[Clippy] Monthly Activity 2026-04

[github-actions]

🤖 Clippy here — I'm an automated AI assistant for this repository.

Activity for April 2026

Suggested Actions for Maintainer

• Review PR [Clippy] fix: handle corrupt ZIP local file header in image/media parts #234: fix: handle corrupt ZIP local file header in image/media parts — Review
• Review PR [Clippy] feat(excel): add ExcelAssembler for template-based xlsx document assembly #165: feat(excel): add ExcelAssembler for template-based xlsx document assembly — Closes Generate Excel reports based on some/user's template #28 — Review
• Review PR [Clippy] feat: add RegisterCustomHandler extensibility API to DocumentAssembler #163: feat: add RegisterCustomHandler extensibility API to DocumentAssembler — Closes Feature: Support for custom content controls in DocumentAssembler #66 — Review
• Review PR (new): chore(deps): update TUnit 1.37.36 → 1.39.0 — all 1699 tests pass
• Check comment Smarter fix for broken URLs inside packages #47: Clippy explained RelationshipErrorRewriter not in SDK — View
• Check comment DocumentAssembler: Is it possible to to have conditional Table Row? (unrelated) Hidden methods? #67: Clippy explained DocumentAssembler uses XPath 1.0 — View
• Check comment Need some details for using bookmarks using Clippit #103: Clippy explained DocumentAssembler uses <Content> content controls, not bookmarks — View
• Check comment Updating references and table of contents using the DocumentAssembler #77: Clippy commented on "Updating references and table of contents using DocumentAssembler" — View
• Check comment ManageMediaCopy: improvement ideas #54: Clippy commented on "ManageMediaCopy: improvement ideas" — View

Future Work for Clippy

• ExcelAssembler row-repetition (loop over data items): follow-up enhancement after [Clippy] feat(excel): add ExcelAssembler for template-based xlsx document assembly #165 is reviewed

Run History

2026-04-26 13:21 UTC — Run

• 🔧 Created PR: chore(deps): update TUnit 1.37.36 → 1.39.0 (1699 tests pass)

2026-04-25 13:21 UTC — Run

• 🔄 Updated PR [Clippy] fix: handle corrupt ZIP local file header in image/media parts #234: rebased onto master (UriFixer [Clippy] refactor: modernize UriFixer — convenience overload, leaveOpen param, eliminate test duplication #237)
• 🔄 Updated PR [Clippy] feat(excel): add ExcelAssembler for template-based xlsx document assembly #165: rebased onto master (v3.4.1 + [Clippy] chore(deps): update TUnit 1.37.10 → 1.37.36 #235/[Clippy] test(excel): add SmlDataRetriever unit tests (SDR001–SDR025) #236/[Clippy] refactor: modernize UriFixer — convenience overload, leaveOpen param, eliminate test duplication #237)
• 🔄 Updated PR [Clippy] feat: add RegisterCustomHandler extensibility API to DocumentAssembler #163: rebased onto master (v3.4.1 + [Clippy] chore(deps): update TUnit 1.37.10 → 1.37.36 #235/[Clippy] test(excel): add SmlDataRetriever unit tests (SDR001–SDR025) #236/[Clippy] refactor: modernize UriFixer — convenience overload, leaveOpen param, eliminate test duplication #237)

2026-04-24 UTC — Run

• 🔄 Updated PR [Clippy] fix: handle corrupt ZIP local file header in image/media parts #234: rebased onto master (2 new commits from [Clippy] chore(deps): update TUnit 1.37.10 → 1.37.36 #235/[Clippy] test(excel): add SmlDataRetriever unit tests (SDR001–SDR025) #236)
• 🔧 Created PR [Clippy] refactor: modernize UriFixer — convenience overload, leaveOpen param, eliminate test duplication #237 (merged): refactor: modernize UriFixer — convenience overload, leaveOpen param, fix latent TargetMode trailing-space bug, eliminate ~60-line test duplication, add 6 unit tests

2026-04-23 13:23 UTC — Run

• 🔧 Created PR [Clippy] chore(deps): update TUnit 1.37.10 → 1.37.36 #235 (merged): chore(deps): update TUnit 1.37.10 → 1.37.36
• 🧪 Created PR [Clippy] test(excel): add SmlDataRetriever unit tests (SDR001–SDR025) #236 (merged): test(excel): add SmlDataRetriever unit tests (SDR001–SDR025)

2026-04-23 07:31 UTC — Run

• 🔧 Created PR [Clippy] fix: handle corrupt ZIP local file header in image/media parts #234: fix: handle corrupt ZIP local file header in image/media parts — Closes System.IO.InvalidDataException: A local file header is corrupt. #233
• 💬 Commented on System.IO.InvalidDataException: A local file header is corrupt. #233: root cause analysis and fix summary

2026-04-22 13:20 UTC — Run

• ⚡ Implemented perf: MakeValidXml single-pass lazy-StringBuilder + AddIfMissing TryAdd (merged in [Clippy] perf: eliminate redundant allocations in MakeValidXml and AddIfMissing #229)
• 🧪 Added 14 unit tests for Base64.ChunkBase64 and ConvertFromBase64 (merged in [Clippy] perf: eliminate redundant allocations in MakeValidXml and AddIfMissing #229)

2026-04-22 13:23 UTC — Run

• 🔧 Created PR [Clippy] refactor: replace generic Exception with specific exception types #228 (merged): refactor: replace generic Exception with specific exception types
• 📋 Created PR [Clippy] ci: add NuGet publish workflow triggered by version tags #227 (merged): ci: add NuGet publish workflow triggered by version tags

2026-04-21 13:23 UTC — Run

• 🏷️ Labelled PR Clippy workflow: prevent agent step timeout by raising Copilot execution cap #221 with enhancement
• 🔧 Created PR [Clippy] chore(deps): update TUnit 1.37.0 → 1.37.10 #222 (merged): chore(deps): update TUnit 1.37.0 → 1.37.10

2026-04-20 13:23 UTC — Run

• 📝 Created issue [Clippy] ci: add NuGet publish workflow triggered by version tags #220: ci: add NuGet publish workflow triggered by version tags

2026-04-18 13:21 UTC — Run

• 🧪 Created PR [Clippy] test(word): add MS004–MS009 for MarkupSimplifier settings coverage #213 (merged): test(word): add 6 new MarkupSimplifier tests (MS004–MS009)
• 🔄 Updated PRs [Clippy] feat: add RegisterCustomHandler extensibility API to DocumentAssembler #163, [Clippy] feat(excel): add ExcelAssembler for template-based xlsx document assembly #165, fix(html): render DOCX text boxes as inline-block divs in WmlToHtmlConverter #166, [Clippy] feat(html): render floating tables (w:tblpPr) with CSS float in WmlToHtmlConverter #180: merged latest master

2026-04-17 13:22 UTC — Run

• 🚀 Created PR [Clippy] chore: prepare 3.4.0 release — CHANGELOG + TUnit 1.35.2 #212 (merged): chore: prepare 3.4.0 release — CHANGELOG + TUnit 1.35.2

2026-04-16 17:11 UTC — Run

• 🎨 Created PR [Clippy] Switch to modern DocFX theme #211 (merged): docs: switch to modern DocFX theme — Closes Moder theme for docfx #210

2026-04-16 13:23 UTC — Run

• ⚡ Created PR [Clippy] perf: eliminate per-character heap allocations in base64 chunking #209 (merged): perf: eliminate per-character heap allocations in base64 chunking

2026-04-15 UTC — Run

• 🐛 Created PR [Clippy] fix(word): guard out-of-range levelNumber in ListItemTextGetter_ru_RU #208 (merged): fix(word): guard out-of-range levelNumber in ListItemTextGetter_ru_RU
• 🔧 Created PR [Clippy] refactor: simplify LINQ patterns across Excel, Word, and Html modules #207 (merged): refactor: simplify LINQ patterns across Excel, Word, and Html modules

2026-04-15 14:03 UTC — Run

• 🔧 Created PR [Clippy] chore(deps): update TUnit 1.32.0 → 1.33.0 #205 (merged): chore(deps): update TUnit 1.32.0 → 1.33.0
• 🧪 Created PR [Clippy] test(word): add unit tests for fr_FR, sv_SE and zh_CN ListItemTextGetters #206 (merged): test(word): add 128 unit tests for fr_FR, sv_SE, zh_CN ListItemTextGetters

2026-04-14 13:23 UTC — Run

• 🐛 Created PR [Clippy] fix(word): guard cardinalText/ordinalText against out-of-range levelNumber in ListItemTextGetter_tr_TR #201 (merged): fix(word): guard cardinalText/ordinalText out-of-range in ListItemTextGetter_tr_TR

2026-04-13 UTC — Run

• 🔧 Created PR [Clippy] perf(comparer): reduce heap allocations in WmlComparerUtil SHA-1 hashing #199 (merged): perf(comparer): reduce heap allocations in WmlComparerUtil SHA-1 hashing
• 🐛 Created PR [Clippy] fix(word): guard cardinalText/ordinalText against out-of-range levelNumber #200 (merged): fix(word): guard cardinalText/ordinalText against out-of-range levelNumber

2026-04-12 UTC — Run

• 🧪 Created PR [Clippy] test: add unit tests for ListItemTextGetter_Default #198 (merged): test: add unit tests for ListItemTextGetter_Default (84 tests)

2026-04-11 13:20 UTC — Run

• 🔧 Created PR [Clippy] chore(deps): update TUnit 1.30.8 → 1.32.0 #197 (merged): chore(deps): update TUnit 1.30.8 → 1.32.0

2026-04-11 12:41 UTC — Run

• 🔧 Created PR [Clippy] perf: convert Regex instances to source-generated [GeneratedRegex] #196 (merged): perf: convert Regex instances to source-generated [GeneratedRegex]

2026-04-08 UTC — Run

• 🧪 Created PR [Clippy] test(excel): add unit tests for XlsxTables cell address utilities (XT001-XT008) #185 (merged): test(excel): add unit tests for XlsxTables cell address utilities

2026-04-07 UTC — Run

• 🔧 Created PR [Clippy] perf: modernize SHA1/SHA256 hashing and SpreadsheetWriter table count #184 (merged): perf: SHA1.HashData() + Convert.ToHexString() in WmlComparerUtil

2026-04-06 12:55 UTC — Run

• 🔧 Created PR [Clippy] docs: improve README.md with badges, overview, and docs link #183 (merged): docs: improve README.md

2026-04-06 10:42 UTC — Run

• 🔧 Created PR [Clippy] chore(deps): update TUnit from 1.24.31 to 1.28.7 #181 (merged): chore(deps): update TUnit 1.24.31 → 1.28.7

2026-04-05 UTC — Run

• 🔧 Created PR [Clippy] feat(html): render floating tables (w:tblpPr) with CSS float in WmlToHtmlConverter #180 (merged): feat(html): render floating tables (w:tblpPr) with CSS float

2026-04-04 UTC — Run

• 🔧 Created PR [Clippy] perf(pptx): avoid OuterXml→Parse roundtrip in SlidePartData.GetShapeDescriptor #178 (merged): perf(pptx): avoid OuterXml→Parse roundtrip in SlidePartData
• 🔧 Created PR [Clippy] chore(deps): update TUnit from 1.21.6 to 1.24.31 #177 (merged): chore(deps): update TUnit 1.21.6 → 1.24.31

2026-04-03 UTC — Run

• 🔧 Created PR [Clippy] perf(pptx): single-pass dispatch in CopyRelatedPartsForContentParts + lazy SaveAndCleanup #175 (merged): perf(pptx): single-pass dispatch in CopyRelatedPartsForContentParts

2026-04-01 13:16 UTC — Run

• 💬 Commented on Optimize PresentationBuilder memory consumption  #48: detailed analysis of 4 FluentPresentationBuilder memory optimizations

2026-04-01 10:41 UTC — Run

• 🧪 Created PR [Clippy] test(excel): add ParseFormula unit tests (PF001–PF020) #169 (merged): test(excel): add ParseFormula unit tests (PF001–PF020)
• 📝 Closed March 2026 activity issue [Clippy] Monthly Activity 2026-03 #111 and created this April issue

Generated by 🌈 Clippy, see workflow run. Learn more.

To install this agentic workflow, run

gh aw add githubnext/agentics/workflows/repo-assist.md@51c8f6ad4357d2ecc06e47120031b3d75e80227d

Generated by 🌈 Clippy, see workflow run. Learn more.

To install this agentic workflow, run

gh aw add githubnext/agentics/workflows/repo-assist.md@3de4e604a36b5190a1c7dc4719c7341500ba8a95

---

2026-04-27 — Run

• 🔧 Created PR [Clippy] chore(deps): update TUnit 1.39.0 → 1.40.5 #243: Update TUnit 1.39.0 → 1.40.5
• 🔧 Created PR [Clippy] Modernise random/guid usage, fix discarded Guid bug, and remove dead code #244: Modernise random/guid usage, fix discarded Guid bug, remove dead code

Generated by 🌈 Clippy, see workflow run. Learn more.

To install this agentic workflow, run

gh aw add githubnext/agentics/workflows/repo-assist.md@3de4e604a36b5190a1c7dc4719c7341500ba8a95