+ core
    + adapt flatpak-manifest.in to updated language-subtag-registry [Stephan Bergmann]
    + adapt to Java 9 (at least on Linux x86-64) (tdf#100501) [Stephan Bergmann]
    + add SearchItem.AlgorithmType2 option (tdf#111818) [Julien Nabet]
    + auto cell color should be transparent (tdf#109184) [Szymon KÅ‚os]
    + avoid crash with specific ttf (tdf#112180) [Caolán McNamara]
    + avoid leaks in FillTreeBox (sfx2) (tdf#112027) [Julien Nabet]
    + boost: Update last known MSVC version to VS2017.3 [David Ostrovsky]
    + branch libreoffice-5-4-2 [Christian Lohmaier]
    + bump product version to 5.4.2.0.0+ [Christian Lohmaier]
    + bump product version to 5.4.2.1 [Christian Lohmaier]
    + CAIRO_FORMAT_A1 vs N1BitLsbPal (tdf#104141, rhbz#1467512, tdf#111073, tdf#111483) [Caolán McNamara]
    + cancel file dialog on terminate (tdf#111760) [Caolán McNamara]
    + check bounds better (ofz#3121) [Caolán McNamara]
    + check bounds of special sprm (ofz#3154) [Caolán McNamara]
    + check m_xAutoStyles like in similar methods (tdf#112123) [Caolán McNamara]
    + classify ocPercentSign as Array capable [Eike Rathke]
    + correctly pick items from AutoFilter selection (tdf#108259, tdf#112258) [Eike Rathke]
    + crash after PPT import when undo is disabled (tdf#109052) [Tamás Zolnai]
    + crash on particular file with office:event-listeners (tdf#112101) [Caolán McNamara]
    + crash on particular odt (tdf#112017) [Caolán McNamara]
    + crash when adding a video to a slide with zero undo steps (tdf#109261) [Tamás Zolnai]
    + crash while saving character background color to DOCX (tdf#112169) [Tamás Zolnai]
    + crash while trying to set pattern fill in Impress (tdf#109863) [Tamás Zolnai]
    + crash with nan with bad ascent (tdf#112408, tdf#107249) [Caolán McNamara]
    + desktop: Win32: prepend "program" dir to $PATH (tdf#109241) [Michael Stahl]
    + direct-leak (ofz#3092) [Caolán McNamara]
    + disable test on Linux x86 that makes plain 'make' fail due to -mpfmath=387 [Stephan Bergmann]
    + do not set anchor flag on starting formula mode in a cell (tdf#97548) [Dennis Francis]
    + DOCX: after import, allow default styles again (tdf#108765) [Justin Luth]
    + docxexport: don't force on ParaKeepTogether (tdf#98700) [Justin Luth]
    + don't re-draw page background when bOnlyTextBackground (tdf#104602) [Justin Luth]
    + EDITING: Native tables visualization not refreshed (tdf#85909, fdo#75622) [Tamás Zolnai]
    + ensure closing dialog is not parent for file dialog (tdf#112063) [Caolán McNamara]
    + ensure per-thread epoxy_handle_external_wglMakeCurrent (tdf#107730) [Caolán McNamara]
    + ensure sufficient space for all sheets in FormulaBuffer... (tdf#111974) [Dennis Francis]
    + external/coinmp: Update config.{guess,sub} [Stephan Bergmann]
    + external/openldap: Update config.{guess,sub} [Stephan Bergmann]
    + fallback to getting view data from best view shell... (tdf#111939) [Dennis Francis]
    + fix a leak with pSalMask (vcl/bitmapex) (tdf#101467) [Julien Nabet]
    + fix alignment of 'For the current document only' checkbox (tdf#111797) [Gabor Kelemen]
    + fix bug in ScTable::LastHiddenColRow (i#109369, i#109385, i#109384, i#109386, i#109373) [Noel Grandin]
    + fix internal name for quotation character style (tdf#95489) [Yousuf Philips]
    + fix leak memory with PaletteManager with SvxColorListBox (tdf#111894) [Julien Nabet]
    + fix memory leak in optaboutconfig (cui) (tdf#112254) [Julien Nabet]
    + follow-up, notify dependents of subtotal formula cells (tdf#93171) [Eike Rathke]
    + function Wizard showing Breeze icons when in Sifr theme (tdf#98315) [Matthias Freund]
    + GeneratePLCF only generated word6 sized missing entries (ofz#3110) [Caolán McNamara]
    + gerrit cherry-pick mismerge left Pop in wrong block [Caolán McNamara]
    + getDocumentStorage is called during initialization (tdf#96703) [Julien Nabet]
    + gtk3: flicker-free opengl transitions [Caolán McNamara]
    + handle trailing ';' specifying empty following subformat (tdf#52510) [Eike Rathke]
    + homogeneous columns are a huge waste of space (tdf#95178) [Adolfo Jayme Barrientos]
    + improve custom properties page (tdf#95960) [Caolán McNamara]
    + include all .desktop files in the Flatpak [Stephan Bergmann]
    + infobar icons on high dpi (tdf#111844) [heiko tietze]
    + libwpd fix (tdf#112269) [Caolán McNamara]
    + limit the width and height of opengl bitmap to... (tdf#108299) [Dennis Francis]
    + limit to min of 1 before conversion from signed int (tdf#112018) [Caolán McNamara]
    + merge table EditEngine language attributes to input line (tdf#108795) [Eike Rathke]
    + more stringent check for ISO date like looking input (tdf#91758) [Eike Rathke]
    + move cursor to changed cell after undo/redo in ScUndoSetCell (tdf#107952) [Dennis Francis]
    + move git source details to solenv/flatpak-manifest.in [Stephan Bergmann]
    + move the SvxBackgroundColorItem<->SvxBrushItem conversion (tdf#110077) [Caolán McNamara]
    + multiple memory leaks in libmacabdrv1 (tdf#111634) [Julien Nabet]
    + multiple memory leaks in libmacabdrv1 (part2) (tdf#111634) [Julien Nabet]
    + multiple memory leaks in libmacabdrv1 (part3) (tdf#111634) [Julien Nabet]
    + notes placeholder text boxes not shown in PPTs (tdf#108926) [Tamás Zolnai]
    + number-columns-repeated has the data type positiveInteger (tdf#112018) [Caolán McNamara]
    + numbering: entry B.1 is exported as 2.1 (tdf#111492) [Samuel Mehrbrodt]
    + odk: document where to download the SDK (tdf#107785) [Michael Stahl]
    + offline help-images helpimg are no longer selectable as iconset (tdf#108406) [Andreas Brandner]
    + onlineupdate: work around GCC7 -Werror=implicit-fallthrough [Michael Stahl]
    + only freopen if we try to use another console (tdf#111908) [Mike Kaganski]
    + oox: fix UAF of std::shared_ptr (tdf#112311) [Michael Stahl]
    + PDF export of editeng text highlight: handle rotated text (tdf#108963) [Miklos Vajna]
    + pdf export of editengine highlight color fails sometimes (tdf#112145) [Caolán McNamara]
    + PPTX: ActiveX checkbox control appear as picture (tdf#111548) [Tamás Zolnai]
    + propagate error from matrix to MIN()/MAX() (tdf#103734) [Eike Rathke]
    + re-add external/harfbuzz/ubsan.patch (tdf#109142) [Stephan Bergmann]
    + regression fix (tdf#110355) [Vitaliy Anderson]
    + related to Crash when close slide style dialog with OK (tdf#109863) [Tamás Zolnai]
    + remove incorrect constraint for Calc function NPER. (tdf#112177) [Winfried Donkers]
    + render progress bar for Ambiance theme properly (tdf#111864) [Caolán McNamara]
    + resizing properties dialog hides widgets (rhbz#1400287) [Caolán McNamara]
    + respect RFC3986 for newlines in ScEncodeURL (tdf#109104) [Julien Nabet]
    + round ascent/descent/extleading on conversion to int (tdf#107249) [Caolán McNamara]
    + RTF export: implement ZOrder of TextFrames / shapes (tdf#88811, tdf#104936) [Miklos Vajna]
    + RTF import: \trwWidthA is an absolute value (tdf#104937) [Miklos Vajna]
    + RTF import: fix HTML automatic spacing in styles (bnc#825305, tdf#107480) [Miklos Vajna]
    + RTF import: handle \tx inside a list level definition (tdf#108943) [Miklos Vajna]
    + rtfimport: fix missing paragraph first line indent (tdf#112208) [Justin Luth]
    + safe fix for wrong final row/col selection in rtl (tdf#106163) [Caolán McNamara]
    + sax: handle errors on last call to XML_Parse() (tdf#112164) [Michael Stahl]
    + set user-events to a lower priority than system redraw (tdf#110737) [Caolán McNamara]
    + skip empty shapes in SVG export (tdf#100492) [Vasily Melenchuk]
    + stoc: deadlock osl::Mutex::getGlobalMutex() vs getImplHelperInitMutex() [Michael Stahl]
    + stop menubar processing Alt+foo if handled by core widget (tdf#110452) [Caolán McNamara]
    + svtools: HTML import: don't put lone surrogates in OUString [Michael Stahl]
    + sw: avoid crashing in layout on this document (tdf#112163) [Michael Stahl]
    + SYLK import: check ;X;Y;C;R col/row validity early (ofz#3362) [Eike Rathke]
    + SYLK import: init nRefCol,nRefRow with start col,row instead of 1,1 [Eike Rathke]
    + the result is different using getFirstSeries (tdf#112006) [Xisco Fauli]
    + unostyle: use default handler for non-page style (tdf#111891) [Justin Luth]
    + update to HarfBuzz 1.4.8 (tdf#109142) [Khaled Hosny]
    + updated core [Christian Lohmaier, Lior Kaplan, Andras Timar]
    + upgrade to language-subtag-registry-2017-08-15 [Eike Rathke]
    + use ChartDataRowSource_COLUMNS as the chart... (tdf#86019) [Dennis Francis]
    + use first page header on first page (tdf#94882) [Luke Deller]
    + vcl: fix bugs in TextEngine with TEXTATTR_PROTECTED (tdf#108722) [Michael Stahl]
    + vcl: fix double-free of ErrorInfo [Michael Stahl]
    + version 5.4.2.1, tag libreoffice-5.4.2.1 [Christian Lohmaier]
    + we need to take the buffered data len into account (tdf#111925) [Caolán McNamara]
    + when pie chart sector is too small do "Outside" placement (tdf#62363) [Dennis Francis]
    + wrong starting offset for JOHAB 0x6D block (ofz#3186) [Caolán McNamara]
    + XHTML export does not honor numbering levels (tdf#111492) [Julien Nabet]
    + xhtml export: Rather use rem than cm for margin [Samuel Mehrbrodt]
    + xhtml filter: Use css class instead of <style> attribute [Samuel Mehrbrodt]
    + xmloff: fix crash on exporting non-loadable external image URL [Michael Stahl]
    + xmloff: inserting index marks into editengine throws (tdf#112122) [Michael Stahl]
    + xmloff: ODF import: self-referential conditional style crash (tdf#111934) [Michael Stahl]
+ dictionaries
    + update Hebrew dictionary as generated by Hspell 1.4 [Lior Kaplan]
+ help
    + version 5.4.2.1, tag libreoffice-5.4.2.1 [Christian Lohmaier]
+ translations
    + update templates for 5.4.2 rc1 [Christian Lohmaier]