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More complete Tar implementation: USTAR, PAX, etc.#1289

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More complete Tar implementation: USTAR, PAX, etc.#1289
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# Conflicts:
#	src/SharpCompress/Archives/Tar/TarArchive.Async.cs
#	src/SharpCompress/Archives/Tar/TarArchive.cs
#	src/SharpCompress/packages.lock.json
# Conflicts:
#	src/SharpCompress/Archives/Tar/TarArchive.Factory.cs
#	tests/SharpCompress.Test/Tar/TarArchiveAsyncTests.cs
@adamhathcock adamhathcock marked this pull request as ready for review May 15, 2026 10:46
Copilot AI review requested due to automatic review settings May 15, 2026 10:46
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Pull request overview

This PR expands SharpCompress’ TAR feature set and coverage by improving header parsing (PAX local/global) and aligning writer behavior across sync/async paths, with accompanying tests and documentation updates.

Changes:

  • Add PAX (x local / g global) extended-header consumption on the TAR read path for selected keys (path, linkpath, size, mtime, uid, gid, mode).
  • Ensure TarWriterOptions.HeaderFormat is honored consistently for file and directory writes in both sync and async writers, with new regression tests for USTAR vs GNU long-name behavior.
  • Align and document seekability requirements for TarArchive.OpenArchive(Stream) and TarArchive.OpenAsyncArchive(Stream), and add coverage for symlink link targets.

Reviewed changes

Copilot reviewed 19 out of 23 changed files in this pull request and generated 4 comments.

Show a summary per file
File Description
tests/SharpCompress.Test/Tar/TarWriterTests.cs Adds negative wrapper-compression tests and header-format (USTAR/GNU) writer regression tests.
tests/SharpCompress.Test/Tar/TarWriterDirectoryTests.cs Adds directory-name length tests for USTAR vs GNU long-link behavior.
tests/SharpCompress.Test/Tar/TarWriterAsyncTests.cs Mirrors writer regression tests for async writer paths.
tests/SharpCompress.Test/Tar/TarReaderTests.cs Adds sync reader coverage for PAX local/global headers and symlink LinkTarget surfacing.
tests/SharpCompress.Test/Tar/TarReaderAsyncTests.cs Adds async reader coverage for PAX local/global headers and symlink LinkTarget surfacing.
tests/SharpCompress.Test/Tar/TarArchiveTests.cs Adds archive API coverage for PAX local/global header interpretation.
tests/SharpCompress.Test/Tar/TarArchiveAsyncTests.cs Adds async archive API coverage for PAX local/global headers and updates non-seekable stream behavior test.
src/SharpCompress/Writers/Tar/TarWriter.cs Ensures directory entries use the configured tar header write format.
src/SharpCompress/Writers/Tar/TarWriter.Async.cs Ensures async file/directory writes use the configured tar header write format.
src/SharpCompress/Common/Tar/TarHeaderFactory.cs Introduces shared global PAX metadata state during header enumeration (sync).
src/SharpCompress/Common/Tar/TarHeaderFactory.Async.cs Introduces shared global PAX metadata state during header enumeration (async).
src/SharpCompress/Common/Tar/Headers/TarHeader.cs Implements PAX parsing/apply pipeline and refactors long-name/link metadata handling.
src/SharpCompress/Common/Tar/Headers/TarHeader.Async.cs Mirrors PAX + long-name/link handling in async header parsing.
src/SharpCompress/Common/Tar/Headers/EntryType.cs Adds LocalExtendedHeader ('x') entry type.
src/SharpCompress/Archives/Tar/TarArchive.cs Simplifies entry loading by relying on improved header parsing (removes prior long-name workaround).
src/SharpCompress/Archives/Tar/TarArchive.Async.cs Simplifies async entry loading similarly to sync path.
SharpCompress.sln Adds TAR documentation markdown files to the solution.
docs/TAR_SPEC.md Updates implementation documentation to reflect PAX support and seekability contract alignment.
docs/TAR_GAP_ANALYSIS.md Updates gap analysis to reflect newly implemented behavior and remaining limitations.

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Comment thread src/SharpCompress/Common/Tar/Headers/TarHeader.cs Outdated
Comment thread src/SharpCompress/Common/Tar/Headers/TarHeader.Async.cs
Comment thread src/SharpCompress/Common/Tar/Headers/TarHeader.Async.cs Outdated
Comment thread src/SharpCompress/Common/Tar/Headers/TarHeader.Async.cs Outdated
@adamhathcock adamhathcock merged commit f8c6142 into master May 15, 2026
7 checks passed
@adamhathcock adamhathcock deleted the adam/tar-pax branch May 15, 2026 13:39
github-actions Bot pushed a commit to Stella-sea/ryujinx-admin that referenced this pull request May 31, 2026
This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [SharpCompress](https://github.com/adamhathcock/sharpcompress) | `0.48.1` → `0.49.1` | ![age](https://developer.mend.io/api/mc/badges/age/nuget/SharpCompress/0.49.1?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/SharpCompress/0.48.1/0.49.1?slim=true) |

---

### Release Notes

<details>
<summary>adamhathcock/sharpcompress (SharpCompress)</summary>

### [`v0.49.1`](https://github.com/adamhathcock/sharpcompress/releases/tag/0.49.1): - More fixes

[Compare Source](adamhathcock/sharpcompress@0.49.0...0.49.1)

#### What's Changed

- Close writable entry streams during async archive disposal by [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;1338](adamhathcock/sharpcompress#1338)
- Restore `WriteToDirectoryAsync` progress callbacks for solid 7z archives by [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;1340](adamhathcock/sharpcompress#1340)
- Try to fix global.json to avoid churn in locks by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1341](adamhathcock/sharpcompress#1341)
- Fix tar archive enumeration after fully reading entry streams by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1342](adamhathcock/sharpcompress#1342)

**Full Changelog**: <adamhathcock/sharpcompress@0.49.0...0.49.1>

### [`v0.49.0`](https://github.com/adamhathcock/sharpcompress/releases/tag/0.49.0): - Write Async fixes and more.

[Compare Source](adamhathcock/sharpcompress@0.48.1...0.49.0)

This should contain a lot of write async fixes and some breaking API changes that fix previous broke `net48` usage

#### What's Changed

- Rename IWriteableArchiveFactory.cs to IWritableArchiveFactory.cs by [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;1244](adamhathcock/sharpcompress#1244)
- Some API clean up from GPT 5.4 by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1243](adamhathcock/sharpcompress#1243)
- Release to master by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1267](adamhathcock/sharpcompress#1267)
- Fix three BLAKE2sp correctness bugs and eliminate allocations in hot path by [@&#8203;coderb](https://github.com/coderb) in [#&#8203;1266](adamhathcock/sharpcompress#1266)
- Corrected async examples. by [@&#8203;dlemstra](https://github.com/dlemstra) in [#&#8203;1277](adamhathcock/sharpcompress#1277)
- Fix setting invalid access time fails extraction by [@&#8203;aromaa](https://github.com/aromaa) in [#&#8203;1279](adamhathcock/sharpcompress#1279)
- Fix incorrect code examples in docs for sync/async usage by [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;1280](adamhathcock/sharpcompress#1280)
- Replace APPNOTE.TXT contents with reference link note by [@&#8203;puk06](https://github.com/puk06) in [#&#8203;1286](adamhathcock/sharpcompress#1286)
- Release to Master by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1274](adamhathcock/sharpcompress#1274)
- update docs for tar gap analysis and XZ usage by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1288](adamhathcock/sharpcompress#1288)
- Add a PooledMemoryStream to avoid allocating by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1275](adamhathcock/sharpcompress#1275)
- fix: Change LeaveStreamOpen default from true to false by [@&#8203;puk06](https://github.com/puk06) in [#&#8203;1293](adamhathcock/sharpcompress#1293)
- Fix usage of ReaderOptions and pre-defined values by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1295](adamhathcock/sharpcompress#1295)
- Enforce seekable, readable and writable on streams by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1297](adamhathcock/sharpcompress#1297)
- Add ArchiveInformation record for consolidated archive detection and capability inspection by [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;1299](adamhathcock/sharpcompress#1299)
- merge release to master by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1314](adamhathcock/sharpcompress#1314)
- Some clean up and test clean up by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1321](adamhathcock/sharpcompress#1321)
- Finish Write Async by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1323](adamhathcock/sharpcompress#1323)
- More complete Tar implementation: USTAR, PAX, etc. by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1289](adamhathcock/sharpcompress#1289)
- Add Polysharp and adjustments that do not break legacy frameworks by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1330](adamhathcock/sharpcompress#1330)
- Fix null `IVolume.FileName` for single-volume file-based archives by [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;1333](adamhathcock/sharpcompress#1333)
- Add skills by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1332](adamhathcock/sharpcompress#1332)
- add AOT smoke and missing tests by [@&#8203;adamhathcock](https://github.com/adamhathcock) in [#&#8203;1334](adamhathcock/sharpcompress#1334)

#### New Contributors

- [@&#8203;dlemstra](https://github.com/dlemstra) made their first contribution in [#&#8203;1277](adamhathcock/sharpcompress#1277)
- [@&#8203;aromaa](https://github.com/aromaa) made their first contribution in [#&#8203;1279](adamhathcock/sharpcompress#1279)
- [@&#8203;puk06](https://github.com/puk06) made their first contribution in [#&#8203;1286](adamhathcock/sharpcompress#1286)

**Full Changelog**: <adamhathcock/sharpcompress@0.48.1...0.49.0>

</details>

---

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🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

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---

This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xNzguMCIsInVwZGF0ZWRJblZlciI6IjQzLjE3OC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbXX0=-->

Reviewed-on: https://git.ryujinx.app/projects/Ryubing/pulls/123
tonycknight pushed a commit to tonycknight/microbroker that referenced this pull request May 31, 2026
Updated [SharpCompress](https://github.com/adamhathcock/sharpcompress)
from 0.48.1 to 0.49.0.

<details>
<summary>Release notes</summary>

_Sourced from [SharpCompress's
releases](https://github.com/adamhathcock/sharpcompress/releases)._

## 0.49.0

This should contain a lot of write async fixes and some breaking API
changes that fix previous broke `net48` usage

## What's Changed
* Rename IWriteableArchiveFactory.cs to IWritableArchiveFactory.cs by
@​Copilot in adamhathcock/sharpcompress#1244
* Some API clean up from GPT 5.4 by @​adamhathcock in
adamhathcock/sharpcompress#1243
* Release to master by @​adamhathcock in
adamhathcock/sharpcompress#1267
* Fix three BLAKE2sp correctness bugs and eliminate allocations in hot
path by @​coderb in
adamhathcock/sharpcompress#1266
* Corrected async examples. by @​dlemstra in
adamhathcock/sharpcompress#1277
* Fix setting invalid access time fails extraction by @​aromaa in
adamhathcock/sharpcompress#1279
* Fix incorrect code examples in docs for sync/async usage by @​Copilot
in adamhathcock/sharpcompress#1280
* Replace APPNOTE.TXT contents with reference link note by @​puk06 in
adamhathcock/sharpcompress#1286
* Release to Master by @​adamhathcock in
adamhathcock/sharpcompress#1274
* update docs for tar gap analysis and XZ usage by @​adamhathcock in
adamhathcock/sharpcompress#1288
* Add a PooledMemoryStream to avoid allocating by @​adamhathcock in
adamhathcock/sharpcompress#1275
* fix: Change LeaveStreamOpen default from true to false by @​puk06 in
adamhathcock/sharpcompress#1293
* Fix usage of ReaderOptions and pre-defined values by @​adamhathcock in
adamhathcock/sharpcompress#1295
* Enforce seekable, readable and writable on streams by @​adamhathcock
in adamhathcock/sharpcompress#1297
* Add ArchiveInformation record for consolidated archive detection and
capability inspection by @​Copilot in
adamhathcock/sharpcompress#1299
* merge release to master by @​adamhathcock in
adamhathcock/sharpcompress#1314
* Some clean up and test clean up by @​adamhathcock in
adamhathcock/sharpcompress#1321
* Finish Write Async by @​adamhathcock in
adamhathcock/sharpcompress#1323
* More complete Tar implementation: USTAR, PAX, etc. by @​adamhathcock
in adamhathcock/sharpcompress#1289
* Add Polysharp and adjustments that do not break legacy frameworks by
@​adamhathcock in
adamhathcock/sharpcompress#1330
* Fix null `IVolume.FileName` for single-volume file-based archives by
@​Copilot in adamhathcock/sharpcompress#1333
* Add skills by @​adamhathcock in
adamhathcock/sharpcompress#1332
* add AOT smoke and missing tests by @​adamhathcock in
adamhathcock/sharpcompress#1334

## New Contributors
* @​dlemstra made their first contribution in
adamhathcock/sharpcompress#1277
* @​aromaa made their first contribution in
adamhathcock/sharpcompress#1279
* @​puk06 made their first contribution in
adamhathcock/sharpcompress#1286

**Full Changelog**:
adamhathcock/sharpcompress@0.48.1...0.49.0

## 0.49.0-beta.140

## What's Changed
* Add Polysharp and adjustments that do not break legacy frameworks by
@​adamhathcock in
adamhathcock/sharpcompress#1330


**Full Changelog**:
adamhathcock/sharpcompress@0.49.0-beta.136...0.49.0-beta.140

## 0.49.0-beta.136

## What's Changed
* Rename IWriteableArchiveFactory.cs to IWritableArchiveFactory.cs by
@​Copilot in adamhathcock/sharpcompress#1244
* Some API clean up from GPT 5.4 by @​adamhathcock in
adamhathcock/sharpcompress#1243
* Release to master by @​adamhathcock in
adamhathcock/sharpcompress#1267
* Fix three BLAKE2sp correctness bugs and eliminate allocations in hot
path by @​coderb in
adamhathcock/sharpcompress#1266
* Corrected async examples. by @​dlemstra in
adamhathcock/sharpcompress#1277
* Fix setting invalid access time fails extraction by @​aromaa in
adamhathcock/sharpcompress#1279
* Fix incorrect code examples in docs for sync/async usage by @​Copilot
in adamhathcock/sharpcompress#1280
* Replace APPNOTE.TXT contents with reference link note by @​puk06 in
adamhathcock/sharpcompress#1286
* Release to Master by @​adamhathcock in
adamhathcock/sharpcompress#1274
* update docs for tar gap analysis and XZ usage by @​adamhathcock in
adamhathcock/sharpcompress#1288
* Add a PooledMemoryStream to avoid allocating by @​adamhathcock in
adamhathcock/sharpcompress#1275
* fix: Change LeaveStreamOpen default from true to false by @​puk06 in
adamhathcock/sharpcompress#1293
* Fix usage of ReaderOptions and pre-defined values by @​adamhathcock in
adamhathcock/sharpcompress#1295
* Enforce seekable, readable and writable on streams by @​adamhathcock
in adamhathcock/sharpcompress#1297
* Add ArchiveInformation record for consolidated archive detection and
capability inspection by @​Copilot in
adamhathcock/sharpcompress#1299
* merge release to master by @​adamhathcock in
adamhathcock/sharpcompress#1314
* Some clean up and test clean up by @​adamhathcock in
adamhathcock/sharpcompress#1321
* Finish Write Async by @​adamhathcock in
adamhathcock/sharpcompress#1323
* More complete Tar implementation: USTAR, PAX, etc. by @​adamhathcock
in adamhathcock/sharpcompress#1289

## New Contributors
* @​dlemstra made their first contribution in
adamhathcock/sharpcompress#1277
* @​aromaa made their first contribution in
adamhathcock/sharpcompress#1279
* @​puk06 made their first contribution in
adamhathcock/sharpcompress#1286

**Full Changelog**:
adamhathcock/sharpcompress@0.48.1...0.49.0-beta1

Commits viewable in [compare
view](adamhathcock/sharpcompress@0.48.1...0.49.0).
</details>

[![Dependabot compatibility
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Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
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tonycknight pushed a commit to tonycknight/discorss that referenced this pull request Jun 1, 2026
Updated [SharpCompress](https://github.com/adamhathcock/sharpcompress)
from 0.48.1 to 0.49.1.

<details>
<summary>Release notes</summary>

_Sourced from [SharpCompress's
releases](https://github.com/adamhathcock/sharpcompress/releases)._

## 0.49.1

## What's Changed
* Close writable entry streams during async archive disposal by
@​Copilot in adamhathcock/sharpcompress#1338
* Restore `WriteToDirectoryAsync` progress callbacks for solid 7z
archives by @​Copilot in
adamhathcock/sharpcompress#1340
* Try to fix global.json to avoid churn in locks by @​adamhathcock in
adamhathcock/sharpcompress#1341
* Fix tar archive enumeration after fully reading entry streams by
@​adamhathcock in
adamhathcock/sharpcompress#1342


**Full Changelog**:
adamhathcock/sharpcompress@0.49.0...0.49.1

## 0.49.0

This should contain a lot of write async fixes and some breaking API
changes that fix previous broke `net48` usage

## What's Changed
* Rename IWriteableArchiveFactory.cs to IWritableArchiveFactory.cs by
@​Copilot in adamhathcock/sharpcompress#1244
* Some API clean up from GPT 5.4 by @​adamhathcock in
adamhathcock/sharpcompress#1243
* Release to master by @​adamhathcock in
adamhathcock/sharpcompress#1267
* Fix three BLAKE2sp correctness bugs and eliminate allocations in hot
path by @​coderb in
adamhathcock/sharpcompress#1266
* Corrected async examples. by @​dlemstra in
adamhathcock/sharpcompress#1277
* Fix setting invalid access time fails extraction by @​aromaa in
adamhathcock/sharpcompress#1279
* Fix incorrect code examples in docs for sync/async usage by @​Copilot
in adamhathcock/sharpcompress#1280
* Replace APPNOTE.TXT contents with reference link note by @​puk06 in
adamhathcock/sharpcompress#1286
* Release to Master by @​adamhathcock in
adamhathcock/sharpcompress#1274
* update docs for tar gap analysis and XZ usage by @​adamhathcock in
adamhathcock/sharpcompress#1288
* Add a PooledMemoryStream to avoid allocating by @​adamhathcock in
adamhathcock/sharpcompress#1275
* fix: Change LeaveStreamOpen default from true to false by @​puk06 in
adamhathcock/sharpcompress#1293
* Fix usage of ReaderOptions and pre-defined values by @​adamhathcock in
adamhathcock/sharpcompress#1295
* Enforce seekable, readable and writable on streams by @​adamhathcock
in adamhathcock/sharpcompress#1297
* Add ArchiveInformation record for consolidated archive detection and
capability inspection by @​Copilot in
adamhathcock/sharpcompress#1299
* merge release to master by @​adamhathcock in
adamhathcock/sharpcompress#1314
* Some clean up and test clean up by @​adamhathcock in
adamhathcock/sharpcompress#1321
* Finish Write Async by @​adamhathcock in
adamhathcock/sharpcompress#1323
* More complete Tar implementation: USTAR, PAX, etc. by @​adamhathcock
in adamhathcock/sharpcompress#1289
* Add Polysharp and adjustments that do not break legacy frameworks by
@​adamhathcock in
adamhathcock/sharpcompress#1330
* Fix null `IVolume.FileName` for single-volume file-based archives by
@​Copilot in adamhathcock/sharpcompress#1333
* Add skills by @​adamhathcock in
adamhathcock/sharpcompress#1332
* add AOT smoke and missing tests by @​adamhathcock in
adamhathcock/sharpcompress#1334

## New Contributors
* @​dlemstra made their first contribution in
adamhathcock/sharpcompress#1277
* @​aromaa made their first contribution in
adamhathcock/sharpcompress#1279
* @​puk06 made their first contribution in
adamhathcock/sharpcompress#1286

**Full Changelog**:
adamhathcock/sharpcompress@0.48.1...0.49.0

## 0.49.0-beta.140

## What's Changed
* Add Polysharp and adjustments that do not break legacy frameworks by
@​adamhathcock in
adamhathcock/sharpcompress#1330


**Full Changelog**:
adamhathcock/sharpcompress@0.49.0-beta.136...0.49.0-beta.140

## 0.49.0-beta.136

## What's Changed
* Rename IWriteableArchiveFactory.cs to IWritableArchiveFactory.cs by
@​Copilot in adamhathcock/sharpcompress#1244
* Some API clean up from GPT 5.4 by @​adamhathcock in
adamhathcock/sharpcompress#1243
* Release to master by @​adamhathcock in
adamhathcock/sharpcompress#1267
* Fix three BLAKE2sp correctness bugs and eliminate allocations in hot
path by @​coderb in
adamhathcock/sharpcompress#1266
* Corrected async examples. by @​dlemstra in
adamhathcock/sharpcompress#1277
* Fix setting invalid access time fails extraction by @​aromaa in
adamhathcock/sharpcompress#1279
* Fix incorrect code examples in docs for sync/async usage by @​Copilot
in adamhathcock/sharpcompress#1280
* Replace APPNOTE.TXT contents with reference link note by @​puk06 in
adamhathcock/sharpcompress#1286
* Release to Master by @​adamhathcock in
adamhathcock/sharpcompress#1274
* update docs for tar gap analysis and XZ usage by @​adamhathcock in
adamhathcock/sharpcompress#1288
* Add a PooledMemoryStream to avoid allocating by @​adamhathcock in
adamhathcock/sharpcompress#1275
* fix: Change LeaveStreamOpen default from true to false by @​puk06 in
adamhathcock/sharpcompress#1293
* Fix usage of ReaderOptions and pre-defined values by @​adamhathcock in
adamhathcock/sharpcompress#1295
* Enforce seekable, readable and writable on streams by @​adamhathcock
in adamhathcock/sharpcompress#1297
* Add ArchiveInformation record for consolidated archive detection and
capability inspection by @​Copilot in
adamhathcock/sharpcompress#1299
* merge release to master by @​adamhathcock in
adamhathcock/sharpcompress#1314
* Some clean up and test clean up by @​adamhathcock in
adamhathcock/sharpcompress#1321
* Finish Write Async by @​adamhathcock in
adamhathcock/sharpcompress#1323
* More complete Tar implementation: USTAR, PAX, etc. by @​adamhathcock
in adamhathcock/sharpcompress#1289

## New Contributors
* @​dlemstra made their first contribution in
adamhathcock/sharpcompress#1277
* @​aromaa made their first contribution in
adamhathcock/sharpcompress#1279
* @​puk06 made their first contribution in
adamhathcock/sharpcompress#1286

**Full Changelog**:
adamhathcock/sharpcompress@0.48.1...0.49.0-beta1

Commits viewable in [compare
view](adamhathcock/sharpcompress@0.48.1...0.49.1).
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This was referenced Jun 1, 2026
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