[2.14][chore] update release notes

[kavilla]

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Description

Updates releases notes. Partially populated with: yarn release_note:generate

And gathered the rest. Cleaned up changelog.

Issues Resolved

related to: #6254

Changelog

• skip

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 67.56%. Comparing base (d920951) to head (4a699c4).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6705      +/-   ##
==========================================
+ Coverage   67.54%   67.56%   +0.02%     
==========================================
  Files        3428     3428              
  Lines       67337    67337              
  Branches    10994    10994              
==========================================
+ Hits        45482    45499      +17     
+ Misses      19182    19167      -15     
+ Partials     2673     2671       -2     

Flag	Coverage Δ
Linux_1	33.04% <ø> (ø)
Linux_2	55.13% <ø> (ø)
Linux_3	45.15% <ø> (-0.02%)	:arrow_down:
Linux_4	34.72% <ø> (?)
Windows_1	33.09% <ø> (+0.02%)	:arrow_up:
Windows_2	55.10% <ø> (ø)
Windows_3	45.17% <ø> (ø)
Windows_4	34.72% <ø> (ø)

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[ruanyl]

@kavilla Does yarn release_note:generate consume all the changelog fragments? what about those changes which haven't been merged to release branch(2.x)?

[ashwin-pc]

@kavilla was this script run on 2.14? the flow should be, run it on 2.14 and the forward port those changes to 2.x and main. This way we only remove the changesets that went in 2.14

[kavilla]

@kavilla was this script run on 2.14? the flow should be, run it on 2.14 and the forward port those changes to 2.x and main. This way we only remove the changesets that went in 2.14

yeah. unfortunately that work didn't get backported. added the backport labels here: https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5718

[kavilla]

@kavilla Does yarn release_note:generate consume all the changelog fragments? what about those changes which haven't been merged to release branch(2.x)?

yeah from my understanding it does. and it depends on the branch it was on. however, since the backports for the release notes stuff still needs to happen it. this was some manual effort so i did my best to verify everything going out to 2.14 is correct