Hi everyone,
Here is my status report for June 2025.
During the first week of the month, I attended the web engines hack fest [wehf].
After I came back, I've worked only on the ESR transition.
First, I've finalized the toolchain updates [tor-browser-build!1212] [tor-browser-build!1232].
It took me a while to complete the MR for Android because we might have a reproducibility problem caused by the R8 optimizer [tor-browser-build#41495]. Eventually, I decided to send the MR for review, and to come back to reproducibility problems we might find when building 15.0a1.
Also, I investigated our new APK sizing problems and modified our scripts to build little-t-tor and its dependencies with clang's option `-Oz` [tor-browser-build!1242]. In this way, we saved almost 400kB, which is not bad at all, considering our limit is 100MB.
Then, when 140.0esr was released upstream, I rebased onto it. However, I still haven't opened an MR because we are switching to Firefox's new git history for it, and we needed to assess the effects on our infrastructure first.
Finally, I commented the HTML version of the range-diff between 128 and 140-based Tor Browser, for making the review easier [tor-browser#43852].
Best,
Pier
[tor-browser#43852] Deep review a range-diff between 128.10.0esr-14.5-1 and 140.0a1-15.0-1 (#43852) · Tasks · The Tor Project / Applications / Tor Browser · GitLab
[tor-browser-build#41495] 140 Android is potentially not reproducible (#41495) · Issues · The Tor Project / Applications / tor-browser-build · GitLab
[tor-browser-build!1212] Bug 41448: Desktop toolchain update (!1212) · Merge requests · The Tor Project / Applications / tor-browser-build · GitLab
[tor-browser-build!1232] Bug 41494: Update GeckoView build scripts for ESR140 (!1232) · Merge requests · The Tor Project / Applications / tor-browser-build · GitLab
[tor-browser-build!1242] Bug 41500: Optimize for size on Android. (!1242) · Merge requests · The Tor Project / Applications / tor-browser-build · GitLab
[wehf] https://webengineshackfest.org/
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