[docs] Add Markdown release notes (#5374)

* copy over changelog yaml files

* render release notes, make them publishable

(cherry picked from commit b73980b)

# Conflicts:
#	docs/docset.yml
#	docs/release-notes/index.md
#	docs/release-notes/toc.yml

Author: colleenmcginnis

changelog/9.1.0.yaml

@@ -0,0 +1,208 @@
+version: 9.1.0
+entries:
+    - kind: bug-fix
+      summary: Remove auth requirement from PGP key endpoint
+      description: ""
+      component: fleet-server
+      pr: []
+      issue:
+        - https://github.com/elastic/fleet-server/issues/4255
+      timestamp: 1735593163
+      file:
+        name: 1735593163-Remove-auth-requirement-from-PGP-key-endpoint.yaml
+        checksum: 3fa819b9bedbd2fcec9ccc61157600a0c69659c2
+    - kind: other
+      summary: Remove deprecated policy_throttle
+      description: ""
+      component: fleet-server
+      pr: []
+      issue: []
+      timestamp: 1736277781
+      file:
+        name: 1736277781-Remove-deprecated-policy_throttle.yaml
+        checksum: ec802ba4fb452af8aec335f858ed97bd814c8362
+    - kind: feature
+      summary: Add ability for enrollment to take an agent ID
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4290
+      issue:
+        - https://github.com/elastic/fleet-server/issues/4226
+      timestamp: 1736300562
+      file:
+        name: 1736300562-Add-ability-for-enrollment-to-take-an-agent-ID.yaml
+        checksum: 0c77725924a04f556339998f2675ef3907c9f9aa
+    - kind: enhancement
+      summary: Bump go to v1.23.5
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4353
+      issue: []
+      timestamp: 1738103621
+      file:
+        name: 1738103621-Bump-go-to-v1.23.5.yaml
+        checksum: 6809398a3b2aa1e7a51d323f9851cb66aa5404fe
+    - kind: bug-fix
+      summary: Return HTTP 429 when conn limit is reached
+      description: |
+        fleet-server will return a 429 instead of silently close connections when the conn limit is reached.
+      component: fleet-server
+      pr: []
+      issue:
+        - https://github.com/elastic/fleet-server/issues/4200
+      timestamp: 1738613859
+      file:
+        name: 1738613859-Return-HTTP-429-when-conn-limit-is-reached.yaml
+        checksum: 93480152e40ff5668cdf194c6ed8d09c3e75c41c
+    - kind: security
+      summary: Upgrade golang.org/x/net to v0.34.0 and golang.org/x/crypto to v0.32.0.
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4405
+      issue: []
+      timestamp: 1738701949
+      file:
+        name: 1738701949-Upgrade-golang.org-x-net-to-v0.34.0-and-golang.org-x-crypto-to-v0.32.0..yaml
+        checksum: da5ec97b618c213e9f055bd024d7551fba47e3d7
+    - kind: enhancement
+      summary: Clear agent.upgrade_attempts when upgrade is complete.
+      description: |
+        The new AutomaticAgentUpgradeTask Kibana task sets the upgrade_attempts property in agents it upgrades.
+        This property is used to track upgrade retries and should therefore be cleared when the upgrade is complete.
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4528
+      issue: []
+      timestamp: 1740760469
+      file:
+        name: 1740760469-Clear-agent-upgrade-attempts-when-upgrade-complete.yaml
+        checksum: 0a60441032d76299c1f874d9e0a472b548ad3115
+    - kind: enhancement
+      summary: pbkdf2 settings validation is FIPS compliant
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4542
+      issue: []
+      timestamp: 1741108238
+      file:
+        name: 1741108238-pbkdf2-settings-is-FIPS-compliant.yaml
+        checksum: 6545fb33c7d0edacf8a312d3f48c71bf9d024c3e
+    - kind: enhancement
+      summary: Update to go v1.24.0
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4543
+      issue: []
+      timestamp: 1741109055
+      file:
+        name: 1741109055-Update-to-go-v1.24.0.yaml
+        checksum: ff7500453cb014aa12751065b583dc70a02d9a91
+    - kind: bug-fix
+      summary: Fix host parsing in Elasticsearch output diagnostics
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4765
+      issue: []
+      timestamp: 1743692296
+      file:
+        name: 1743692296-fix-url-parsing-es-output-diagnostics.yaml
+        checksum: 6cd827f9b6e9bc06e029b8f6dda743ee5e9d7d27
+    - kind: bug-fix
+      summary: Redact output in bootstrap config logs
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4775
+      issue: []
+      timestamp: 1744046917
+      file:
+        name: 1744046917-Redact-output-in-bootstrap-config-logs.yaml
+        checksum: 9c205aceff761a5834bb50567d6e5243eb402c8b
+    - kind: bug-fix
+      summary: Mutex protection for remote bulker config
+      description: |
+        Use existing remote bulker mutex to control access to remote bulker configs.
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4776
+      issue: []
+      timestamp: 1744054552
+      file:
+        name: 1744054552-Mutex-protection-for-remote-bulker-config.yaml
+        checksum: af8b1abeba1b9bbf0aa4f64a2ca494120758aea6
+    - kind: feature
+      summary: migrate-action
+      description: Added new MIGRATE action type for moving agent to different cluster.
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4786
+      issue: []
+      timestamp: 1744623226
+      file:
+        name: 1744623226-migrate-action.yaml
+        checksum: d237dda21b77411100c2c2e5b3a82a4606d9f80a
+    - kind: enhancement
+      summary: Add version metadata to version command output
+      description: |
+        Add commit, buildtime, and FIPS distribution indicators to output of version command.
+        Add fips-distribution attribute to initial startup log.
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4820
+      issue: []
+      timestamp: 1744831791
+      file:
+        name: 1744831791-Add-version-metadata-to-version-command-output.yaml
+        checksum: 3cf850bfe2fc06b290181a8e7706fa3dd432c764
+    - kind: bug-fix
+      summary: Enable dead code elimination
+      description: |
+        Add grpcnotrace build tags and ensure DCE (dead code elimination) is enabled.
+        Reduce binary size by 34%
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4784
+      issue: []
+      timestamp: 1744852233
+      file:
+        name: 1744852233-enable-dce.yaml
+        checksum: 836d912f8375f0f5a3a946a90afbb50978c431c4
+    - kind: enhancement
+      summary: Add rollback attribute to Upgrade actions
+      description: ""
+      component: fleet-server
+      pr: []
+      issue:
+        - https://github.com/elastic/fleet-server/issues/4838
+      timestamp: 1745450998
+      file:
+        name: 1745450998-Add-rollback-attribute-to-Upgrade-actions.yaml
+        checksum: 2343de802ba10acac55408f060ab0ad5fe7e37be
+    - kind: enhancement
+      summary: Update go to v1.24.3
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/4891
+      issue: []
+      timestamp: 1746596216
+      file:
+        name: 1746596216-Update-to-go-1.24.3.yaml
+        checksum: 5f97bc9a96cf140dba16165d6e8472f9bcc92e44
+    - kind: bug-fix
+      summary: Include the base error for json decode error responses
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/5069
+      issue: []
+      timestamp: 1750971846
+      file:
+        name: 1750971846-Include-error-on-json-decode-error-responses.yaml
+        checksum: 3f2eb0595d1edbb7a31ecf2e2d49dd712f481f96

changelog/9.1.1.yaml

@@ -0,0 +1,17 @@
+version: 9.1.1
+entries:
+    - kind: bug-fix
+      summary: Fix upgrade details download_rate as string handling
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/5198
+        - https://github.com/elastic/fleet-server/pull/5214
+        - https://github.com/elastic/fleet-server/pull/5183
+        - https://github.com/elastic/fleet-server/pull/5176
+      issue:
+        - https://github.com/elastic/fleet-server/issues/5164
+      timestamp: 1753372819
+      file:
+        name: 1753372819-Fix-download_rate-as-string-handling.yaml
+        checksum: 492e665f43229a00e0b0a1590387273b77e26b36

changelog/9.1.2.yaml

@@ -0,0 +1,2 @@
+version: 9.1.2
+entries:

changelog/9.1.3.yaml

@@ -0,0 +1,25 @@
+version: 9.1.3
+entries:
+    - kind: bug-fix
+      summary: Fix 503 handling in enrollment
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/5232
+      issue:
+        - https://github.com/elastic/fleet-server/issues/5197
+      timestamp: 1754931919
+      file:
+        name: 1754931919-Fix-503-handling-in-enrollment.yaml
+        checksum: b6c03da0ddbd3a2b4f742d952a5d7178e77a9ac3
+    - kind: bug-fix
+      summary: Remove extra ES search when preparing agent policy
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/5283
+      issue: []
+      timestamp: 1755644662
+      file:
+        name: 1755644662-Remove-extra-ES-search-when-preparing-agent-policy.yaml
+        checksum: 0814e746cce14762e3d22aeee0c5f6fad0eda38c

config.changelog.yaml

@@ -0,0 +1,3 @@
+owner: elastic
+repo: fleet-server
+rendered_changelog_destination: docs/release-notes/_snippets

docs/docset.yml

@@ -0,0 +1,19 @@
+project: Fleet Server docs
+products:
+  - id: fleet
+exclude:
+  - "*.md"
+cross_links:
+  - docs-content
+  - beats
+toc:
+  - toc: release-notes
+subs:
+  agent:                "Elastic Agent"
+  agents:               "Elastic Agents"
+  beats:                "Beats"
+  elastic-defend:       "Elastic Defend"
+  fleet-server-issue:   "https://github.com/elastic/fleet-server/issues/"
+  fleet-server-pull:    "https://github.com/elastic/fleet-server/pull/"
+  fleet:                "Fleet"
+  kib-pull:             "https://github.com/elastic/kibana/pull/"

docs/release-notes/_snippets/9.0.0/breaking.md

@@ -0,0 +1,55 @@
+## 9.0.0 [fleet-server-9.0.0-breaking-changes]
+
+::::{dropdown} Removed deprecated epm Fleet APIs
+Removed `GET/POST/DELETE /epm/packages/:pkgkey` APIs in favor of the `GET/POST/DELETE /epm/packages/:pkgName/:pkgVersion`.
+
+**Impact**<br>
+* Removed `experimental` query parameter in `GET /epm/packages` and `GET /epm/categories`
+* Removed `response` in response in `* /epm/packages*` and `GET /epm/categories`
+* Removed `savedObject` in `/epm/packages` response in favor of `installationInfo`
+
+For more information, check [#198434]({{kib-pull}}198434).
+::::
+
+::::{dropdown} Removed deprecated Fleet APIs for agents endpoints
+Removed the following API endpoints:
+
+* `POST /service-tokens` in favor of `POST /service_tokens`
+* `GET /agent-status` in favor `GET /agent_status`
+* `PUT /agents/:agentid/reassign` in favor of `POST /agents/:agentid/reassign`
+
+Removed deprecated parameters or responses:
+
+* Removed `total` from `GET /agent_status` response
+* Removed `list` from `GET /agents` response
+
+For more information, check [#198313]({{kib-pull}}198313).
+::::
+
+::::{dropdown} Removed deprecated settings API endpoints in Fleet
+* `GET/DELETE/POST enrollment-api-keys`: removed in favor of `GET/DELETE/POST enrollment_api_keys`
+* Removed `list` property from `GET enrollment_api_keys` response in favor of `items`
+* `GET/POST /settings`: `fleet_server_hosts` was removed from the response and body
+
+For more information, check [#198799]({{kib-pull}}198799).
+::::
+
+::::{dropdown} Removed deprecated settings API endpoints in Fleet
+* `GET/DELETE/POST enrollment-api-keys`: removed in favor of `GET/DELETE/POST enrollment_api_keys`
+* Removed `list` property from `GET enrollment_api_keys` response in favor of `items`
+* `GET/POST /settings`: `fleet_server_hosts` was removed from the response and body
+
+For more information, check [#198799]({{kib-pull}}198799).
+::::
+
+::::{dropdown} Removed deprecated topics property for kafka output in favor of the topic property
+Removed deprecated property `topics` from output APIs in response and requests (`(GET|POST|PUT) /api/fleet/outputs`) in favor of the `topic` property.
+
+For more information, check [#199226]({{kib-pull}}199226).
+::::
+
+::::{dropdown} Limit pagination size to 100 when retrieving full policy or withAgentCount in Fleet
+In addition to the new pagination limit size of 100, retrieving agent policies without agent count is now the new default behavior, and a new query parameter `withAgentCount` was added to retrieve the agent count.
+
+For more information, check [#196887]({{kib-pull}}196887).
+::::

docs/release-notes/_snippets/9.0.0/deprecations.md

@@ -0,0 +1,3 @@
+## 9.0.0 [fleet-server-9.0.0-deprecations]
+
+_No deprecations in this release._

docs/release-notes/_snippets/9.0.0/index.md

@@ -0,0 +1,21 @@
+## 9.0.0 [fleet-server-9.0.0-release-notes]
+
+### Features and enhancements [fleet-server-9.0.0-features-enhancements]
+
+* New setting allowing automatic deletion of unenrolled agents in Fleet settings. [#195544]({{kib-pull}}195544)
+* Improves filtering and visibility of Uninstalled and Orphaned agents in Fleet, by differentiating them from Offline agents. [#205815]({{kib-pull}}205815)
+* Introduces air-gapped configuration for bundled packages in Fleet. [#202435]({{kib-pull}}202435)
+* Updates removed parameters of the Fleet -> Logstash output configurations. [#210115]({{kib-pull}}210115)
+* Updates the maximum supported package version in Fleet. [#196675]({{kib-pull}}196675)
+* Replaces the use of context.TODO and context.Background in logger function calls for most Fleet Server use cases. [#4168]({{fleet-server-pull}}4168) and [#3087]({{fleet-server-issue}}3087)
+* Refactor the Fleet Server API constructor to use functional opts instead of a long list of pointers. [#4169]({{fleet-server-pull}}4169) and [#3823]({{fleet-server-issue}}3823)
+* Removes the deprecated policy_throttle configuration setting in favour of the newer policy-limit for Fleet Server. [#4288]({{fleet-server-pull}}4288)
+* Removes old bundled.yaml from oas, fixed tags. [#194788]({{kib-pull}}194788)
+* Adds the ability for Elastic Agent to enroll using a specific ID. [#4290]({{fleet-server-pull}}4290) and [#4226]({{fleet-server-issue}}4226)
+
+### Fixes [fleet-server-9.0.0-fixes]
+
+* Fixes a validation error that occurs on multi-text input fields in Fleet. [#205768]({{kib-pull}}205768)
+* Adds a context timeout to the bulker flush in Fleet Server so it times out if it takes more time than the deadline. [#3986]({{fleet-server-pull}}3986)
+* Removes a race condition that may occur when remote Elasticsearch outputs are used in Fleet Server. [#4171]({{fleet-server-pull}}4171)
+* Uses the chi/middleware.Throttle package to track in-flight requests and return a 429 response when the limit is reached in Fleet Server. [#4402]({{fleet-server-pull}}4402) and [#4400]({{fleet-server-issue}}4400)

docs/release-notes/_snippets/9.0.1/breaking.md

@@ -0,0 +1,3 @@
+## 9.0.1 [fleet-server-9.0.1-breaking-changes]
+
+_No breaking changes._