simple fix for a non-critical issue.

:monocle_face:

Data exploration/inspection.

:coffin:

Remove dead code.

:test_tube:

Add a failing test.

:necktie:

Add or update business logic

:stethoscope:

Add or update healthcheck.

:bricks:

Infrastructure related changes.

:technologist:

Improve developer experience

:money_with_wings:

Add sponsorships or money related infrastructure.