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Mozilla Firefox

Software Engineering for Open Source Localization

Articles

Lessons so far

What a co-op term on an ML localization project has taught me.
Keeping suggestions live

Latency budgets and caching for autocomplete that has to feel instant.
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Issue notes

Tiny cursor in the empty editor

Issue note · mozilla/pontoon#4249
Editor dark theme background color

Issue note · mozilla/pontoon#4293
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Autocomplete

N-gram language models

The classic statistical baseline. Predict the next token from the previous n−1.
RNNs (LSTM / GRU)

Recurrent models that carry a hidden state across the sequence.
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© 2026 • Ayush Ranjan

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