Created attachment 158555 [details] Testcase file with mixed Cyrillic and Chinese glyphs I file a bug report for Collabora Office here since https://www.collaboraoffice.com/apps/ab-bug redirects here. I use Collabora Office on Android to open an ODT file created/edited with desktop LibreOffice/Apache OpenOffice that contains Latin, Cyrillic and Chinese glyphs, Chinese show up as crossed squares. However, when I open the same file using AndrOpen Office on the same device, Chinese glyphs look fine. Details: Operating system: Android 7.0 Device: Samsung Galaxy S6 Collabora Office version: not available from the program's About menu, should be the last one (installed on 03 March 2020 from Play Market, no updates are suggested on the moment of writing this report). AndrOpen Office version: 4.4.3. Steps to reproduce: Download the attached ODT file (testcasezh.odt) and open with Collabora Office on Android. For the reference, screenshots are attached to show how the file looks in Collabora Office and in AndrOpen Office.
Created attachment 158556 [details] Screenshot from Collabora Office
Created attachment 158557 [details] Screenshot from AndrOpen Office
Confirmed, thanks for the bug report. Currently Chinese fonts aren't included, because it would add a long time to each document load in the current state. A different solution is being worked on, but could take a while to implement.
(In reply to Aron Budea from comment #3) > Confirmed, thanks for the bug report. > Currently Chinese fonts aren't included, because it would add a long time to > each document load in the current state. A different solution is being > worked on, but could take a while to implement. Does the fontconfig update possibly help here? (s. commit [1]) At least for Android Viewer, this made fontconfig cache initialization significantly faster (s. commit message), but I do not know whether that is the same issue that the online-based app/Collabora Office has. (And unfortunately, the online-based app never worked for me when building from core and online's master branches, so I could not test it there.) [1] https://gerrit.libreoffice.org/c/core/+/90095
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Japanese character had same problem, but it was not reproducible. Displayed as Chinese character, not missing glyphs. Collabora Office/Android Vertion: 4.2.5 online git-hash: 3398cb611 core git-hash: 7d37f9a26fe4
Indeed, this was fixed with version 4.2.5. (In reply to Michael Weghorn from comment #4) > Does the fontconfig update possibly help here? (s. commit [1]) I missed this comment, my bad. Yes it did, thank you! https://cgit.freedesktop.org/libreoffice/core/commit/?id=adbc858dd476651ac79300aaae25cf82e848cb69 And related pieces in online, thanks, Kendy! https://cgit.freedesktop.org/libreoffice/online/commit/?id=0a3df76ff4cfbb45017f9264c7b681898df3bb8d https://cgit.freedesktop.org/libreoffice/online/commit/?id=4db78707d01468f8851409eee73327b063e1254e https://cgit.freedesktop.org/libreoffice/online/commit/?id=5d74642537a9ae3b49491c6352f2aa959e422d32
I confirm that the problem is fixed in 4.2.5. Changing to CLOSED (or is it too arrogant of me?) Thank you!