[DOCS] RELEASE-NOTES: 1.20.0 (squash) commits

git log --no-merges --oneline 64ed262e1..gitea/release/v1.20 . ':(exclude,glob)docs/**' ':(exclude)CONTRIBUTING.md' ':(exclude)MAINTAINERS' ':(exclude,glob).github/**' ':(exclude)CHANGELOG.md' ':(exclude,glob)options/locale/**' ':(exclude,glob)options/license/**' ':(exclude,glob)snap/**' ':(exclude).drone.yml' ':(exclude)custom/conf/app.example.ini'

9159964ad Avoid opening/closing PRs which are already merged (#25883) (#25903)
9369b3831 Skip unuseful error message in dev mode when watching local filesystem (#25919) (#25927)
6e82d0bb7 Add shutting down notice (#25920) (#25922)
36b9a86bd Fix incorrect milestone count when provide a keyword (#25880) (#25904)
de8127e78 fix incorrect repo url when changed the case of ownername (#25733) (#25881)
de8127e78 fix incorrect repo url when changed the case of ownername (#25733) (#25881)
186f07bbf Make `add line comment` buttons focusable (#25894) (#25896)
45b1f4dd3 Add support for different Maven POM encoding (#25873) (#25890)
026e745b9 Fix incorrect release count (#25879) (#25887)
c334be828 Fix empty project displayed in issue sidebar (#25802) (#25854)
353dcc5ad Fix the error message when the token is incorrect (#25701) (#25836)
abe9c641c Show correct SSL Mode on "install page" (#25818) (#25838)
052e65e63 Fix incorrect oldest sort in project list (#25806) (#25835)
c1a10be07 Fix activity type match in `matchPullRequestEvent` (#25746) (#25796)
2b79d3fd5 For API attachments, use API URL (#25639) (#25814)
b4460cf54 Make "install page" respect environment config (#25648) (#25799)
a1bc2aa05 Avoid amending the Rebase and Fast-forward merge if there is no message template (#25779) (#25809)
d713cf615 Fix WORK_DIR for docker (root) image (#25738) (#25811)
012b804a9 Clarify "text-align" CSS helpers, fix clone button padding (#25763) (#25764)
372b622c2 Revert package access change from #23879 (#25707) (#25785)
06bcdfe77 Remove unused code (#25734) (#25788)
a5a3c8141 Fix notification list bugs (#25781) (#25787)
ea2c9de3c Test if container blob is accessible before mounting (#22759) (#25784)
348a6bf70 Always pass 6-digit hex color to monaco (#25780) (#25782)
91dadeddd Translate untranslated string in issues list (#25759) (#25761)
32eaba1b4 Hide `add file` button for pull mirrors (#25748) (#25751)
917ca5ded Several fixes for mobile UI (#25634) (#25689)
e595dfeec Allow/fix review (approve/reject) of empty PRs (#25690) (#25732)
03cacf971 Check `ctx.Written()` for `GetActionIssue` (#25698) (#25711)
68e0c802f Show correct naming for 1 comment (#25704) (#25712)
09668b2e2 Correct permissions for `.ssh` and `authorized_keys` (#25721) (#25730)
04eea29ec Fix tags header and pretty format numbers (#25624) (#25694)
511be9fe6 Fix position of org follow button (#25688) (#25692)
24e64fe37 Replace `interface{}` with `any` (#25686) (#25687)
4e310133f Prevent duplicate image loading (#25675) (#25684)
491f36d32 Actions list enhancements (#25601) (#25678)
5510ed34f Fix the nil pointer when assigning issues to projects (#25665) (#25677)
39fce5750 Prevent SVG shrinking (#25652) (#25669)
1f9037604 Fix show more for image on diff page (#25672) (#25673)
0af6542a3 Add unit test for repository collaboration (#25640) (#25658)
69bdcf41f Log the real reason when authentication fails (but don't show the user) (#25414) (#25660)
e610b0389 Fix UI misalignment on user setting page (#25629) (#25656)
13ffa287b  Fix bug of branches API with tests(#25578) (#25579)

RELEASE-NOTES.md

@@ -166,6 +166,7 @@ $ git -C forgejo log --oneline --no-merges origin/v1.19/forgejo..origin/v1.20/fo
   - [Issues and pull requests can be pinned](https://codeberg.org/forgejo/forgejo/commit/aaa109466350c531b9238a61115b2877daca57d3) and will show on top of the list of issues (or pull requests) and can be re-arranged by dragging them.
   - [Implement systemd-notify protocol](https://codeberg.org/forgejo/forgejo/commit/7565e5c3de051400a9e3703f707049cbb9054cf3) and allows for using `Type=notify` in service files.
 - **Miscellaneous**
+  - **Breaking:** the `-p` option of `environment-to-ini` is [no longer supported](https://codeberg.org/forgejo/forgejo/commit/fa0b5b14c2faa6a5f76bb2e7bc9241a5e4354189)
   - **Breaking:** the ".png" suffix for [user and organizations is now reserved](https://codeberg.org/forgejo/forgejo/commit/2b91841cd3e1213ff3e4ed4209d6a4be89c2fa79)
   - [Provide more control over the repositories that are indexed](https://codeberg.org/forgejo/forgejo/commit/033d92997fc16baee097d2b25f08e0984e628abd). [Read more about REPO_INDEXER_REPO_TYPES](https://forgejo.org/docs/v1.20/admin/config-cheat-sheet/)
   - **Breaking:** the section `[git.reflog]` is [now obsolete and its keys have been moved](https://codeberg.org/forgejo/forgejo/commit/2f149c5c9db97f20fbbc65e32d1f3133048b11a2) to the following replacements: