diff --git a/web/src/components/BranchProtection/BranchProtectionForm/BranchProtectionForm.tsx b/web/src/components/BranchProtection/BranchProtectionForm/BranchProtectionForm.tsx
index 629d106d5..7b163f8b6 100644
--- a/web/src/components/BranchProtection/BranchProtectionForm/BranchProtectionForm.tsx
+++ b/web/src/components/BranchProtection/BranchProtectionForm/BranchProtectionForm.tsx
@@ -166,6 +166,9 @@ const BranchProtectionForm = (props: {
       const isRebasePresent = (rule.definition as ProtectionBranch)?.pullreq?.merge?.strategies_allowed?.includes(
         MergeStrategy.REBASE
       )
+      const isFFMergePresent = (rule.definition as ProtectionBranch)?.pullreq?.merge?.strategies_allowed?.includes(
+        MergeStrategy.FAST_FORWARD
+      )
       // List of strings to be included in the final array
       const includeList = (rule?.pattern as ProtectionPattern)?.include ?? []
       const excludeList = (rule?.pattern as ProtectionPattern)?.exclude ?? []
@@ -201,6 +204,7 @@ const BranchProtectionForm = (props: {
         mergeCommit: isMergePresent,
         squashMerge: isSquashPresent,
         rebaseMerge: isRebasePresent,
+        fastForwardMerge: isFFMergePresent,
         autoDelete: (rule.definition as ProtectionBranch)?.pullreq?.merge?.delete_branch,
         blockBranchCreation: (rule.definition as ProtectionBranch)?.lifecycle?.create_forbidden,
         blockBranchUpdate:
@@ -244,7 +248,8 @@ const BranchProtectionForm = (props: {
         const stratArray = [
           formData.squashMerge && MergeStrategy.SQUASH,
           formData.rebaseMerge && MergeStrategy.REBASE,
-          formData.mergeCommit && MergeStrategy.MERGE
+          formData.mergeCommit && MergeStrategy.MERGE,
+          formData.fastForwardMerge && MergeStrategy.FAST_FORWARD
         ].filter(Boolean) as EnumMergeMethod[]
         const includeArray =
           formData?.targetList?.filter(([type]) => type === 'include').map(([, value]) => value) ?? []
diff --git a/web/src/components/BranchProtection/BranchProtectionForm/ProtectionRulesForm/ProtectionRulesForm.tsx b/web/src/components/BranchProtection/BranchProtectionForm/ProtectionRulesForm/ProtectionRulesForm.tsx
index 07f6ebb2e..00aa2c19e 100644
--- a/web/src/components/BranchProtection/BranchProtectionForm/ProtectionRulesForm/ProtectionRulesForm.tsx
+++ b/web/src/components/BranchProtection/BranchProtectionForm/ProtectionRulesForm/ProtectionRulesForm.tsx
@@ -269,6 +269,11 @@ const ProtectionRulesForm = (props: {
             <FormInput.CheckBox className={css.minText} label={getString('mergeCommit')} name={'mergeCommit'} />
             <FormInput.CheckBox className={css.minText} label={getString('squashMerge')} name={'squashMerge'} />
             <FormInput.CheckBox className={css.minText} label={getString('rebaseMerge')} name={'rebaseMerge'} />
+            <FormInput.CheckBox
+              className={css.minText}
+              label={getString('fastForwardMerge')}
+              name={'fastForwardMerge'}
+            />
           </Container>
         </Container>
       )}
diff --git a/web/src/framework/strings/stringTypes.ts b/web/src/framework/strings/stringTypes.ts
index 44200474f..a30bc9bd5 100644
--- a/web/src/framework/strings/stringTypes.ts
+++ b/web/src/framework/strings/stringTypes.ts
@@ -424,6 +424,7 @@ export interface StringsMap {
   failedToFetchFileContent: string
   failedToImportSpace: string
   failedToSavePipeline: string
+  fastForwardMerge: string
   featureRoadmap: string
   fileDeleted: string
   fileTooLarge: string
@@ -801,6 +802,8 @@ export interface StringsMap {
   'pr.mergeOptions.createAMergeCommit': string
   'pr.mergeOptions.createMergeCommit': string
   'pr.mergeOptions.createMergeCommitDesc': string
+  'pr.mergeOptions.fastForwardMerge': string
+  'pr.mergeOptions.fastForwardMergeDesc': string
   'pr.mergeOptions.rebaseAndMerge': string
   'pr.mergeOptions.rebaseAndMergeDesc': string
   'pr.mergeOptions.squashAndMerge': string
@@ -825,6 +828,7 @@ export interface StringsMap {
   'pr.prStateChanged': string
   'pr.prStateChangedDraft': string
   'pr.readyForReview': string
+  'pr.rebaseMergePossible': string
   'pr.removeSuggestion': string
   'pr.requestSubmitted': string
   'pr.requestedChanges': string
@@ -995,6 +999,7 @@ export interface StringsMap {
   'securitySettings.vulnerabilityScanning': string
   'securitySettings.vulnerabilityScanningDesc': string
   seeNMoreMatches: string
+  selectAuthor: string
   selectBranchPlaceHolder: string
   selectLanguagePlaceholder: string
   selectMergeStrat: string
diff --git a/web/src/i18n/strings.en.yaml b/web/src/i18n/strings.en.yaml
index 254e29811..72e52364f 100644
--- a/web/src/i18n/strings.en.yaml
+++ b/web/src/i18n/strings.en.yaml
@@ -302,6 +302,7 @@ pr:
   reviewChanges: Review changes
   mergePR: Merge pull request
   branchHasNoConflicts: Pull request can be merged
+  rebaseMergePossible: Pull request can be merged after rebase
   checkingToMerge: Checking for ability to merge automatically...
   prCanBeMerged: Mergeing can be performed automatically.
   enterDesc: Enter description here
@@ -341,6 +342,8 @@ pr:
     createMergeCommitDesc: All commits from this branch will be added to the base branch via a merge commit.
     rebaseAndMerge: Rebase and merge
     rebaseAndMergeDesc: All commits from this branch will be rebased and added to the base branch.
+    fastForwardMerge: Fast-forward merge
+    fastForwardMergeDesc: All commits from this branch will be added to the base branch without a merge commit. Rebase may be required.
     close: Close pull request
     closeDesc: Close this pull request. You can still re-open the request after closing.
     createAMergeCommit: Create a merge commit
@@ -539,6 +542,7 @@ zoomIn: Zoom In
 zoomOut: Zoom Out
 checks: Checks
 blameCommitLine: '{author} committed {timestamp}'
+selectAuthor: Select Author
 tooltipRepoEdit: You are not authorized to {PERMS}
 missingPerms: 'You are missing the following permission:'
 createRepoPerms: 'Create / Edit Repository'
@@ -964,6 +968,7 @@ setting: Setting
 mergeCommit: Merge commit
 squashMerge: Squash and merge
 rebaseMerge: Rebase and merge
+fastForwardMerge: Fast-forward merge
 Enable: Enable
 imageUpload:
   title: Upload attachment
diff --git a/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/InlineMergeBox.tsx b/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/InlineMergeBox.tsx
index d1a0550ab..9875e4c06 100644
--- a/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/InlineMergeBox.tsx
+++ b/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/InlineMergeBox.tsx
@@ -27,6 +27,7 @@ import { MergeStrategy } from 'utils/GitUtils'
 import mergeVideo from '../../../../videos/merge.mp4'
 import squashVideo from '../../../../videos/squash.mp4'
 import rebaseVideo from '../../../../videos/rebase.mp4'
+import fastForward from '../../../../videos/fastForward.mp4'
 import css from './PullRequestActionsBox.module.scss'
 
 interface InlineMergeBoxProps {
@@ -96,6 +97,8 @@ const InlineMergeBox = (props: InlineMergeBoxProps) => {
                       <video height={36} width={148} src={rebaseVideo} autoPlay={true} loop={false} muted={true} />
                     ) : mergeOption.method === MergeStrategy.SQUASH ? (
                       <video height={36} width={148} src={squashVideo} autoPlay={true} loop={false} muted={true} />
+                    ) : mergeOption.method === MergeStrategy.FAST_FORWARD ? (
+                      <video height={36} width={148} src={fastForward} autoPlay={true} loop={false} muted={true} />
                     ) : (
                       <video height={36} width={148} src={mergeVideo} autoPlay={true} loop={false} muted={true} />
                     )}
@@ -142,11 +145,12 @@ const InlineMergeBox = (props: InlineMergeBoxProps) => {
                       {(mergeOption.method === MergeStrategy.SQUASH || mergeOption.method === MergeStrategy.MERGE) && (
                         <FormInput.Text name="commitTitle"></FormInput.Text>
                       )}
-                      {mergeOption.method !== MergeStrategy.REBASE && (
-                        <FormInput.TextArea
-                          placeholder={getString('addOptionalCommitMessage')}
-                          name="commitMessage"></FormInput.TextArea>
-                      )}
+                      {mergeOption.method !== MergeStrategy.REBASE &&
+                        mergeOption.method !== MergeStrategy.FAST_FORWARD && (
+                          <FormInput.TextArea
+                            placeholder={getString('addOptionalCommitMessage')}
+                            name="commitMessage"></FormInput.TextArea>
+                        )}
                     </FormikForm>
                   )
                 }}
diff --git a/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/PullRequestActionsBox.module.scss b/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/PullRequestActionsBox.module.scss
index c9473be50..4db375552 100644
--- a/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/PullRequestActionsBox.module.scss
+++ b/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/PullRequestActionsBox.module.scss
@@ -89,6 +89,8 @@
     &.merged {
       font-weight: unset !important;
       color: var(--purple-700) !important;
+      white-space: nowrap !important;
+      font-size: 14px !important;
     }
 
     &.draft {
@@ -108,7 +110,7 @@
     .boldText {
       color: var(--purple-700) !important;
       font-weight: 600 !important;
-      font-size: 16px !important;
+      font-size: 14px !important;
       line-height: 24px !important;
     }
     .widthContainer {
diff --git a/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/PullRequestActionsBox.tsx b/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/PullRequestActionsBox.tsx
index 37169cf3c..cb747d95b 100644
--- a/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/PullRequestActionsBox.tsx
+++ b/web/src/pages/PullRequest/Conversation/PullRequestActionsBox/PullRequestActionsBox.tsx
@@ -30,17 +30,18 @@ import {
   useToaster
 } from '@harnessio/uicore'
 import { Icon } from '@harnessio/icons'
-import { Color } from '@harnessio/design-system'
+import { Color, FontVariation } from '@harnessio/design-system'
 import { MutateMethod, useMutate } from 'restful-react'
 import { Case, Else, Match, Render, Truthy } from 'react-jsx-match'
 import { Menu, PopoverPosition, Icon as BIcon } from '@blueprintjs/core'
 import cx from 'classnames'
-import ReactTimeago from 'react-timeago'
+import { defaultTo } from 'lodash-es'
 import type {
   CreateBranchPathParams,
   DeletePullReqSourceBranchQueryParams,
   OpenapiCreateBranchRequest,
   OpenapiStatePullReqRequest,
+  RebaseBranchRequestBody,
   TypesListCommitResponse,
   TypesPullReq,
   TypesRuleViolations
@@ -58,9 +59,9 @@ import {
   permissionProps
 } from 'utils/Utils'
 import { OptionsMenuButton } from 'components/OptionsMenuButton/OptionsMenuButton'
-import { UserPreference, useUserPreference } from 'hooks/useUserPreference'
 import { useGetRepositoryMetadata } from 'hooks/useGetRepositoryMetadata'
 import { PullReqSuggestionsBatch } from 'components/PullReqSuggestionsBatch/PullReqSuggestionsBatch'
+import { TimePopoverWithLocal } from 'utils/timePopoverLocal/TimePopoverWithLocal'
 import { BranchActionsButton } from '../PullRequestOverviewPanel/sections/BranchActionsSection'
 import InlineMergeBox from './InlineMergeBox'
 import css from './PullRequestActionsBox.module.scss'
@@ -83,6 +84,9 @@ export interface PullRequestActionsBoxProps extends Pick<GitInfoProps, 'repoMeta
   setShowDeleteBranchButton: React.Dispatch<React.SetStateAction<boolean>>
   setShowRestoreBranchButton: React.Dispatch<React.SetStateAction<boolean>>
   isSourceBranchDeleted: boolean
+  mergeOption: PRMergeOption
+  setMergeOption: (val: PRMergeOption) => void
+  rebasePossible: boolean
 }
 
 export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
@@ -102,10 +106,13 @@ export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
   showDeleteBranchButton,
   setShowRestoreBranchButton,
   setShowDeleteBranchButton,
-  isSourceBranchDeleted
+  isSourceBranchDeleted,
+  mergeOption,
+  setMergeOption,
+  rebasePossible
 }) => {
   const { getString } = useStrings()
-  const { showError } = useToaster()
+  const { showSuccess, showError } = useToaster()
   const inlineMergeRef = useRef<inlineMergeFormRefType>(null)
   const { hooks, standalone } = useAppContext()
   const space = useGetSpaceParam()
@@ -122,6 +129,19 @@ export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
     verb: 'POST',
     path: `/api/v1/repos/${repoMetadata.path}/+/pullreq/${pullReqMetadata.number}/state`
   })
+  const { mutate: rebase } = useMutate<RebaseBranchRequestBody>({
+    verb: 'POST',
+    path: `/api/v1/repos/${repoMetadata.path}/+/rebase`
+  })
+
+  const rebaseRequestPayload = {
+    base_branch: pullReqMetadata.target_branch,
+    bypass_rules: true,
+    dry_run_rules: false,
+    head_branch: pullReqMetadata.source_branch,
+    head_commit_sha: pullReqMetadata.source_sha
+  }
+
   const mergeable = useMemo(() => pullReqMetadata.merge_check_status === MergeCheckStatus.MERGEABLE, [pullReqMetadata])
   const isClosed = pullReqMetadata.state === PullRequestState.CLOSED
   const isOpen = pullReqMetadata.state === PullRequestState.OPEN
@@ -193,11 +213,12 @@ export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
     } // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [onPRStateChanged, isMerged, isClosed, pullReqMetadata?.source_sha])
 
-  const mergeOptions = useMemo(() => getMergeOptions(getString, mergeable).slice(0, 3), [mergeable])
+  const mergeOptions = useMemo(() => getMergeOptions(getString, mergeable).slice(0, 4), [mergeable])
   const [allowedStrats, setAllowedStrats] = useState<string[]>([
     mergeOptions[0].method,
     mergeOptions[1].method,
-    mergeOptions[2].method
+    mergeOptions[2].method,
+    mergeOptions[3].method
   ])
   const draftOptions: PRDraftOption[] = [
     {
@@ -212,11 +233,6 @@ export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
     }
   ]
   const [showInlineMergeContainer, setShowInlineMergeContainer] = useState(false)
-  const [mergeOption, setMergeOption] = useUserPreference<PRMergeOption>(
-    UserPreference.PULL_REQUEST_MERGE_STRATEGY,
-    mergeOptions[0],
-    option => option.method !== 'close'
-  )
 
   useEffect(() => {
     if (allowedStrats) {
@@ -283,6 +299,7 @@ export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
       className={cx(css.main, {
         [css.primary]: !PRStateLoading,
         [css.error]: mergeable === false && !unchecked && !isClosed && !isDraft,
+        [css.error]: mergeOption.method === MergeStrategy.FAST_FORWARD && rebasePossible,
         [css.unchecked]: unchecked,
         [css.closed]: isClosed,
         [css.draft]: isDraft,
@@ -302,6 +319,7 @@ export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
                   [css.draft]: isDraft,
                   [css.closed]: isClosed,
                   [css.unmergeable]: mergeable === false && isOpen,
+                  [css.unmergeable]: mergeOption.method === MergeStrategy.FAST_FORWARD && rebasePossible && isOpen,
                   [css.ruleViolate]: ruleViolation && !isClosed
                 })}>
                 {getString(
@@ -315,6 +333,8 @@ export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
                     ? 'branchProtection.prFailedText'
                     : ruleViolation
                     ? 'branchProtection.prFailedText'
+                    : mergeOption.method === MergeStrategy.FAST_FORWARD && rebasePossible
+                    ? 'branchProtection.prFailedText'
                     : 'pr.branchHasNoConflicts'
                 )}
               </Text>
@@ -473,7 +493,9 @@ export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
                               <Button
                                 type="submit"
                                 onClick={handleSubmit}
-                                disabled={isMerged}
+                                disabled={
+                                  isMerged || (mergeOption.method === MergeStrategy.FAST_FORWARD && rebasePossible)
+                                }
                                 variation={ButtonVariation.PRIMARY}
                                 text={getString('confirmStrat', { strat: mergeOption.title })}
                               />
@@ -506,7 +528,25 @@ export const PullRequestActionsBox: React.FC<PullRequestActionsBoxProps> = ({
                                     })
                                     .catch(exception => showError(getErrorMessage(exception)))
                                 }
-                              }
+                              },
+                              ...(rebasePossible
+                                ? [
+                                    {
+                                      hasIcon: true,
+                                      iconName: 'code-pull',
+                                      text: getString('rebase'),
+                                      onClick: () =>
+                                        rebase(rebaseRequestPayload)
+                                          .then(() => {
+                                            showSuccess(getString('updatedBranchMessageRebase'))
+                                            setTimeout(() => {
+                                              refetchActivities()
+                                            }, 1000)
+                                          })
+                                          .catch(err => showError(getErrorMessage(err)))
+                                    }
+                                  ]
+                                : [])
                             ]}
                             tooltipProps={{
                               interactionKind: 'click',
@@ -593,7 +633,15 @@ const MergeInfo: React.FC<{
                   </strong>
                 </Container>
               ),
-              time: <ReactTimeago className={css.dateText} date={pullRequestMetadata.merged as number} />
+              time: (
+                <TimePopoverWithLocal
+                  className={css.dateText}
+                  time={defaultTo(pullRequestMetadata.merged as number, 0)}
+                  inline={false}
+                  font={{ variation: FontVariation.SMALL }}
+                  color={Color.GREY_400}
+                />
+              )
             }}
           />
         </Text>
diff --git a/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/PullRequestOverviewPanel.tsx b/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/PullRequestOverviewPanel.tsx
index 62d750cdb..59c2bb23d 100644
--- a/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/PullRequestOverviewPanel.tsx
+++ b/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/PullRequestOverviewPanel.tsx
@@ -30,15 +30,17 @@ import type {
   TypesBranch
 } from 'services/code'
 import {
+  PRMergeOption,
   PanelSectionOutletPosition,
   extractSpecificViolations,
   getMergeOptions
 } from 'pages/PullRequest/PullRequestUtils'
 import { MergeCheckStatus, extractInfoFromRuleViolationArr } from 'utils/Utils'
-import { PullRequestState, dryMerge } from 'utils/GitUtils'
+import { MergeStrategy, PullRequestState, dryMerge } from 'utils/GitUtils'
 import { useStrings } from 'framework/strings'
 import type { PRChecksDecisionResult } from 'hooks/usePRChecksDecision'
 import { useGetRepositoryMetadata } from 'hooks/useGetRepositoryMetadata'
+import { UserPreference, useUserPreference } from 'hooks/useUserPreference'
 import { PullRequestActionsBox } from '../PullRequestActionsBox/PullRequestActionsBox'
 import PullRequestPanelSections from './PullRequestPanelSections'
 import ChecksSection from './sections/ChecksSection'
@@ -241,6 +243,12 @@ const PullRequestOverviewPanel = (props: PullRequestOverviewPanelProps) => {
     [pullReqMetadata]
   )
 
+  const [mergeOption, setMergeOption] = useUserPreference<PRMergeOption>(
+    UserPreference.PULL_REQUEST_MERGE_STRATEGY,
+    mergeOptions[0],
+    option => option.method !== 'close'
+  )
+
   return (
     <Container margin={{ bottom: 'medium' }} className={css.mainContainer}>
       <Layout.Vertical>
@@ -264,6 +272,9 @@ const PullRequestOverviewPanel = (props: PullRequestOverviewPanelProps) => {
           setShowDeleteBranchButton={setShowDeleteBranchButton}
           setShowRestoreBranchButton={setShowRestoreBranchButton}
           isSourceBranchDeleted={isSourceBranchDeleted}
+          mergeOption={mergeOption}
+          setMergeOption={setMergeOption}
+          rebasePossible={rebasePossible}
         />
         {!isClosed ? (
           <PullRequestPanelSections
@@ -312,7 +323,8 @@ const PullRequestOverviewPanel = (props: PullRequestOverviewPanelProps) => {
               ),
               [PanelSectionOutletPosition.REBASE_SOURCE_BRANCH]: rebasePossible &&
                 !mergeLoading &&
-                !conflictingFiles?.length && (
+                !conflictingFiles?.length &&
+                mergeOption.method === MergeStrategy.FAST_FORWARD && (
                   <RebaseSourceSection
                     pullReqMetadata={pullReqMetadata}
                     repoMetadata={repoMetadata}
diff --git a/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/sections/BranchActionsSection.tsx b/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/sections/BranchActionsSection.tsx
index 42e275f81..72cc56aa0 100644
--- a/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/sections/BranchActionsSection.tsx
+++ b/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/sections/BranchActionsSection.tsx
@@ -87,6 +87,7 @@ export const BranchActionsButton = ({
 
   return (
     <Button
+      style={{ whiteSpace: 'nowrap' }}
       text={showDeleteBranchButton ? getString('deleteBranch') : getString('restoreBranch')}
       variation={ButtonVariation.SECONDARY}
       onClick={() => {
diff --git a/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/sections/RebaseSourceSection.tsx b/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/sections/RebaseSourceSection.tsx
index c3c7ba432..ca988894c 100644
--- a/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/sections/RebaseSourceSection.tsx
+++ b/web/src/pages/PullRequest/Conversation/PullRequestOverviewPanel/sections/RebaseSourceSection.tsx
@@ -33,7 +33,7 @@ import { GitRefLink } from 'components/GitRefLink/GitRefLink'
 import { getErrorMessage, permissionProps } from 'utils/Utils'
 import { useGetSpaceParam } from 'hooks/useGetSpaceParam'
 import { useAppContext } from 'AppContext'
-import Fail from '../../../../../icons/code-fail-grey.svg?url'
+import FailRed from '../../../../../icons/code-fail.svg?url'
 import css from '../PullRequestOverviewPanel.module.scss'
 
 interface RebaseSourceSectionProps {
@@ -80,9 +80,9 @@ const RebaseSourceSection = (props: RebaseSourceSectionProps) => {
       <Container className={cx(css.sectionContainer, css.borderRadius)}>
         <Layout.Horizontal flex={{ justifyContent: 'space-between' }}>
           <Layout.Horizontal flex={{ alignItems: 'center' }}>
-            <img alt={getString('failed')} width={26} height={26} color={Color.GREY_500} src={Fail} />
+            <img alt={getString('failed')} width={26} height={26} src={FailRed} />
             <Layout.Vertical padding={{ left: 'medium' }}>
-              <Text padding={{ bottom: 'xsmall' }} className={css.sectionTitle} color={Color.GREY_600}>
+              <Text padding={{ bottom: 'xsmall' }} className={css.sectionTitle} color={Color.RED_500}>
                 {getString('rebaseSource.title')}
               </Text>
               <Text className={css.sectionSubheader} color={Color.GREY_450} font={{ variation: FontVariation.BODY }}>
diff --git a/web/src/pages/PullRequest/Conversation/SystemComment.tsx b/web/src/pages/PullRequest/Conversation/SystemComment.tsx
index 8255b88bf..f310bb28c 100644
--- a/web/src/pages/PullRequest/Conversation/SystemComment.tsx
+++ b/web/src/pages/PullRequest/Conversation/SystemComment.tsx
@@ -65,7 +65,7 @@ export const SystemComment: React.FC<SystemCommentProps> = ({ pullReqMetadata, c
             </Container>
 
             <Avatar name={pullReqMetadata.merger?.display_name} size="small" hoverCard={false} />
-            <Text flex tag="div">
+            <Text flex tag="div" style={{ whiteSpace: 'nowrap' }}>
               <StringSubstitute
                 str={
                   (payload?.payload as MergePayload)?.merge_method === MergeStrategy.REBASE
@@ -74,8 +74,16 @@ export const SystemComment: React.FC<SystemCommentProps> = ({ pullReqMetadata, c
                 }
                 vars={{
                   user: <strong className={css.rightTextPadding}>{pullReqMetadata.merger?.display_name}</strong>,
-                  source: <strong className={css.textPadding}>{pullReqMetadata.source_branch}</strong>,
-                  target: <strong className={css.textPadding}>{pullReqMetadata.target_branch}</strong>,
+                  source: (
+                    <Text lineClamp={1}>
+                      <strong className={css.textPadding}>{pullReqMetadata.source_branch}</strong>
+                    </Text>
+                  ),
+                  target: (
+                    <Text lineClamp={1}>
+                      <strong className={css.textPadding}>{pullReqMetadata.target_branch}</strong>
+                    </Text>
+                  ),
                   bypassed: (payload?.payload as MergePayload)?.rules_bypassed,
                   mergeSha: (
                     <Container className={css.commitContainer} padding={{ left: 'small', right: 'xsmall' }}>
diff --git a/web/src/pages/PullRequest/PullRequestUtils.tsx b/web/src/pages/PullRequest/PullRequestUtils.tsx
index 25b01cb7b..3f42cb246 100644
--- a/web/src/pages/PullRequest/PullRequestUtils.tsx
+++ b/web/src/pages/PullRequest/PullRequestUtils.tsx
@@ -113,6 +113,14 @@ export const getMergeOptions = (getString: UseStringsReturn['getString'], mergea
     label: getString('pr.mergeOptions.rebaseAndMerge'),
     value: MergeStrategy.REBASE
   },
+  {
+    method: MergeStrategy.FAST_FORWARD,
+    title: getString('pr.mergeOptions.fastForwardMerge'),
+    desc: getString('pr.mergeOptions.fastForwardMergeDesc'),
+    disabled: mergeable === false,
+    label: getString('pr.mergeOptions.fastForwardMerge'),
+    value: MergeStrategy.FAST_FORWARD
+  },
   {
     method: 'close',
     title: getString('pr.mergeOptions.close'),
diff --git a/web/src/pages/PullRequests/PullRequestsContentHeader/PullRequestsContentHeader.tsx b/web/src/pages/PullRequests/PullRequestsContentHeader/PullRequestsContentHeader.tsx
index e054786fc..a7bf61e5e 100644
--- a/web/src/pages/PullRequests/PullRequestsContentHeader/PullRequestsContentHeader.tsx
+++ b/web/src/pages/PullRequests/PullRequestsContentHeader/PullRequestsContentHeader.tsx
@@ -209,7 +209,7 @@ export function PullRequestsContentHeader({
           popoverClassName={css.branchDropdown}
           icon="nav-user-profile"
           iconProps={{ size: 16 }}
-          placeholder="Select Authors"
+          placeholder={getString('selectAuthor')}
           addClearBtn={true}
           resetOnClose
           resetOnSelect
diff --git a/web/src/services/code/index.tsx b/web/src/services/code/index.tsx
index 8ea7898b2..5f0ab56b3 100644
--- a/web/src/services/code/index.tsx
+++ b/web/src/services/code/index.tsx
@@ -116,7 +116,7 @@ export type EnumMembershipRole = 'contributor' | 'executor' | 'reader' | 'space_
 
 export type EnumMergeCheckStatus = string
 
-export type EnumMergeMethod = 'merge' | 'rebase' | 'squash'
+export type EnumMergeMethod = 'fast-forward' | 'merge' | 'rebase' | 'squash'
 
 export type EnumParentResourceType = 'space' | 'repo'
 
@@ -1156,9 +1156,12 @@ export type TypesGitspaceInstance = {
   access_key?: string | null
   access_key_ref?: string | null
   access_type?: EnumGitspaceAccessType
+  active_time_ended?: number | null
+  active_time_started?: number | null
   created?: number
   identifier?: string
-  last_used?: number
+  last_heartbeat?: number | null
+  last_used?: number | null
   machine_user?: string | null
   resource_usage?: string | null
   space_path?: string
@@ -1475,6 +1478,9 @@ export interface TypesPullReqStats {
 }
 
 export interface TypesRebaseResponse {
+  already_ancestor?: boolean
+  conflict_files?: string[]
+  dry_run?: boolean
   dry_run_rules?: boolean
   new_head_branch_sha?: ShaSHA
   rule_violations?: TypesRuleViolations[]
@@ -6240,6 +6246,7 @@ export interface RebaseBranchPathParams {
 export interface RebaseBranchRequestBody {
   base_branch?: string
   bypass_rules?: boolean
+  dry_run?: boolean
   dry_run_rules?: boolean
   head_branch?: string
   head_commit_sha?: ShaSHA
diff --git a/web/src/services/code/swagger.yaml b/web/src/services/code/swagger.yaml
index 9fa503ccf..fe49da6c2 100644
--- a/web/src/services/code/swagger.yaml
+++ b/web/src/services/code/swagger.yaml
@@ -6225,6 +6225,8 @@ paths:
                   type: string
                 bypass_rules:
                   type: boolean
+                dry_run:
+                  type: boolean
                 dry_run_rules:
                   type: boolean
                 head_branch:
@@ -10540,6 +10542,7 @@ components:
       type: string
     EnumMergeMethod:
       enum:
+        - fast-forward
         - merge
         - rebase
         - squash
@@ -12408,11 +12411,21 @@ components:
           type: string
         access_type:
           $ref: '#/components/schemas/EnumGitspaceAccessType'
+        active_time_ended:
+          nullable: true
+          type: integer
+        active_time_started:
+          nullable: true
+          type: integer
         created:
           type: integer
         identifier:
           type: string
+        last_heartbeat:
+          nullable: true
+          type: integer
         last_used:
+          nullable: true
           type: integer
         machine_user:
           nullable: true
@@ -13013,6 +13026,14 @@ components:
       type: object
     TypesRebaseResponse:
       properties:
+        already_ancestor:
+          type: boolean
+        conflict_files:
+          items:
+            type: string
+          type: array
+        dry_run:
+          type: boolean
         dry_run_rules:
           type: boolean
         new_head_branch_sha:
diff --git a/web/src/utils/GitUtils.ts b/web/src/utils/GitUtils.ts
index 1f854d91d..91f2af467 100644
--- a/web/src/utils/GitUtils.ts
+++ b/web/src/utils/GitUtils.ts
@@ -233,7 +233,8 @@ export const PullRequestFilterOption = {
 export enum MergeStrategy {
   MERGE = 'merge',
   SQUASH = 'squash',
-  REBASE = 'rebase'
+  REBASE = 'rebase',
+  FAST_FORWARD = 'fast-forward'
 }
 
 export const CodeIcon = {
diff --git a/web/src/utils/Utils.ts b/web/src/utils/Utils.ts
index d35603a39..a4727c61c 100644
--- a/web/src/utils/Utils.ts
+++ b/web/src/utils/Utils.ts
@@ -385,6 +385,7 @@ export type RulesFormPayload = {
   mergeCommit?: boolean
   squashMerge?: boolean
   rebaseMerge?: boolean
+  fastForwardMerge?: boolean
   autoDelete?: boolean
   blockBranchCreation?: boolean
   blockBranchDeletion?: boolean
diff --git a/web/src/videos/fastForward.mp4 b/web/src/videos/fastForward.mp4
new file mode 100644
index 000000000..31faa2525
Binary files /dev/null and b/web/src/videos/fastForward.mp4 differ