Fixes #10861

* Add responsive panels to the single-column layout

* Fixes

* Fix not being able to save the preference

* Fix code style issues

* Set max-height on the compose textarea and add a link to relationship manager

* Move signature verification stoplight to the requests themselves

This avoids blocking messages from known keys for 5 minutes when only one fails…

* Put the stoplight on the actual client IP, not a potential reverse proxy

* Add `from_account` to notifications API

this adds the ability to filter notifications by the account they
originated from

* passing a non-existent user should cause none to be returned

* Fix codeclimate warnings

* fix more codeclimate warnings

* make requested changes:

* use account id instead of user@domain
* name the param `account_id` instead of `from_account`

* Don't use `return` in a lambda

* Record account suspend/silence time and keep track of domain blocks

* Also unblock users who were suspended/silenced before dates were recorded

* Add tests

* Keep track of suspending date for users suspended through the CLI

* Show accurate number of accounts that would be affected by unsuspending an instance

* Change migration to set silenced_at and suspended_at

* Revert "Also unblock users who were suspended/silenced before dates were recorded"

This reverts commit a015c65d2d.

* Switch from using suspended and silenced to suspended_at and silenced_at

* Add post-deployment migration script to remove `suspended` and `silenced` columns

* Use Account#silence! and Account#suspend! instead of updating the underlying property

* Add silenced_at and suspended_at migration to post-migration

* Change account fabricator to translate suspended and silenced attributes

* Minor fixes

* Make unblocking domains always retroactive

* Return Status with raw text in raw_content when deleting a status

* Use raw content if available on delete & redraft

* Rename raw_content to text; do not serialize formatted content when source is requested

Fixes #10652

* When trying to block an already-blocked domain, provide a link to the block

* Fix styling for links in flash messages

* Allow blocks to be upgraded but not downgraded

* Check that an invite link is valid before bypassing approval mode

Fixes #10656

* Add tests

* Only consider valid invite links in registration controller

* fixup

* compare usernames case-insensitively on new proof creation flow

* Fix code style issue

Fix sorting of the pending accounts page

* Add "why do you want to join" field to invite requests

Fix #10512

* Remove unused translations

* Fix broken registrations when no invite request text is submitted

* Revert "Fix filtering of favourited_by, reblogged_by, followers and following (#10447)"

This reverts commit 120544067f.

* Revert "Hide blocking accounts from blocked users (#10442)"

This reverts commit 62bafa20a1.

* Improve blocked view of profiles

- Change "You are blocked" to "Profile unavailable"
- Hide following/followers in API when blocked
- Disable follow button and show "Profile unavailable" on public profile as well

* Fix admin validation being too strict about usernames

Fix #10446

* Strip Setting.site_contact_username consistently throughout the codebase

* Revert "Add indication that you have been blocked in web UI (#10420)"

This reverts commit bd02ec6daa.

* Revert "Add `blocked_by` relationship to the REST API (#10373)"

This reverts commit 9745de883b.

* Hide blocking accounts from search results

* Filter blocking accouts from account followers

* Filter blocking accouts from account's following accounts

* Filter blocking accounts from “reblogged by” and “favourited by” lists

* Remove blocking account from URL search

* Return 410 on trying to fetch user data from a user who blocked us

* Return 410 in /api/v1/account/statuses for suspended or blocking accounts

* Fix status filtering when performing URL search

* Restore some React improvements

Restore some cleanup from bd02ec6daa

* Refactor by adding `without_blocking` scope

Fixes #10429

Red crosses implied that it was bad/unexpected that certain features
were not enabled. In reality, they are options, so showing a green
or grey power-off icon is more appropriate.

Add status of timeline preview as well

Fix sample accounts changing too frequently due to wrong query

Sample accounts are intended to be sorted by popularity

* Add validations to admin settings

- Validate correct HTML markup
- Validate presence of contact username & e-mail
- Validate that all usernames are valid
- Validate that enums have expected values

* Fix code style issue

* Fix tests

This will help a great deal with #9377 when a caching reverse proxy is
configured.

* create account_identity_proofs table

* add endpoint for keybase to check local proofs

* add async task to update validity and liveness of proofs from keybase

* first pass keybase proof CRUD

* second pass keybase proof creation

* clean up proof list and add badges

* add avatar url to keybase api

* Always highlight the “Identity Proofs” navigation item when interacting with proofs.

* Update translations.

* Add profile URL.

* Reorder proofs.

* Add proofs to bio.

* Update settings/identity_proofs front-end.

* Use `link_to`.

* Only encode query params if they exist.

URLs without params had a trailing `?`.

* Only show live proofs.

* change valid to active in proof list and update liveness before displaying

* minor fixes

* add keybase config at well-known path

* extremely naive feature flagging off the identity proof UI

* fixes for rubocop

* make identity proofs page resilient to potential keybase issues

* normalize i18n

* tweaks for brakeman

* remove two unused translations

* cleanup and add more localizations

* make keybase_contacts an admin setting

* fix ExternalProofService my_domain

* use Addressable::URI in identity proofs

* use active model serializer for keybase proof config

* more cleanup of keybase proof config

* rename proof is_valid and is_live to proof_valid and proof_live

* cleanup

* assorted tweaks for more robust communication with keybase

* Clean up

* Small fixes

* Display verified identity identically to verified links

* Clean up unused CSS

* Add caching for Keybase avatar URLs

* Remove keybase_contacts setting

Rename "abandoned" to "moved", and "active" to "primary"

Do not start a session if the current user is not logged in for public-facing pages.

Mark pages that don't care about sessions as publicly cacheable.

Keep the max age as 0 so proxies and browsers will still try to retrieve an updated version but can still fall back to the stale version if the site is down or too slow.

Fixes #9035.

Use async worker for creating reblog notification to improve performance

Fix #6856
Fix #6951

Under load, multiple backups for a single user could be planned, which
is very expensive.

* Add polls

Fix #1629

* Add tests

* Fixes

* Change API for creating polls

* Use name instead of content for votes

* Remove poll validation for remote polls

* Add polls to public pages

* When updating the poll, update options just in case they were changed

* Fix public pages showing both poll and other media

* Add type, limit, offset, min_id, max_id, account_id to search API

Fix #8939

* Make the offset work on accounts and hashtags search as well

* Assure brakeman we are not doing mass assignment here

* Do not allow paginating unless a type is chosen

* Fix search query and index id field on statuses instead of created_at

Same as #8220 but for reports

Fix #8785

Fixes #9995